Timstar - International Catalogue 2019-20

Power Supplies APPLIANCES Electrosound Power Supplies Powerlock Power Supply The Spider Similar to the Powerswitch, offering 0-12V, but voltage selection is made using a keyswitch. The key may be removed in any position. Designed to be used by 4 groups simultaneously, providing smoothed, regulated DC voltages of 1.5, 3, 4.5 or 6V DC. which are selected by a rotary switch. Max output current is 1A . Other features include a mains on/off power indicator and an output voltage indicator in the spider’s eyes (if he winks call the teacher). Output is via four pairs of colour coded 4mm terminals. Housed in a rugged ABS case. EL06859 £143.75 ea Powerbase Power Supply This power supply is an alternative to the Irwin Powerbase 32, which has now become unavailable. It has the same electrical specification as the Irwin model, but comes with a case which is manufactured from sturdy, powder coated steel, rather than plastic. Output voltage is continuously variable within the ranges 0-15V AC or 0-20V smoothed DC, at up to 8A . The unit is short circuit protected and comes with a maximum voltage lock. EL06853 £77.44 ea Powerswitch Power Supply EL120900 £206.25 ea A compact power supply offering 2, 4, 6, 8, 10, 12V at currents of up to 5A. Both DC and AC outputs may be used simultaneously up to the rated output. The output is protected by a push button cut-out. The unit is 2A fused on the back panel. Complete with moulded mains lead and plug. Westminster Power Supply Ideal for electromagnetic investigations. The unit will deliver up to 12 A at 1 V AC or DC through colour coded terminal posts. EL06857 £111.19 ea Type £103.69 ea MA18796 ✓ £393.75 pk MA190798 Set of 4 in Gratnells Tray ELECTROSOUND POWER SUPPLY SUMMARY Model Output Voltage range Current (max.) Voltage selector type Voltage display Lockable/ Voltage limiter Safety overload protection Output type On/Off Switch Casing Catalogue code Price The Spider DC only 1.5 - 6V DC 1A Stepped No No No Smoothed & No Plastic, no EL06853 £77.44 regulated handle Powerswitch AC & DC 2 - 12V AC 5A Stepped No No Non- Metal, no EL06857 £111.19 or DC 5A Stepped No Yes Yes smoothed, Yes handle £143.75 Powerlock AC & DC 3 - 12V AC non-regulated Metal, no EL06859 or DC Non- handle Yes smoothed, Yes non-regulated Powerbase AC & DC 0-15V AC, 8A Continuously No Yes Yes Smoothed, Yes Metal, with EL120900 £206.25 0-20V DC variable non-regulated handle Westminster AC & DC 1V AC or DC, 12A None No No Non- Metal, no MA18796 £103.69 power supply fixed No smoothed, Yes handle non-regulated +44 (0) 3333 442 443 [email protected] timstar.com 99

APPLIANCES Power Supplies IPC Power Supplies High Tension (HT) Power Supply Multitap Transformer Housed in a robust metal case with a durable powder coated finish, this HT power supply unit is designed for use with valves, Teltron Outputs tapped at 0 V, 2 V, 3 V, 8 V and 12 V AC, with a 4 mm socket demonstration valves, ionisation chamber dosimeter, DC amplifier, for each tapping. Ideal for circuits where a high current is required at parallel plate capacitor, Millikan oil drop apparatus, etc. and any other low voltage. Housed in a robust metal case with durable powder coated apparatus requiring up to 300V DC at low current. Three outputs are finish. available - two smoothed DC outputs - 0 to 30V and 0 to 300V (at up to 60mA) - and one 6V 2A AC output (for filament heating). The DC • Output: 0 V, 2 V, 3 V, 8 V or 12 V AC outputs are continuously variable and supplied from two pairs of 4mm • Current: 6 A continuous (8 A for up sockets colour-coded red/black. The AC output is available from a pair of 4mm sockets colour-coded white. Each DC output has a separate to 1 hour) control with the DC voltage indicated on the graduated scale. The DC outputs are available simultaneously and are fully floating i.e. neither • Dimensions: 179 x 190 x 85 mm output is internally referenced to earth potential. The maximum current • Weight: 3.3 kg which can be drawn from the DC outputs is limited electronically to 60mA. An illuminated on/off switch is mounted on the rear panel EL170190 £143.75 ea adjacent to a fused appliance inlet. Electrical Supply : 220-240V AC 50-60Hz. Mass : 2.4kg. Dimensions (L x W x H): 179 x 190 x 85mm. Battery Replacement PSU An economic alternative to dry cells. Smoothed, regulated DC output at 1.5 V, 3 V, 4.5 V and 6 V at up to 1 A, allows direct replacement where for AAA, AA, C and D cells. Housed in a robust ABS case, with 4 mm sockets, illuminated power switch and I••••••ECSWM111mm5.aeA5oaiixgnVmion,1hstas30thi:nxeinVx0pdc,p.u8u,84utrr5t.cre.em5gknguVtla&te6d V DC output EL170300 £112.44 ea EL120300 £231.25 ea SPARES & ACCESSORIES £8.13 ea Lo-Volt Power Supply EL91360 EHT Leads - Red 50 cm £8.13 ea EL91362 EHT Leads - Black 50 cm This unit provides voltages 2, 4, 6, 9, 12 or 14V AC or unsmoothed DC at 4A continuously, or up to 5A for periods of 1 hour. Voltages EHT Power Supply are selected by means of a rotating switch on the front panel. In any incidence of overload, including direct short, a current sensing circuit Continuously variable output from 100V to 5kV. Output voltage is breaker mounted on the front panel will operate and disconnect the indicated on a 14mm 2 digit LED display. The EHT circuits are fully output voltage. Outputs are taken from colour coded 4mm sockets floating so that for certain applications the positive or negative terminal mounted on the front panel. An illuminated on/off switch is mounted on may be safely connected to earth. The EHT outputs are taken from the rear panel adjacent to a fused appliance inlet. Housed in a robust 4mm shrouded sockets and provide 100V to 5kV DC up to a maximum metal case with a durable of 3mA or current limited to 60µA. A centre tapped socket is provided powder coated finish. to give ±2.5kV output. An additional pair of 4mm shrouded sockets at Supplied with mains lead 19mm spacing are provided giving 6.3V AC at 2A for filament supplies. and instructions. Weight: There is also a separate earthing terminal. An illuminated on/off switch 2.8kg. Dimensions (L x W x is mounted on the rear panel adjacent to a fused IEC mains inlet. H): 179 x 190 x 85mm. Enclosed in a robust metal case with a durable powder coated finish. Supplied with instructions and detachable mains lead. Weight: 3.6kg. Dimensions (L x W x H): 255 x 220 x 110mm. EL81470 £193.75 ea Varivolt Power Supply A continuously variable 0-12V AC and full wave rectified DC at maximum 6A continuously or 8A for short periods. Resettable thermal cut-out. Outputs from two pairs of colour coded 4mm sockets. Output voltage is indicated by means of a calibrated scale. An illuminated on/ off switch is mounted on the rear panel adjacent to a fused IEC mains inlet. Enclosed in a robust metal case with a durable powder coated finish. Weight: 4.75kg. Dimensions (L x W x H): 255 x 220 x 110mm. EL81465 £206.25 ea EL81475 50 cm £406.25 ea SPARES & ACCESSORIES 50 cm £8.13 ea EL91360 EHT Leads - Red £8.13 ea EL91362 EHT Leads - Black 100 More products and offers available on our website!

Power Supplies APPLIANCES IPC Power Supplies continued Signal Generator & Amplifier Bench Signal Generator Provides sine, square or triangular waveforms. Frequency selection is by a switched range and continuously variable fine adjustment control. Sine and square wave generator. Frequency range 5Hz to 50kHz in The frequency is displayed on an LED display. All connections are via four switched ranges plus a fine control. Accuracy typically ±10%. pairs of labelled 4mm sockets with one of each pair connected to earth. The output amplitude is continuously variable from zero to maximum An illuminated on/off switch is mounted on the rear panel adjacent to 8V peak to peak with maximum output power 1W into 8 ohms. The a fused IEC mains inlet. Enclosed in a robust metal case with a durable output is taken from two 4mm sockets mounted on the front panel. An powder coated finish. illuminated on/off switch is mounted on the rear panel adjacent to a fused IEC mains inlet. Enclosed in a robust metal case with a durable powder coated finish. Dimensions (LxWxH): 179 x 190 x 85mm. SI86185 £331.25 ea Range 0.1 Hz - 100 kHz, 6 decades Accuracy 5% Waveforms Sine, square, & triangular Sine Wave Distortion 1% Square Wave Rise Time 1 us Amplitude 10 V p2p Output power (4 ohm output) 4 W Attenuation (600 ohm output) x1, x0.1, & x0.01, all 5 % Frequency Response 1 Hz - 100 kHz (-3 dB bandwidth) Dimensions 255 x 220 x 110 mm SI86190 £168.75 ea Weight 3.2 kg IPC POWER SUPPLY SUMMARY Model Output Voltage range Current (max.) Voltage selector type Voltage display Lockable/ Voltage limiter Safety overload protection Output type On/Off Switch Casing Catalogue code Price Battery DC only 1,5, 3, 4.5, 6 V 1 A Stepped No No No Smoothed, Yes Metal, no EL170300 £112.44 Replacement Tapped No No regulated handle power supply No AC only Tappings at 0, 8 A (6 A No No Non- No Metal, no SI86190 £168.75 Multitap 2, 3, 8, 12 V continuous) No smoothed, handle Transformer No non-regulated Lo-Volt power AC & DC 2 - 14V AC 5A Stepped No Yes Non- Yes Metal, no EL81470 £193.75 supply or DC smoothed, handle non-regulated Varivolt power AC & DC 0 - 12V AC 8A Continuously No Yes Smoothed, Yes Metal, no EL81465 £206.25 supply & DC variable No non-regulated handle Yes HT power supply AC & DC 0 - 30V DC, DC DC continuously No Smoothed Yes Metal, no EL120300 £231.25 0 - 300V DC, 60mA, variable, AC fixed handle AC 2A 6V AC EHT power AC & DC 0 - 5000V DC, DC 3mA, DC continuously No Smoothed Yes Metal, no EL81475 £406.25 supply 6.3V AC AC 2A variable, AC fixed handle +44 (0) 3333 442 443 [email protected] timstar.com 101

APPLIANCES Power Supplies Frederiksen Power Supplies 0-500 V Stabilised DC Power Supply, 50 mA Power Supply This unit is ideally suited for experiments requiring high voltages up to 500 V, such as electron beam tubes. The high voltage output is limited This is a highly reliable power supply with AC and stabilised DC output to 50 mA. The two DC outputs have a display to monitor the voltage. A with voltages up to 12 V at currents up to 3 A. The outputs have separate AC output is available for filament heaters. All outputs feature electronic overload and short circuit protection, and the entire unit is thermal cut-off protection. Weight: 4.55 kg. Dimensions (L x D x H): protected by a 1 A time delay fuse. The supply is fanless and so is quiet 297 x 225 x 118mm. in operation. Dimensions (W x D x H): 203 x 205 x 117mm. DC Output: •••••DC3-25R5Oi-0pA07pum-mlt0VepA-au5<ixmnt0.:0a01.x1VV. %csotenAptCsinOuouutpsluyt:variable • 0-12 V continuously variable • 3 A max • Ripple and noise 100 mV max. AC Output: • 2, 4, 6, 12 V stepwise adjustable • 3 A max EL150306 £162.50 ea Power Supply 1-12 V AC/DC EL150302 50 cm £531.25 ea SPARES & ACCESSORIES 50 cm £8.13 ea A simple, robust and reliable power supply, ideal for basic electricity EL91360 EHT Leads - Red £8.13 ea experiments. Output voltage is selected by way of a control knob. EL91362 EHT Leads - Black Output is protected by a thermal cut-out. Weight: 2.8 kg. Dimensions (L x W x H): 185 x 225 x 118mm. 0 - 6000 V DC Power Supply •••D•C6161O--AA11u22mmtpVVaauxxiitnn: 1V steps This 6 kV power supply provides a stable DC voltage for a wide range AC Output: of experiments with electron tubes, electrostatics etc. The EHT supply 1V steps is short circuit proof and the current limiting series resistor provides a reliable protection. The accurate built-in voltmeter eliminates the need EL150308 £200.00 ea for an expensive external voltmeter – making experiments simpler. DC Output: • 0-6 kV stabilised, continuously adjustable • 2 mA max. • Ripple and noise <1 % • Display better than 1% + 1 digit • Fully floating output AC Output: • 6.3 V fixed, 3 A max. Power Supply 0-24 V AC/DC This power supply features independently variable AC and DC outputs with their own voltage and current displays. Both outputs feature electronic overload protection. A DC current limiter is operated through a hole in the front using a screw driver, thereby allowing the teacher to set a current limit. •••••••••D•CD0R0C6WD1DOi0--uiiipeAsms22rpuppiA44rgmeltlleeaahpnmVVnayytusa:t::xaDAitno.:l2x12iCCdnm..5%%scnicto(kooeW±±gnnrist22txAeiinDn:CLLuuxSS<oHoODD2uu:u5ss2ltlypy9mu7vvVtaa:xrrpii2aap2bb5lleex 118 mm EL150300 £537.50 ea EL150304 50 cm £543.75 ea SPARES & ACCESSORIES 50 cm £8.13 ea 102 EL91360 EHT Leads - Red £8.13 ea EL91362 EHT Leads - Black More products and offers available on our website!

Power Supplies APPLIANCES Frederiksen Power Supplies continued Frederiksen Student Function Generator A high quality, simple-to-use student signal generator with a range of applications. Three controls: waveform, frequency, and amplitude, control the output. The waveform and frequency are displayed on the built-in LCD. Output is via a pair of 4 mm sockets. It can be used for most experiments involving sound or vibrations that would be carried out in school. ••• Overload protection LCD screen Power supply included SI180100 £318.75 ea Waveforms Sine, square & triangle Frequency 0.05 Hz - 50.00 kHz Amplitude (peak) Amplitude (Vpp) 0 - 7.5 V Amplitude (RMS) 0 - 15 V Maximum current 0 - 5.3 V 1A Signal Generator SI130500 £693.75 ea This has to be the best signal/function generator available for 50 ohm Output Sync Power educational use! Developed in conjunction with physics teachers and Output Output designed specifically for education, this unit provides all the functionality you need for physics teaching. A really useful feature for those less Waveforms Bipolar: Sine, Triangle, Square familiar with using signal generators is that for basic use, you just Positive: Square pulse, triangle pulse, ramp up, ramp operate two buttons: One for frequency and one for amplitude - that’s it! There is, of course, far more sophistication for those who require it. If down you want to change waveform or to utilise the step and sweep modes, the display keeps you updated on the status of the generator. Unique Distortion (sine) <0.1 % below 20 Hz, <1 % otherwise frequency control: The frequency is set by a speed sensitive button. Turn slowly to set the display’s last digit, turn faster and the response Frequency Range 0.001 Hz - 10 MHz 0.001 Hz - 0.001 Hz - accelerates - designed to work intuitively in practical experiments. Drives 10 MHz 100 kHz speakers, vibration generator etc. directly: The built-in 10 W power amplifier effortlessly drives power appliances e.g. vibration generator. Frequency Stability Better than 0.005 % The amplifier can deliver more than 1 amp for all frequencies between 0.001 Hz and 100 kHz. Step mode: In many applications you need Amplitude 0 - 10 V (20 V p2p for 5 V (TTL) 0 - 10 V (20 V to study a physical system at a fundamental frequency and at different bipolar waveforms) p2p for bipolar multiples of that frequency. The special step feature makes this task incredibly easy. Once the fundamental frequency has been determined waveforms) (e.g. of a spring connected to a vibration generator), other harmonics (or overtones) can be demonstrated by simply pressing a button, which Max. Current 200 mA (only briefly) 100 mA 1A changes the frequency to progressive multiples of the fundamental frequency. Sweep mode: The generator can sweep through a frequency Mains Voltage 230 V 50-60 Hz range in order to discover eventual resonances. You decide the frequency range and the speed. You have the choice between a linear Power Consumption 85 W max, 21 W idle sweep (fixed number of Hz per unit time) and a logarithmic sweep (fixed number of octaves per unit time). Advanced Features: The generator Dimensions (W x D x H) 312 x 205 x 117 mm connects to your PC through a standard USB cable and acts as a USB flash drive. Custom defined waveforms (e.g. created by means of a spreadsheet) can be saved to the generator. Sequences of settings can be programmed for automatic execution. FREDERIKSEN POWER SUPPLY SUMMARY Model Output Voltage range Current (max.) Voltage selector type Voltage display Lockable/ Voltage limiter Safety overload protection Output type On/Off Switch Casing Catalogue code Price Power supply 1-12V AC 6A Stepped No No Yes Full wave Yes Plastic, with EL150308 £200.00 1-12 V AC/ AC & DC & DC rectified, integral handle DC, 6A nonâ•‚regulated Power supply 0 to 12V DC DC continuously Yes, Smoothed, Plastic, with 1-12 V AC/ AC & DC / 2, 4, 6 & 3A variable, AC No No electronic nonâ•‚regulated Yes integral handle EL150306 £162.50 DC, 3A 12V AC stepped Power supply AC & DC 0 - 24V AC 10A Continuously Yes, Current Yes, Smoothed & Metal & Plastic £537.50 0-24 V AC/DC & DC variable DC & AC dual limiter electronic regulated Yes with integral EL150300 only handle 0-500 V AC & DC 0 - 500V DC, DC DC continuously Yes No Metal & Plastic stabilized HT 2-7V AC 50mA, variable, AC Yes Smoothed Yes with integral EL150302 £531.25 power supply AC 3A stepped handle 0-6000 V EHT AC & DC 0 - 6000V DC 2mA, DC continuously Yes No Metal & Plastic power supply DC, 6.3V AC AC 3A variable, AC fixed No Smoothed Yes with integral EL150304 £543.75 handle +44 (0) 3333 442 443 [email protected] timstar.com 103

APPLIANCES Power Supplies ● Portable Appliance Testing SATZ Power Supplies A modernised version of the popular SATZ School Power Station, which has SATZ School Power Station undergone rigorous design & testing for use in laboratories. Safe, reliable power supplies, which are lightweight and robust. Features short-circuit protection, overload protection with automatic Portable Appliance Testing reset, and thermal cut-outs Regulated DC with a simple rotating switch to select the voltage, as well as an on/off switch. Output is via colour- coded terminal sockets. Conforms to CE:EN61010-2010 Electrical Testing EL190100 Model Current ✓ £43.69 ea Appliance Checker ‘The Patch’ EL190150 ✓ £58.69 ea ZPS15 1.5 A (PORTABLE APPLIANCE TESTER AND ZPS30 3A CHECKER). Performs electrical safety tests on portable appliances allowing Plug-top Power Supplies compliance with EAWA regulations. The £325.00 ea unit performs earth bond and insulation USB Plug-top Power Supply tests on both Class 1 and Class 2 appliances, extension leads, IEC and kettle This Power Supply is suitable for a wide variety of appliances which are leads etc. The unit is very simple to operate powered by USB. A UK mains plug with a standard USB-A socket on and gives clear, unambiguous pass/fail indications. Complete with test leads, t•••opC5R.oE5VHmVDSa2Ccr.ok12me€.Ad1plDAiaCn(1to0u.t5puWt.) instructions, pass and fail labels, a Tester’s Certificate of Inspection and is fitted with EL160500 £10.88 ea moulded mains plug. EL06836 6 W Plug-top PSUs Uni-T UT527 PAT Safety Tester A range of 6 W DC plug-top power supplies. Supplied with interchangeable pins for UK, EU, US and Australian mains sockets, with Portable battery powered appliance tester full compliance with regulations in each of those countries. suitable for carrying out electrical safety tests on: • 6 W Power Output • 2.1 x 5.5 x 12 mm +ve plug • Class I appliances • 1.8 m cable • Class II appliances • UK, EU, US and Australian Pin Plugs • Testing IEC and Extension leads (including • 90 – 264 V input • Regulated output with low ripple noise the surge protected) and long leads • Mains socket earth continuity, insulation resistance and polarity tests EL190836 ✓ £281.25 ea EL170105 Current Voltage £10.77 ea PAT Testing Labels EL170109 £13.06 ea EL170112 1.2 A 5V £10.81 ea Self adhesive PAT labels on a roll for sticking onto appliances after 0.67 A 9V testing. Printed on Polypropylene, so they don’t tear like paper labels 0.5 A 12 V and treated with a matt varnish to handle the harshest environments. Can easily be written on using a biro or permanent marker. Available as “PASS” or “FAIL”. Dimensions (L x W): 50 x 25mm. SA110230 Type Quantity £31.19 ea SA110235 £18.69 ea PASS 500 FAIL 200 SATZ POWER SUPPLY SUMMARY Model Output Voltage range Current (max.) Voltage selector type Voltage display Lockable/ Voltage limiter Safety overload protection Output type On/Off Switch Casing Catalogue code Price ZPS15 DC only 3 - 12 V 1.5 A Stepped No No Internal Smooth & Yes Plastic, no EL190100 £43.69 ZPS30 Regulated handle DC only 3 - 12 V 3A Stepped No No Internal Smoothed & Yes Plastic, no EL190150 £58.69 regulated handle 104 More products and offers available on our website!

Ammeters, voltmeters School & bench top timers stopwatches, classroom & exam clocks PH Meters SATZ & Timstar and celebrating a electrodes 25 year partnership!! Blood pressure meters & NEW IMPROVED oximeters School Power Supplies 1.5 & 3 amp

APPLIANCES Pumps Vacuum Pumps High Vacuum Pump, Javac CC-31ED Laboratory Vacuum Pump Rotary vane high vacuum pump, oil sealed and ideally suited for use in education. This unit is relatively quiet in use, can be operated for long Where price is a major consideration the Minivac 2 vacuum pump is periods of time, is robust, and is engineered for school use. The large ideal for low duty laboratory applications. This small, light and portable oil capacity of 350 mL provides for long operation between oil changes. two-stage vacuum pump is ideal for clean vacuum applications with An oil level sight glass is incorporated so that the oil can be monitored. short pump-down times. Quiet in operation, it is fitted with a coalescing oil mist filter to eliminate any oil mist which could be expelled from the • Model: Javac CC-31ED pump during operation. Features a 6mm hose tail suction inlet. • Air displacement: 40 L/minute • Ultimate vacuum: 25 micron • Air displacement: 28 L/minute • Dimensions (L x W x H): 330 x 135 x 255 mm • Ultimate vacuum: 35 micron • Weight: 9.8 kg • Dimensions (L x W x H): 347 x 137 x 194 mm • Weight: 5.5 kg • Power : 200 W PU95270 Type £406.25 ea CC-31ED High Vacuum Pump Air Displacement 40 litre/min Pressure Tubing PU105200 £437.50 ea Red Rubber Pressure/Vacuum Tubing ✓ £39.94 ea To BS2775. Heavy Wall. To withstand higher pressures, and prevent collapse under vacuum. Vacuum Pump Oil Size Length Bore Javac V100 vacuum pump oil. TU16900 H3 1 metre 3 mm £2.49 ea TU16905 H5 £5.60 ea TU16910 H6.5 1 metre 5 mm £7.95 ea TU16915 H8 Quantity TU16920 H10 1 metre 6.5 mm ✓ £13.06 ea 4 litre PU12775 1 metre 8 mm £17.44 ea 1 metre 10 mm PRESSURE UNIT CONVERSION TABLE CONVERT TO (MULTIPLY BY) PRESSURE UNIT pascals atmospheres bars Millibars mm inches microns pounds per CONVERSIONS (Pa) (atm) (bar) (mbar) mercury mercury mercury square inch (mmHg) (in.Hg) pascals (Pa) 1 0.00000987 (μHg) (psi) atmospheres (atm) 101325 1 0.00001 0.01 0.0075 0.0002953 7.5006 0.000145 bars (bar) 100000 760000 millibars (mbar) 0.987 1.01325 1013.25 760 29.92 750062 14.696 mm mercury (mm Hg) 100 0.000987 14.504 CONVERT FROM inches mercury (in.Hg) 133.32 0.00132 1 1000 750 29.53 750 0.0145 microns mercury (μHg) 3386.4 1000 0.01934 pounds per square 0.1333224 0.0334 0.001 1 0.750 0.02953 25400 0.491154 inch (psi) 0.00000132 0.00001934 0.00133 1.333 1 0.03937 1 1 0.03386 33.864 25.4 1 51715 0.00000133 0.001333 0.001 0.0000394 6895 0.0681 0.06895 68.95 51.715 2.036 106 More products and offers available on our website!

Pumps APPLIANCES Vacuum/Pressure Pumps Manual Pumps Vacuum Pump/Compressor. Quiet Running, Foot Pump Oil-Free Car foot pump with 120mm barrel and 450mm hose with nylon Diaphragm pump suitable connector and football inflator adapter. Complete with integral pressure for vacuum or pressure gauge marked 0-100 p.s.i. and 0-7kg/cm2 (7 bar). work. Housed in splashproof polycarbonate case. Please note this pump is not suitable for “Bell in a Jar” experiments. 5€L/min flow rate 0.7 bar pressure 4€mm inlet/outlet Conforms to IEC1010 PU12760 Dimensions £618.75 ea 120 x 205 x 140 mm (L x W x D) PU12750 £23.69 ea Vacuum/Pressure Pump Hand Vacuum Pump Designed for general lab applications requiring only a rough vacuum A portable, hand operated pump which will create and hold a vacuum and moderate pressure. The pump is housed in a tough, lightweight, up to approx. 625 mmHg. Made from high impact polystyrene. Nozzle plastic housing with an integral carrying handle and can be run accepts 6 mm bore tubing. Complete with vacuum gauge and release continuously permitting use in applications such as filtering, drying, valve. Pumping rate: 16 cc per stroke. Please note this pump is not aerating and gas sampling. Easy to connect to apparatus via the hose suitable for “Bell in a Jar” experiments. connection on the side of the unit. Not recommended for organic, basic and acidic vapours. Vacuum to 292 mbar (219 Torr/21.3 in. Hg) and pressure to 2.3 bar (33 PSIG). Quiet, oil-free technology. Please note this pump is not suitable for “Bell in a Jar” experiments. PU95286 Type ✓ £231.25 ea Air Flow 11 litre/min Chemical Filtration Pump PU12780 £175.00 ea This robust Chemical Filtration Pump with PTFE diaphragm is a durable Hand Operated Vacuum Pump, Economy chemical resistant vacuum pump which is suitable for the following applications: vacuum filtration; desiccation; aspiration; degassing; The pump can be used to demonstrate the following: other mid-range vacuum applications. It is ideal for both single funnel use and up to 6 holder manifold filtrations and suitable for organic and • Principle of a siphon light acid/base (e.g. acetic acid solutions. The pump can also be used • Filtering using suction to pressurize up to 18 PSIG. Free air flow 31 l/min; Maximum vacuum • Investigation of leaks in piping 200 mbar. Please note this pump is not suitable for “Bell in a Jar” • Indirect transfer of liquid by means of negative pressure experiments. Please note this pump is not suitable for “Bell in a Jar” experiments. A•••••pFSCDVpiualoeliticcsnrtauaaicctubteciiomloanennttorsdfao:rrstryioibnnagsic and acid media Design Features: •••••• PTFE wetted parts Low noise emission Direct drive Continuous operation No oil contamination Low maintenance even in aggressive applications PU150100 £687.50 ea PU150000 £22.44 ea +44 (0) 3333 442 443 [email protected] timstar.com 107

APPLIANCES Water Purification ELGA Deionisers Deioniser CD100 Deioniser, B114 The perfect choice for schools and other laboratories requiring a low Wall mounted deioniser which can be cost, portable supply of small volumes of deionised water. Output 40- connected to any cold water supply. Output 160L (depending on hardness). Maximum flow rate 60L per hour. Resin 20-250L (depending on hardness). Maximum changes colour when cartridge needs changing. Supplied with inlet flow rate 30L per hour. Battery operated colour hose and 1 cartridge. coded resistivity indicator displays treated water quality. Disposable cartridge enables quick and clean exchanges. Supplied with 4 cartridges but without battery. DE05600 Type ✓ £650.00 ea B114 Deioniser £124.94 pk £3.91 ea SPARES & ACCESSORIES DE05605 Replacement cartridges, pack of 4 BA01970 PP3 Batteries Deioniser, Vision 125 DE05615 Type £243.75 ea CD100 Deioniser £150.00 pk Wall mounted deioniser. Output 58-640 L (depending on hardness). Maximum flow rate 60 L per hour. Colour change windows indicate two SPARES & ACCESSORIES £243.75 pk resin exhaustion levels to enable users to monitor capacity status and DE05617 Replacement cartridges, pack of 2 cartridge replacement requirements. Deioniser CD250 DE05625 Type Replacement cartridges, pack of 2 DE05610 Type £337.50 ea Vision 125 Deioniser £150.00 ea SPARES & ACCESSORIES DE05614 Replacement Cartridge PURIFIED WATER FOR USE IN LABORATORIES Purified water for use in school science laboratories is essentially Distilled Water water which has had inorganic impurities removed to varying degrees, depending on the method, producing what is often called • Salts and minerals are removed by boiling tap water in a water-still demineralised water. The most commonly used types of purified water in school laboratories and prep rooms are as follows: and re-condensing the vapour (steam) produced, leaving dissolved minerals/salts behind. Deionised Water • Water stills can be expensive to run (electrically) but produce • Charged ions are removed in a deioniser containing ion-exchange much larger quantities of purified water than deionisers before resins, which consist of small resin beads composed of organic replacement parts may be needed (heating element for stills, resin polymer chains with charged functional groups. These remove cartridges for deionisers). charged anions and cations from water as it passes over them. Reverse Osmosis (RO) Purified Water • Life expectancy of deionising cartridges depends on water hardness, • Removes minerals/salts from water using a semi-permeable purity of the tap water and volume of deionised water produced. In hard water areas deionising cartridges will not last long before the membrane under high water pressure resin becomes exhausted, so this would not be a very cost-effective way to produce purified water. • RO can also be used in conjunction with a deioniser to produce very pure water. An added benefit of using RO as the first stage of the process is that deioniser cartridges (resins) last much longer, due to most of the impurities having been removed before reaching the deioniser - the resin therefore becomes exhausted less quickly 108 More products and offers available on our website!

Water Purification APPLIANCES Water Stills Merit Water Still, ‘Bibby’ D4000 Distinction Water Still, ‘Bibby’ An economically priced all-glass water still, producing 4 litre per hour single distillate, with condenser, boiler, 3kW sheathed heater, safety A compact all glass still, which can be wall or bench mounted. Produces thermostat and screw thread connections. Includes acid addition port up to 4 L per hour of single distilled water. Consisting of a horizontal and drain cock system for descaling the boiler. Bench or wall mounted. boiler with a 3 kW heating element and a double coil condenser which 220/240V. Dimensions (W x D x H): 470 x 150 x 440 mm. cools the distillate to around 30 °C. The boiler can be drained via a stopclock and cleaned without dismantling. Automatic safety devices are fitted to prevent overheating. Supplied with a level control device which turns the heater off when the reservoir is full. Requires a minimum flow of 1 L per minute. 220/240 V. Dimensions (W x D x H): 540 x 160 x 410 mm. WA17601 £1,743.75 ea WA17605 ✓ £1,081.25 £368.75 ea SPARES & ACCESSORIES SPARES & ACCESSORIES £218.75 ea WA17608 Boiler W4000/B £281.25 Type WA17609 Heating element 3 kW with safety £443.75 £368.75 WA17602 Boiler D4000/B thermostat A6/6 WA17604 Heater D240H WA17603 Condenser WC48/M2 Aquatron 4000 Water Still This water still produces ready-to-use cold, distilled water. The high quality borosilicate glassware coupled with silica sheathed heaters gives pyrogen- free distillate of the highest purity from virtually any raw water supply. The boiler feed is pre-heated to increase efficiency. The unique condenser design ensures that the droplets of distilled water remain in contact with the cooling coil for the longest possible time ensuring maximum energy transfer. All-glass construction allows rapid descaling using strong mineral acids. A built- in “clean” function and integral acid addition funnel make the cleaning operation simple and safe with no need to dismantle any of the glassware. A large bore stopcock with PTFE key is fitted for easy draining of chemicals after cleaning. A flow sensing device prevents overheating, and allows the unit to run on water supplies with a pressure as low as 3 psi (20 kPa). There is an overtemperature thermostat mounted in the boiling chamber as an additional fail-safe. The acrylic safety screen and the cabinet lid are removable giving easy access to the glassware components. Screw threads are incorporated on all water connections so hoses can be fitted and removed easily and safely without risk of breakage. The control is a simple and effective system which can be fitted to virtually any type of reservoir vessel. It will turn the still off when the reservoir is full, and restart it when the level in the reservoir drops, making it fully automatic. • 4 L/hour output • Highly efficient • Fully automatic • Built-in “clean” function • Wall mounting bracket included Please note: These water stills should WA78000 £3,118.75 ea be direct wired to the mains power supply via a fused spur as they operate timstar.com 109 at about 13 Amps. It is not recommended that they are wired to a 3-pin plug. +44 (0) 3333 442 443 [email protected]

APPLIANCES Mains Accessories ● Fuses Adaptors Mains Leads Mains Adapter IEC Mains Leads (Kettle Lead) Fused. Moulded UK mains plug to IEC plug. EL06508 Type £6.89 ea 3-Way Extension Leads EL18517 Type Length Current £6.91 ea EL170519 £5.85 ea Extension Lead C13 plug 1.8 m 5A C5 plug 1.5 m 2.5 A White 4-gang socket with a 13 A fused fitted plug of 3-core cable. EL06515 Type Current £9.91 ea Mains Plugs 4 Gang 13 A Plugs BS 1363. Fused. White plastic body. Surge Protector Extension Lead A 4 gang extension with 2 m lead. EL06500 Type Current £1.35 ea Ideal for use with PCs and other 3 Pin 13 A sophisticated electronic equipment. This extension lead will protect Insulated Wire your equipment from the surges experienced via the national grid Cable, PVC Insulated 3-Core Cable or as a result of power cuts and the subsequent reinstatement of power. 10 m lengths. For mains use to BS 6500. EL81350 Type £17.44 ea 4-Gang (fused) Extension Reel Three-core insulated mains cable and a double socket outlet and safety cut-out. Neat holder collects and realigns flex. (Length 6 M) EL06520 Type Length Current £11.65 ea EL06751 Current £6.85 ea 2 Gang 6M 5A EL06752 ✓ £8.25 ea EL06753 3A 6A £11.60 ea 10 A Fuses Quick Blow Fuses Slow Blow Fuses Fuses, Quick-Blow, Glass Fuses, Slow-Blow (Time-Delay) 20 x 5 mm, 250 V AC. Supplied in packs of 10. 20 x 5 mm. 250 V AC. Supplied in packs of 10. EL06686 Length Current £3.74 pk EL06687 £3.74 pk EL06688 20 x 5 mm 100 mA £3.74 pk EL06689 20 x 5 mm 250 mA £2.01 pk EL06691 20 x 5 mm 500 mA £2.01 pk EL06692 20 x 5 mm 1A £2.04 pk 20 x 5 mm 2A 20 x 5 mm 5A Fuses, Mains, Ceramic EL18520 Length Current £2.49 pk EL18521 £2.49 pk 6.3 x 25.4 mm. 240 V AC. To BS 1362. EL18522 20 x 5 mm 100 mA £2.49 pk Supplied in packs of 10. EL18523 20 x 5 mm 250 mA £2.49 pk EL18524 20 x 5 mm 500 mA £2.49 pk EL06680 Current £3.18 pk EL18525 20 x 5 mm 1A £2.49 pk EL06681 £3.18 pk 20 x 5 mm 2A EL06683 3A £3.23 pk 20 x 5 mm 3.15 A EL18518 5A £3.18 pk 13 A 2A 110 More products and offers available on our website!

111 BATTERIES Zinc Chloride Batteries 112 Button Cells 115 Alkaline Batteries 113 Coin Cells 116 Lithium Batteries 113 Chargers & Testers 116 Rechargeable Batteries 113 Cell Holders 118

BATTERIES Zinc Chloride Batteries Zinc Chloride Batteries RECYCLING BATTERIES These low cost batteries have a 2 year shelf life and are suitable for low drain applications. Please consider recycling your old batteries when finished with or no longer required. Many D C BA E batteries contain chemicals that are harmful to the environment when not dealt with correctly. BA01961 Type Voltage Quantity £0.90 pk The discarding of batteries in refuse bins means BA01954 £0.90 pk they will end up in landfill sites, causing pollution. BA01960 A AAA 1.5 V 2 £1.24 pk Many shops and supermarkets, as well as council BA01950 B AA 1.5 V 2 £1.81 pk recycling points and waste disposal sites, have a BA01925 CC 1.5 V 2 £4.94 ea battery collection point. BA01930 DD 1.5 V 2 £1.09 ea BA01945 6V 1 £7.04 ea All battery types sold by Timstar can be recycled (both PJ996 9V 1 rechargeable and non-rechargeable as well as button cells), as E PP3 9V 1 can battery packs from electronic and electrical equipment. It doesn’t matter if the batteries are full, completely discharged or PP9 part used. For further information go to: Zinc Chloride Batteries, Bulk Packs All batteries are non returnable Bulk battery packs, offering savings over purchasing smaller quantities. These low cost batteries have a 2 year shelf life and are suitable for low drain applications. BA110632 Type Quantity £41.19 pk BA110634 £11.04 pk BA110636 AAA 200 £16.19 pk BA110638 AA 40 £19.94 pk BA110640 C 24 £73.69 pk D 20 PP3 100 CELL OR BATTERY? A cell (also called electrolytic cell or voltaic cell) is a device which has two electrodes in an electrolyte, producing electricity by electrochemical reaction. The output is a smooth direct current/voltage (dc). A battery consists of two or more electrolytic cells which are connected together to function as a single unit to give a higher dc voltage or current output (higher current when connected in parallel, higher voltage when connected in series). NON-RECHARGEABLE BATTERIES These are single-use only. Also known as primary cells or Leclanché cells, with a gel type electrolyte. Mostly used in devices which have a low current requirement although alkaline types can be used for both low current drain & high drain devices. Voltage is typically 1.5V from a single cell. Voltage falls steadily during use. TYPES Zinc-Carbon (ZnC) – These are usually the cheapest but have the shortest life during use. Zinc-Chloride (ZnCl) – Similar to ZnC but with a slightly longer life. Alkaline – These have the longest life and can also be used for high drain applications (e.g. cameras). Silver oxide button cells – These give a steady voltage discharge over a longer period before it drops off, with a longer operating life than the alkaline equivalents. Alkaline button cells – The voltage drops below the nominal quicker than with Silver oxide cells. They are cheaper but have a shorter life during use. Lithium coin cells – These have a high energy capacity to mass ratio and produce a higher voltage per cell – typically 3V. RECHARGEABLE BATTERIES Also known as secondary cells or accumulators. Voltage remains fairly constant during use until nearly exhausted, when it falls rapidly. Voltage is typically 1.2V from a single cell - due to the chemistry involved this is the limiting factor. TYPES Nickel Cadmium (NiCd) – These are an older type, now replaced by NiMH types. They tend to suffer from ‘memory effect’. Nickel Metal Hydride (NiMH) – The universally used type of rechargeable cells & batteries for general use. Memory effect is not really a problem. NOTE: Both NiCd and NiMH types self-discharge during storage due to the nature of their chemical and physical properties so it is always worth recharging again before use if stored or unused even for short periods. ‘ReCyko’ – This is a brand name of a newer type of NiMH rechargeable cells & batteries, which arrive fully charged and will not discharge as readily as normal NiMH types. They should retain up to 85% of their charge when stored for a year – far more than standard NiMH cells & batteries. Lithium-ion – These have a high energy capacity to mass ratio and no memory effect. Often used in laptops, digital cameras, camcorders and other portable devices. They do not readily self-discharge and give a higher voltage per cell – typically 3.6V. Lead-acid – These are ‘wet cells’ but more recently ‘gel cells’ where the electrolyte is either liquid or gel. Usually used for vehicle batteries and alarms and are able to deliver a high current, although they are usually larger and heavier than other types of battery, for the same voltage rating. AMP HOURS Rechargeable batteries usually have the capacity specified in milli-Amp hours (mAh) or Amp hours (Ah). This is the amount of current the battery should be able to supply in one hour. For example a battery rated at 2300mAh should be able to supply 2300mA for one hour. Of course if the current drain of the device being powered is lower or higher, the battery life (discharge time) will be longer or shorter. 112 More products and offers available on our website!

Alkaline ● Lithium ● Rechargeable Batteries BATTERIES Alkaline Batteries Duracell Industrial Alkaline Batteries These batteries have a 7 year shelf life and are suitable for high drain Professional batteries that delivery long-lasting power across a range rate applications (although lithium cells may work better in some of applications, capable of operating in temperatures between -20 °C applications). They also have a better low temperature performance and 54 °C. They will perform reliably even after years of storage, with a than Zinc cells. shelf life of 7 years. D C BA E D C EB A BA01984 Type Voltage Quantity £2.25 pk Type Voltage Quantity BA01983 £2.21 pk BA01985 A AAA 1.5 V 2 £4.58 pk A AAA 1.5 V 10 BA01975 B AA 1.5 V 2 £5.25 pk B AA 1.5 V 10 BA110626 CC 1.5 V 2 £2.41 pk CC 1.5 V 10 BA01970 DD 1.5 V 2 £3.91 ea DD 1.5 V 10 BA01987 1.5 V 2 £1.50 ea E PP3 9V 10 BA190632 N (LR1) 9V 1 £8.54 ea BA110630 E PP3 12 V 1 £1.21 ea 4.5 V 23A (A23) 6V 1✓ 312A (3LR12) 476A 1 Alkaline Batteries, Bulk Packs BA100380 £10.34 pk BA100382 £10.34 pk These batteries have a 7 year shelf life and are suitable for high drain BA100384 £21.19 pk rate applications (although lithium cells may work better in some BA100386 £24.31 pk applications). They also have a better low temperature performance BA100389 £33.06 pk than Zinc cells. BA110642 Type Quantity £22.44 pk Industrial by Duracell BA110644 £24.94 pk is the new name for BA110646 AAA 40 £49.94 pk their Procell range. BA110648 AA 40 £42.44 pk BA110650 C 24 £30.56 pk D 20 PP3 10 Lithium Batteries Lithium Batteries A B C Lithium batteries offer up to 7 times longer lasting power than ordinary alkaline batteries and have a 10-year shelf life due to the low self-discharge characteristics. • High current & pulse capacity • Wide operating temperatures • Flat discharge platform, allowing them to work to depletion without fading • 10 year shelf life • Mercury, Lead and Cadmium free Type Voltage Quantity BA130915 £5.35 pk BA130925 A AA 1.5 V 2 £3.54 ea BA130930 B CR123A 3V 1 £9.71 ea C PP3 9V 1 Rechargeable Batteries GP ReCyko Rechargeable A B Smart Energy Rechargeable Batteries Batteries C D Rechargeable batteries suitable for low NiMH rechargeable batteries ideal for capacity devices which need power everyday use in most applications. These that lasts, reducing the need to replace batteries are best suited to recharging in the Recyko Charger but can also be •batteries frequently. charged in standard NiMH chargers. Supplied ready-charged for • Supplied ready-charged for • immediate use • immediate use Retain 80 % of their charge after Retains 85% of their charge after a • 2 years’ storage Up to 300 recharge cycles • year’s storage Up to 1000 recharge cycles Type Capacity Voltage Quantity BA100410 A AAA 850 mAh 1.2 V 4 £14.94 pk BA100414 £16.19 pk BA100416 BC 2600 mAh 1.2 V 2 £18.06 pk Type Quantity BA100418 £11.55 ea BA150702 AA 4 CD 2600 mAh 1.2 V 2 £7.11 pk D PP3 155 mAh 8.4 V +44 (0) 3333 442 443 [email protected] timstar.com 113

BATTERIES A23 NOT SURE WHAT BAA2T3TERY TYPE YOU REQUICRE? Simply place the battery yoAuAnAeed over the shaded battery outlines below. This will help you quickly identify your requirements for your next order. AAA AA 312A AA 312A CR2025 A23 D AAA COIN CELLS CR2032 CRA1A620 BUTTON CELLS SR60/ LR6P0P3 CR2016 SR66 SR41/ LR41 SR69 CRC2025 SR54/ LR54 SR55 CR2032 SR44/ LR44 D BUTTON CELLS LR43 SR60/ LR60 SR66 SR41/ LR41 SR69 PP3 PP3 C COIN CELLS PJ996 C CR1620 PP9 312A CR2016 PP9 PP9 312AD D PP9 CR2025 A23 COIN AAA AA PJ996 CR1 PP3 CR2032 114 PJ996 PP9 PJ996 312A A23C BUTTON CELLSC D CR2 AAA CR2 AA SR60/ D LR60 PP3 SR66 SR41/ LR41 SR69 More products and offers available on our website! SR54/

C CR1620 CR2016 CR2025 CR2032 PP9 Button Cells BATTERIES NOT SURE WHAT SIZE YOU REQUIRE? BUTTON CELLS Simply place the buCttoRn2c0e1ll6over the shadeCdRo2u0tli2n5e below, helpCinRg2032 SR60/ D you quickly identify your requirements for your next order. LR60 BUTTON CELL CROSS REPFPE9RENCE TABLE SR66 BUTTON CELLS (ALKALINE) CrossBRUefeTrTenOceN CELLS SR41/ LRT4im1star code Type Voltage Size (mm) LR41 1.5V CR72.90x 23.65 CR2032GP192; V36A; 192; AG3; G3A BA110618 LR43 1.5V 11.6 x 4.2 GP86A; V12GA; AG1S2R; G6120A/ SR69 BA01989 LR60GPA76; V13GA; A76; AG13 BA110620 LR44 1.5V 11.6 x 5.4 PP9LR54 1.5V 11.6 x 3.05 GP189; V10GA; 189; G10A; AG10; LR1130 SR54/ BA110622 1.5V 6.8 x 2.15 LR54 BA110624 LR60 SR66GP164; LR620; AG1; G1A; L621 Cross ReferenScRe 41/ BUTTON CELLS (SILVER OXIDE) Type Voltage Size (mm) SR41 1.55V 7.9 x 3.6 SRB41UW;TSRT4O1SWN; GCP3E84L; LGSP392; S736E; D38L4R; D43912; V384; V392; 384; 392 BA01993 SR44 BA01988 SR54 CR20321.55V SR44W; SR44SW; GP303; GP357; S1154E; D303; D357; V303; V357; 303; 357 BA01991 SR55 BA120205 SR60 1.55V SR60/SR1130W; SR1130SW; GP389; GP390; SE1131E; D389; D390; V389; V390; 389; 390 BA01990 11.6 x 5.4 SR69 SR55LR60SR1120SW; GP391; D391; V391; 391 11.6 x 3.05 SR621SW; GP364; S621E; D364; V364; 364 PJ9961.55V 11.6 x 2.10 1.55V 6.8 x 2.15 SR66 1.55V 6.8 x 2.6 SR66SR626SW; SR628SW; GP377; V377; AG4 SR44/ BA110614 SR69 1.55V 9.5 x 2.1 BA110616 SR920SW; SR921S;RG5P3471/; V371; AG6 BUTTON CELLS SR41/ LR54 LR44 LR41 J996 SR60/ SR69 SR55 LR43 LR60 SR54/ SR44/ SR66 LR54 LR44 SR41/ LR41 SR69 SR55 ButtLonR4C3ells, Alkaline Button Cells, Silver Oxide SR44/ For watches, calculators etc. For watches, calculatorSsRet5c.4/ LR44 LR54 SR55 LR43 SR44/ LR44 LR43 BA01993 Type Voltage £1.24 ea BA110618 Type Voltage Quantity £6.76 pk BA01988 £2.63 ea BA01989 £0.64 ea BA01991 SR41 1.55 V £2.49 ea BA110620 LR41 1.5 V 10 £7.14 pk BA110616 SR44 1.55 V £1.24 ea BA110622 LR43 1.5 V 1 £6.14 pk BA120205 SR54 1.55 V £5.09 ea BA110624 LR44 1.5 V 10 £1.88 pk BA01990 SR69 1.55 V £0.63 ea LR54 1.5 V 10 BA110614 SR55 1.55 V £0.63 ea LR60 1.5 V 10 SR60 1.55 V SR66 1.55 V All batteries are non returnable +44 (0) 3333 442 443 [email protected] timstar.com 115

BATTERIES Coin CellsC●RC1h6a20rgers & Testers COIN CELLS CR2016 NOT SURE WHAT SIZE31Y2OA U REQUIRE? Simply place the coin cell over the shaded outline below, helping you quickly identify your requirements for your next ordCeRr. 1620 COIN CELL CROSS REFERENCE TABLE COIN CELLS (LITHIUM) COIN CELLS Type 312AVoltage Size (mm) Cross Reference GPCR1220; ECR1220; CR/BR1220; DL1220 CR1220 3.0V 12 x 2.0 BA110608 CR1620 CR2016 CR2025DL1620; CR/BR1620; ECR1620 BA110610 CR1620 3.0V 16 x 2.0 GPCR2016; CR/BR2016; ECR2016; DL2016 BA01995 GPCR2025; ECR2025; DL2025 BA01996 CR2016 3.0V 20 x 1.6 GPCR2032; CR/BR2032; ECR2032; DL2032 BA01997 GP2430; DL2430; ECR2430; BR2430 BA110612 CR2025 3.0V 20 x 2.5 CR2032 3.0V 20 x 3.2 CR2430 3.0V 24 x 3.0 COIN CELLS 312A CR1620 CR2016 CR2025 CR2032 PP9 Coin Cells, LithiuCmR2M0a1ng6anese CR2025 BUTTON CELLS A CR2032 Type SR60Vo/ltage LR630V PP9 BA110608 A CR1220 £0.78 ea BA01997 CR2032 3V £0.63 ea BA110610 CR1620 £0.96 ea BA01995 CR2016 SR6336VV £1.45 ea BA01996 CR2025 £0.90 ea BA110612 CR2430 3V £1.44 ea BUTTON CELLS SR413 V/ CR2025 LR41 CR2032 SR60/ LR60 SR6A9ll batteries are non returnable PCPh9argers & Testers SR66 SR54/ Infapower C001 Plug-In Ni-BMUHTTCOhaNrgCeErLLS SR41/ LR54 CR2032A simple plug-in charger for charging AAA, AA, and 9 V NiMH RLeRC4yk1o Battery Charger SR60/batteries. An LED indicator shows when the batteries are charging, and The Powerbank battery charger, complete with 4 AA EkoPower rechargeable batteries. SR69 SR55the charger must be turned off at the PJ996• 4x 1300 mAh AA cells included SR66• Short circuit protection • Reverse polarity protection mains when chaLrgRin6g 0is complete. SLRR5544••••••/€A(CSCCHamhhhÂf€aaaxebÂrrr€Wegggoreeev)Lesss1Er4421nDxx3iosgÂAA€rhxinAAÂ4t€6dAc18Aihc3Â6A€aam00SrtLoegm00RriÂÂR€c€n,mmAÂh€4g24AAaA74rhAh45g/Âiii€rgnnnegc94hinhahoropguurerorassgbrleessbatteries BUTTON CELLS SR41/ LR41 SR60/ SR69 SR55 LR60 SR66 LR43 SR41/ SR54/ SR44/ LR41 LR54 LR44 SR69 SR55 LR43 BA180200 SR54/ SR44/ £11.35 ea BA130900 £26.81 ea LR54 LR44 116 SR55 More products and offers available on our website!

Chargers & Testers BATTERIES Battery Tester, Professional This professional type battery tester, made by Ansmann, gives a true indication of the capacity of a whole range of commonly used battery types. Not only does it give a voltage reading but also indicates the remaining battery capacity as a percentage relative to full capacity (100%). Most simpler battery testers will only indicate the voltage of a battery without a load connected (i.e. not powering a circuit), which can often be misleading as once a load is connected the voltage can drop very quickly if the battery capacity is low - even though the voltage reading may have been fine. The Ansmann professional tester eliminates this possibility, giving a reliable indication of the actual capacity of the battery being tested. The tester can be used to test: Alkaline, Lithium photo, Lithium button, Zinc-Air, NiCd, NiMH battery types including all commonly used 1.5 V alkaline cells (AAA, AA, C, D), 9 V PP3, 1.5 V button cells, 3 V Lithium coin cells, 3 V Lithium photo batteries, 6 V Lithium photo batteries, 12 V alkaline (A23), 1.44 V Zinc-Air and 1.2 V NiCd and NiMH rechargeable batteries (AAA, AA, C, D). Simply place the battery onto the tester and check the reading, or connect the probe to one end of the battery cell then check the reading (depending on type being tested). The LCD indicates Voltage along with battery capacity in 10% steps and includes a self-test button to test the internal battery capacity. Includes 9 V PP3 battery, test probe, instructions and two year warranty. Compact Battery Tester Test the condition of your batteries using this low-cost, versatile and compact battery tester. The tester uses the power of the battery you are •testing to power itself, so does not require batteries. Suitable for checking the state of Zinc chloride, Alkaline and • Rechargeable batteries Will test AAA, AA, C, D, 9V PP3 and N batteries BA120210 £44.94 ea Battery Checker Handy pocket-sized tester for quick confirmation of battery condition. Suitable for all 1.5V cylindrical batteries as well as button cells and PP3 9V batteries. BA130910 £5.26 ea Draper Battery, Bulb & Fuse Tester Multi-purpose tester for dry cell 1.5V batteries (AAA, AA, C, D and button-type), 9V batteries (PP3/6LR61), household and automotive fuses, bulbs (with bayonet fitting and push/screw type torch light bulbs). Readings show up on clear scale. There is also an audible continuity tester via test probes supplied. Runs off 1 x 9V PP3/6LR61 battery (supplied). Dimensions: 70 x 145 mm. BA180905 £25.56 ea BA110606 £4.01 ea +44 (0) 3333 442 443 [email protected] timstar.com 117

BATTERIES Cell Holders Battery Holders Tapped Holds 4 x D (R20) batteries with outputs at 1.5, 3, 4.5 and 6V. Batteries and leads not supplied. Each output has a 4mm socket. BA02060 £21.19 ea Battery Holders AA Size Battery Holders C Size Packs of 5. Packs of 5. BA02030 Type £2.03 pk BA02040 Type £2.44 pk BA02031 £1.56 pk BA02041 £4.29 pk BA02032 1 x AA Cell with leads £1.84 pk 1 x C Cell solder tag terminals BA42032 1 x AA Cell snap terminals £2.14 pk 2 x C Cell snap terminals 2 x AA Cell snap terminals 2 x AA Cell with leads Battery Snaps Battery Holders D Size PP3 snaps with leads. Pack of 10. Packs of 5. BA02049 £1.51 pk BA02045 Type £3.04 pk BA02046 £4.71 pk 118 BA02047 1 x D Cell solder tag terminals £5.93 pk 2 x D Cell snap terminals 4 x D Cell solder tag terminals More products and offers available on our website!

119 BIOLOGY Microslide System 120 Enzymes163 Prepared Slides Biological Models 121 Microbiology166 Biological Specimens Dissecting Equipment 124 Plant Biology 171 Biotechnology, Electrophoresis & PCR 133 Animal Biology 173 136 Human Body 174 141 Cross Infection 183

BIOLOGY Microslide System Top quality specimens are photographed under Biosets optimum conditions, magnified, labelled and turned into strips of colour transparencies in sets of related Microslides pictures. The notes are clearly and precisely written with all the important words highlighted. The viewers Microslides are sets of 8 related 35mm images, as photographed are tough, child-proof magnifiers. They can also be through a microscope, and designed to be viewed through a Microslide used as simple low-power microscopes for examining Viewer (Bioviewer – MS88800). Arrows and callouts help the students soil samples, pollen, parts of flowers, small insects, etc. locate important features being studied, accompanied by a detailed text folder designed to stimulate, inform and question the students about • Superb Quality photographs the topic. Each text folder has a handy pocket to store the Microslides. Supplied in packs of 10. • Every student looks at the same image • No searching or focusing problems • No breakages • Students can work at their own rate Bioviewers Microslide Viewer (Bioviewer) BioViewers are tough styrene instruments, almost unbreakable and made for years of wear in classroom conditions. They do not need any special treatment or care, they can even be washed. No lamp is needed; the white reflector stage provides sufficient light for a bright image. They can be used in any room at any time or even outdoors. With BioViewers you can stop worrying about expensive apparatus in inexperienced hands. MS88800 £22.44 ea Type £124.94 pk MS80142 Leaf of the Flowering Plant £124.94 pk MS80016 Human Blood £124.94 pk MS80024 Digestive System £118.69 pk MS80036 Human Meiosis £124.94 pk MS80046 Chromosomes and Genes in Action £118.69 pk MS80048 Parasites and other causes of disease £124.94 pk MS80110 Cell Structure £137.50 pk MS80120 The Virus £118.69 pk MS80170 Ultra-Structure of Animal Cells £124.94 pk MS80200 Green Plants £124.94 pk MS160015 Helpful Bacteria £124.94 pk MS160025 Body Defences Against Infection £143.75 pk MS80044 Drug Abuse Under Microscope £137.50 pk MS160045 Immunity £122.44 pk MS160065 Human Diseases £118.69 pk MS88874 Five Kingdoms of Life £118.69 pk MS160080 Animal Tissue Set 1 - Epithelium & Cartilage £118.69 pk MS160085 Animal Tissue Set 2 - Muscle, Bone, Connective £122.44 pk MS80132 Plant Mitosis £137.50 pk MS80146 Photosynthesis £118.69 pk MS160090 The Reflex Arc £124.94 pk MS80028 The Respiratory System ...low maintenance OUR EXPERT SAYS... product that will never let you down. Much under-rated, the Bioviewer is robust and can be used in the field or classroom environment. 120 More products and offers available on our website!

Prepared Slides BIOLOGY Prepared Slide Sets K EY FOR SLIDE SECTIONS Slide Set, Mitosis & Abbreviations which may be used to denote the type of thin Meiosis section include: Set comprises: Astacus testis v.s., TS Transverse Section Locust testis v.s., Locust testis squash, i.e. perpendicular to longitudinal axis Locust embryo squash, Allium root-tip l.s., Lilium anthers t.s. early prophase, VS Vertical Section Lilium anthers t.s. late prophase, Lilium anthers t.s. metaphase, Lilium CS Cross Section anthers t.s. late first division, Lilium anthers t.s. second division. LS Longitudinal Section i.e. along length/axis PM95214 VLS Vertical Longitudinal Section Slide Set, Plant Structure £94.94 set HLS Horizontal Longitudinal Section Set comprises: Ranunculus t.s. HS Horizontal Section mature root, Zea mays t.s. root, Allium I.s. root tip for mitosis, E Entire Cucurbita t.s. and I.s. stem, Tilia annual ringed, Zea t.s.& I.s. stem, WM Whole Mount Buxus lower epidermis, Ranunculus I.s. flower, Capsella I.s. ovule, £102.44 set Slide Set, Histology Set 1 £168.75 set Triticum germinating seed, Stigma £162.50 set with pollen tube, Pollen grains, £168.75 set Set comprises: Pseudostratified ciliated Ligustrum t.s. leaf, Vicia young root columnar epithelium of trachea, Simple hairs, Lilium t.s. mature anthers columnar epithelium, Squamous pollen, Ranunculus t.s. stem, epithelium, Adipose tissue, Compact Helianthus t.s. stem old secondary bone, Striated muscle (teased), Nerve cells thickening, Zea t.s. leaf. isolated, Spinal cord, Aorta artery and PM95218 vein, Human blood smear, Liver, Pancreas, stomach, Ileum, Duodenum, Mammal Slide Set, Animals scalp, Smooth muscle, Kidney, Ovary, Rat testis, Lung, Injected small intestine, Set of slides comprising: Hydra w.m., Effector nerve ending, Cardiac muscle. Hydra I.s. ecto/endoderm, Planarian w.m., Fasciola w.m., Taenia proglottid, PM95230 Meiosis locust testis squash, Amphioxus t.s. pharyngeal region, Trichinella Slide Set Histology Set 2 encysted larva in muscle, Nereis w.m. parapodium, Blood smear, Nerve Set comprises: Areolar tissue, Hyaline cartilage, smear, Porifera Grantia, Obelia, white fibro-cartilage, Compact bone I.s., Periplaneta head with mouthparts, Striated muscle t.s., Cerebrum, Pituitary v.l.s., Drosophila wild type w.m., Earthworm Liver injected, Kidney l.s., Lung l.s. triple stain, t.s. Frog skin, Mites w.m., Spinal cord, Lymph node, Adrenal gland, Thyroid gland, Mammalian skin with hair, Embryo v.l.s. Peripheral nerve, Heart entire I.s., Colon, Trachea, Mammal plantar skin, Ureter, Sperm PM95252 smear, Oviduct, Penis, Olfactory epithelium, Cochlea, Tooth. Slide Set, Human Biology PM95232 £193.75 set Set providing a range of prepared slides suitable for use in Biology and Slide Set, Histology Set 3 Mammal Biology courses. Includes teaching notes. Comprises: Human Slide set comprises: Ciliated epithelium, Stratified squamous epithelium, blood smear, Phagocytosis in lung, Transitional epithelium, Cuboidal epithelium, White fibrous tendon, Artery and vein, Trachea t.s., Lung t.s. Yellow elastic ligament, Osteogenesis, Developing foetal phalanges, thin section, Joint l.s., Bone t.s., Striated Red bone marrow, Cerebellum, Medulla oblongata, Spleen, Thymus muscle teased, Smooth muscle, Tongue gland, Tongue, Salivary gland, Cardiac stomach, Fundic stomach, v.s., Oesophagus t.s., Stomach t.s., Pyloric stomach, Recto anal junction, Vagina, Mammary gland, Small intestine, Colon t.s., Plantar skin Placenta, Developing tooth, Joint articulation, Appendix. v.s. sweat glands, Scalp hair insertion sebaceous glands, Eye v.s., Nerve cells PM95236 £150.00 set from spinal cord, Myelinated nerve fibres, Spinal cord t.s., Ovary, Testis, Slide Set, Biological Science Kidney v.s. triple stain, Kidney l.s. Set of slides that fulfills the requirements of most GCSE Biology courses. PM95226 Comprises one each of: Striated muscle, Human blood smear, Small intestine t.s. injected, Saccharomyces budding, Zea stem t.s. and l.s., +44 (0) 3333 442 443 Allium I.s. root tip for mitosis, Triticum I.s. seed, Nerve cells isolated, Stomach v.s., Squamous epithelium cheek cells, Entire kidney I.s., Mixed bacteria, Allium leaf w.m. epidermis with stomata, Germinating pollen I.s. stigma, Ligustrum (Privet) t.s. leaf, Pacinian corpuscle receptor cells, Nettle stinging cells, Mixed pollen, Cucurbita stem t.s. and I.s., Adipose tissue, Artery and vein, Lung, Skin. PM95256 £143.75 set [email protected] timstar.com 121

BIOLOGY C D Prepared Slides AB EF G H IJ K L MN Prepared Slides, Animals Epithelial Tissue Arthropoda ✓ £6.54 ea PM86350 H Squamous epithelium, human mouth ✓ £2.93 ea £6.44 ea PM86355 scrapings (buccal smear) £5.15 ea PM86200 A Daphnia or related genus (water flea), ‘E’ £8.92 ea PM86360 I Pseudostratified ciliated columnar £5.53 ea PM86210 Insect trachea PM99440 £5.30 ea PM86220 Locust testis squash PM99445 £5.78 ea epithelium, TS trachea or bronchus Stratified squamous epithelium, TS Cnidaria (Coelenterates) oesophagus Cuboidal epithelium, kidney tubules, section PM86055 Hydra, ‘E’ extended & stained £7.77 ea £14.94 ea Ciliated epithelium, TS oviduct, Platyhelminthes (Flatworms) ✓ £13.69 ea Muscular Tissue PM86100 Fasciola hepatica (liver fluke), ‘E’ PM86115 B Taenia pisiformis, scolex ‘E’ PM86450 J Striated muscle, LS for striations,nuclei & ✓ £6.19 ea PM86460 £2.79 ea Bone £7.49 ea PM86470 endomysium etc. £7.94 ea PM99460 Striated muscle, TS showing muscle spindles £5.30 ea PM86420 C Compact (hard) bone, TS £5.50 ea PM99465 K Cardiac muscle, LS for striations Mammal £8.09 ea cardiac muscle £2.93 ea Non-striated (smooth) muscle, intestinal wall £2.79 ea Mammal cardiac muscle £8.90 ea Cartilage ✓ £7.93 ea Nervous Tissue £7.91 ea PM86400 D Hyaline cartilage, costal rib section or TS £3.36 ea PM86500 L Spinal cord, TS £5.30 ea trachea, £3.20 ea PM86520 M Nerve cells £3.20 ea PM86530 £6.44 ea £7.19 ea PM99480 Mammal cerebellum, section ✓ £6.23 ea £6.20 ea PM99485 Peripheral nerve, TS for general structure £6.23 ea Circulatory System PM99490 Peripheral nerve, TS myelin sheath, £9.36 ea £6.19 ea Effector nerve endings, intercostal muscle PM86300 E Human blood smear, unstained ✓ £7.90 ea PM86550 Artery and vein, section PM86565 Mammal vein, TS stained for elastic fibres £7.06 ea Respiratory System PM86575 Liver, injected, section £8.90 ea PM99390 Entire heart, LS small mammal, showing £5.50 ea PM86660 Trachea, TS H & E ✓ £6.23 ea PM99395 chambers & valves £2.79 ea PM86665 Mammal trachea TS P.A.S. & haematoxylin £8.65 ea PM99400 Human blood, Geimsa stain fornuclear £6.19 ea PM86670 Lung, TS £6.68 ea material in white cells £2.79 ea PM86675 Lung - elastin £7.90 ea Human blood smear, stained for red cells £5.51 ea PM99500 Bronchus, TS £4.72 ea PM99505 Mammal lung £6.90 ea Connective Tissue £7.91 ea PM160100 Gills of bony fish, TS £3.38 ea PM86380 Areolar connective tissue stained for ✓ PM86385 collagen & elastic fibre Adipose tissue, section showing empty fat Sense Organs cells £11.41 ea PM99540 Eye, entire VS Cytology & Cells ✓ Skin PM86325 F Human chromosomes,normal female PM86645 Mammal plantar skin, VS cornified ✓ £8.09 ea PM86330 Mitochondria, in small intestine, liver or epidermis with sweat glands £6.44 ea PM99560 kidney Mammal skin, general body surface, elastic fibres & collagen fibres Digestive System PM86710 Stomach, stained to show mucous cells, Urogenitary System PM86720 parietal cells & chief cells PM86725 Mammal ileum, for paneth cells, TS PM86750 PM86765 Kidney, VS thin section, £7.77 ea PM86755 Colon, TS large intestine PM86770 N Kidney, LS entire organnear median plane £3.20 ea PM99420 PM86775 £7.04 ea PM99425 G Pancreas, for Islets of Langerhans & ✓ PM86780 Testis, rat, TS spermatogenesis £13.69 ea exocrine acini PM86790 Mammal testis TS £3.20 ea Duodenum, TS Brunner’s glands PM86795 Mammal spermatozoa smear £7.00 ea Ovary, TS ✓ Small intestine, LS general structure Liver of pig, VS showing lobules & Glisson’s capsule Endocrine System PM86625 Mammal thyroid, section 122 More products and offers available on our website!

Prepared Slides BIOLOGY A B C D E F GH I J KLM Prepared Slides, Microorganisms Angiospermae - Dicot Leaves Algae PM87280 H Erica (heather), TS xerophytic leaf £5.73 ea PM87290 £2.74 ea PM87020 Spirogyra, vegetative filament PM87285 Ligustrum (privet), TS leaf ✓ £6.19 ea PM87030 A Spirogyra, scalariform conjugation & PM87295 £2.74 ea £8.90 ea PM87305 Nymphaea (water lily), TS floating leaf £6.20 ea zygospores £6.29 ea PM87310 £5.50 ea PM99215 Helianthus (sunflower), TS leaf £6.68 ea £3.68 ea PM99220 £5.50 ea ✓ £7.44 ea Buxus, lower epidermis ‘E’ showing £14.13 ea £5.50 ea £3.51 ea stomata £2.74 ea £4.72 ea Prunus lauro cerasus (laurel), TS leaf £6.19 ea £7.49 ea £4.72 ea Bacteria £6.19 ea I Fagus (beech), sun & shade leaf sections £5.78 ea £4.72 ea £6.24 ea Nerium (oleander), TS leaf sunken stomata £2.74 ea £7.49 ea £6.19 ea PM86900 Bacillus, coccus & spirillum Angiospermae - Dicot Roots £4.72 ea PM86905 Gram +ve and -ve cocci, Gram stain £6.34 ea PM86910 Gram +ve and -ve bacilli, Gram stain ✓ PM87150 Helianthus (sunflower), TS young root £5.50 ea PM86915 B Escherichia coli, Gram stain PM99230 £7.77 ea PM86920 Bacillus subtilis, Gram stain PM87165 J Ranunculus (buttercup), TS mature root ✓ PM86930 Mycobacterium tuberculosis, in sputum, PM99235 £5.50 ea PM86935 Ziehl-neelsen stain with metaxylem £5.78 ea PM99000 Rhizobium leguminosarium TS root Vicia, root tip for mitosis £5.15 ea PM99010 &nodule Ranunculus, TS young root with protoxylem PM99015 Mixed bacteria, Gram stain £8.90 ea Salmonella typhi, Gram stain Angiospermae - Dicot Stems £2.93 ea Staphylococcus aureus, Gram stain £2.95 ea Protozoa PM87200 Cucurbita (cucumber), TS stem for sieve ✓ £5.56 ea PM99240 tubes PM86000 C Amoeba proteus ✓ £7.21 ea PM87205 Helianthus (sunflower), TS stem,young £6.31 ea PM86005 Euglena viridis ✓ £6.31 ea PM87210 Cucurbita, LS stem for sieve tubes £6.19 ea PM86010 ✓ £7.04 ea PM87220 Ranunculus (buttercup), TS stem £6.23 ea PM86020 D Paramecium caudatum £7.00 ea PM87230 Helianthus, TS older stem £9.48 ea Mixed protozoa PM99245 K Helianthus, TS stem, old secondary £8.92 ea £6.19 ea thickening £8.07 ea £5.50 ea Helianthus, TS & LS stem £7.82 ea £6.19 ea £8.90 ea Prepared Slides, Fungi £6.19 ea Angiospermae - Monocot Leaves Fungi £4.84 ea PM87300 Zea mays (maize), TS leaf £5.50 ea PM99265 Allium leaf epidermis ‘E’ with stomata PM87050 Mucor ‘E’ with sporangia £6.90 ea PM87320 L Ammophila, TS xerophyte ✓ PM87055 E Mucor ‘E’ with zygospores £7.77 ea PM87065 £7.77 ea Angiospermae - Monocot Roots PM99085 Saccharomyces cerevisiae (brewer’s yeast) budding PM87135 Allium (onion), root tip squash F Penicillium PM99270 PM160312 Allium (onion), LS root tip showing mitosis ✓ Prepared Slides, Plants Allium (onion), root tip showing all mitosis stages Coniferophyta (Conifers) Angiospermae - Monocot Stems ✓ PM99150 Pinus, ‘E’ stem showing xylem tubes PM87215 Zea (maize), TS stem PM99155 G Pinus, TS leaf Angiospermae - Comparative Slides Angiospermae - Anther & Pollen Development PM87175 Monocot and dicot root TS PM87250 Monocot & dicot stem TS PM87350 M Lilium anthers, TS mature pollen ✓ PM87330 Monocot and dicot leaf TS PM87360 ✓ PM99280 Mixed pollen, wind & insect borne, PM99285 differently stained, ‘E’ PM99290 Germinating pollen, stigma PM99300 PM99305 Lilium regale anthers, TS early prophase PM99310 first meiotic division Lilium regale anthers, TS late prophase first division Lilium regale anthers, TS late first division Lilium regale anthers, TS second division & tetrads of pollen grains Germinating pollen +44 (0) 3333 442 443 [email protected] timstar.com 123

BIOLOGY Biological Models Amino Acid Kits Protein Models Amino Acid Starter Kit Beta Globin Folding Kit Explore the primary, secondary and tertiary structure of proteins Proteins become real in your students’ hands with this as they fold 3 with the captivating models and tools in this dynamic kit. Students Mini-Toober ß-Globin fragments and discover the primary, secondary learn the chemical properties of the 20 amino acid side-chains with and tertiary structure in this model. Maps guide your students in folding dynamic, accurate, side-chain models featuring embedded magnets the Mini-Toobers into ß-Globin’s 3-D shape. This Kit is the next step in a durable plastic. Side-chains feature dual colouring schemes - a in helping your students understand proteins, after engaging in the coloured band at the base of each side-chain indicates chemical Amino Acid Starter Kit© activities. The Mini-Toober ß-Globin Folding properties, while embedded coloured balls in the model show atomic Kit© includes Mini-Toobers, folding map guides, amino acid side- structure. Understanding protein structure begins with this unique chains, haeme group, iron atom, oxygen atoms, and an assortment of combination of structure and chemical properties of the amino acid parts to mark and connect the fragments. The Folding Kit can be used side-chains. Through the kit’s engaging hands-on activities, students successfully by 6 to 9 students working in 3 teams. Available as a kit gain a basic knowledge of protein folding. Then they discover the for self-construction, or a ready-made, pre-folded model. importance of secondary structure with an additional folding activity. Each kit includes: 1 magnetic chemical properties circle, 1 amino acid side-chains list, 22 amino acids, 1 4-foot Mini-Toober (a flexible foam modelling rod with a soft wire core), 15 metal clips and 6 hydrogen bond connectors, a CD with teacher notes, student hand-outs and interactive Jmol visualisation (an open-source Java viewer for chemical structures in 3D). The 3 group kit contains 3x each of the above. Type £168.75 kit MO140105 Kit Quantity £67.44 kit DNA Models MO110150 1 £181.25 kit MO110155 3 Mini DNA® Molecular Model Kit Modelling Mini-Toobers Comprising abstract shaped colour coded parts to represent the nitrogenous bases, pentagonal sugar and pyramidal phosphate parts These versatile modelling Toobers provide hands-on learning required to make the Double Helix model of DNA. The model can be experiences in biology and chemistry. Students can model DNA or displayed on its stand or untwisted into either a flat or ladder form. create protein structures and explore basic protein-folding principles. The kits are designed so that only complimentary bases can be joined Toobers are flexible foam rods which have a soft wire core that allows together. Scale 10mm = 2 Angstroms. A choice of 2 kits are available, them to hold their shape well and they can be simply straightened out either as an 12 layer or 22 layer. Each kit comes with stand and full afterwards and re-used. Length: 4 feet (120cm) long. Push pins not instructions. included. See also ‘Amino Acid Starter Kit’. Also useful for teaching: • How hydrophilic/hydrophobic side-chains influence a protein’s structure • How structure is a critical factor in many proteins’ function MO110900 £10.88 ea MO55860 Type £26.19 kit SPARES & ACCESSORIES £4.36 Pk MO55865 £45.84 kit ST190754 Push Pins DNA 12 Layer Kit DNA 22 Layer Kit 124 More products and offers available on our website!

Biological Models BIOLOGY DNA Models continued DNA Starter Kit Twist! Untwist! Replicate! Transcribe! Now students can do it ALL with theDynamic DNA Kit! Whether making Students will immediately become engaged with this interactive foam health care decisions for themselves and their families model of double-stranded DNA and single-stranded RNA. The DNA or preparing for careers in medicine, research or drug Starter Kit© is a schematic model that transforms from the familiar development, today’s students need to understand ladder shape to the double helix with a twist. Students can explore the DNA. Research shows that while students know DNA structure of colour-coded DNA bases showing purines and pyrimidines contains genetic information, they have trouble which connect to a continuous sugar-phosphate backbone. Then they understanding how that genetic information is revealed can delve into replication and transcription. Using individual nucleotide and used. triphosphates, they can synthesize a new strand of DNA - one base at a time - showing the semi-conservative replication of DNA. Finally Dynamic DNA Kit they can synthesize mRNA - one base at a time - to show the process of transcription. Each kit includes: 51 bases (12 red adenine, 12 The kits contain the following: 2 Base Pairs 6 A-T and 6 G-C base yellow thymine, 12 blue cytosine, 12 green guanine, 3 white uracil), 4 pairs; 5’ hydrogen and 3’ oxygen parts; oxygen atoms to model RNA; continuous grey backbones, 24 grey sugar-phosphates, 12 lavender removable carbons for uracil; ATP, TTP, GTP and CTP models; display sugar-phosphates and 48 orange phosphates. stand; teacher resources and lessons 6 Base Pairs 3 A-T and 3 G-C base pairs, 5’ hydrogen and 3’ oxygen parts, oxygen atoms to model RNA; removable carbons for uracil; ATP, TTP, GTP and CTP models; teacher resources and lessons 12 Base Pairs Includes 6 Dynamic DNA 12 base pair sets; 5’ hydrogen and 3’ oxygen parts; oxygen atoms to model RNA; removable carbons for uracil; ATP, TTP, GTP and CTP models; 6 display stands; teacher resources and lessons Type £37.44 kit MO140115 1 group set £67.44 kit MO140125 2 group set £21.81 pk MO140130 Phosphate expansion pack Type ✓ £243.75 kit Demo DNA Nucleotides MO190100 2 Base Pairs The sky is the limit to what you can teach using these new large-scale, DNA - RNA Model colour-coded foam nucleotides. Begin by teaching the complementary A-T and C-G base pairs and the antiparallel nature of double-stranded The model shows DNA and transcription of RNA. Height approx DNA. Move on to the flow of genetic information as you teach the basic 500mm. Complete with stand, instructions and model description. processes of semiconservative DNA replication and mRNA transcription. You can then stretch students by introducing PCR (polymerase chain reaction) and the Sanger DNA sequencing method -- and much more. 80 Large-Scale Nucleotides: • 20 Red Adenosine • 20 Yellow Thymine • 20 Blue Cytosine • 20 Green Guanine 80 Adhesive-Backed Round Magnets MO30640 £19.94 ea MO150006 £47.44 set +44 (0) 3333 442 443 [email protected] timstar.com 125

BIOLOGY Biological Models Cell Models Meiosis Model, Unmounted Mitosis Model, Unmounted Robust models illustrating the process of meosis cell division. The chromosomes are painted to allow easy identification. Eight individual models illustrating the process of mitotic cell division for a general animal cell. Chromosomes and centromeres are brightly painted to easily identify and explain each step of cell division. Each model is approx. 10 x 15 cm MO190000 ✓ £87.44 ea MO190010 ✓ £93.69 ea Plant and Animal Cell Model Activity Set Students can explore plant and animal cell structures with these 200mm diameter cell models. Teachers notes include: background information, basic understandings, blackline master, 2 colour OHPs, key structure and a glossary. MO65700 £187.44 set 126 More products and offers available on our website!

Biological Models BIOLOGY Brain Models Human Brain, 5 parts Brain Model, 2 Part This 5-part classic brain model is an original anatomic cast of a real human brain and comes divided along the midsagittal plane. The Human Brain Model- 2 Parts. Life size 2 part human brain is a median components of the brain’s left half are: section model. The right hemisphere has the cerebellum and the stem with occipital lobe. On base. Numbered with English Key Card. • Frontal and parietal lobe Dimensions (D x W x H): 190 x 150 x 150mm. • Temporal and occipital lobe • Encephalic trunk • Cerebellum With integral magnets for easy viewing and hands on learning, the classic brain is a great education tool for teaching and learning about the human nervous system and anatomy of the brain. The model comes complete with a removable base for mounting and display purposes. MO130530 ✓ £43.69 ea MO160800 £168.75 ea Skull Models Skull Human Skull Model- 3 Parts. The most popular skull for anatomical study, at very affordable price, made of plastic material, and in a natural colour. Dimensions (H x W x D): 220 x 160 x 170mm. MO130510 £53.69 ea timstar.com 127 +44 (0) 3333 442 443 [email protected]

BIOLOGY Biological Models Ear Models Ear Model, Economy Ear Model Human Ear- Enlarged approx. 4 times and dissected into 4 parts, showing external, middle and internal portion. Ossicles and labyrinth 4x life size. Colourful representation of the outer, inner and middle can be taken out. Mounted on base, numbered and with Key Card. ear with removable eardrum with hammer and anvil, 2-part labyrinth Dimensions (L x W x D): 370 x 240 x 190mm. with stirrup, cochlea and auditory/balance nerve. Comes with base and photocopiable key to parts. Dimensions (W x D x H): 340 x 160 x 190mm. MO94200 ✓ £49.94 ea MO130515 £68.69 ea Eye Models Functional Eye Model, Non-Liquid Human Eye Model This innovative functional eye model is an open design model, offering high visibility, which does not involve the injection of liquid*! It is Detailed and accurate dissectable 6 part human eye model with composed of a flexible lens with an adjustable focal length, which detachable base and photocopiable key. Approximately 3 x life size. constitutes the crystalline lens for comprehensive visualisation. The Dimensions (W x D x H): 90 x 90 x 150mm. adjustment of the crystalline lens is made by mechanical stress on the flexible lens, which is similar to the action of the ciliary muscles. The screen represents the retina that can slide along the optical axis to simulate vision problems (myopia, hyperopia). The lens holder is placed in front of the eye to allow a corrective lens to be put in place. The crystalline lens is equipped with an adjustable focal, without the need for further injection of a liquid*, which enables the study of vision problems and their correction. Contents: eye model and a kit of corrective lenses. *a one-time injection of liquid is required when setting up the apparatus for the first time only. MO104234 £44.94 ea Eyeball Model Enlarged about 3 times and separates in a horizontal plane into 6 parts, showing the ocular muscles, blood supply, vitreous body, optic disc, ciliary body, iris, cornea, retina and sclera. Mounted on a pedestal stand 150mm high. Supplied with key card. MO120100 ✓ £168.75 ea MO11216 £88.69 ea For a video demonstration, see timstar.co/FunctionalEyeModel 128 More products and offers available on our website!

Biological Models BIOLOGY Heart Models Pumping Heart Model Heart Model An exceptionally good-value A life-sized 2-part model which heart model which clearly shows the anatomy of the human demonstrates the way the heart with ventricles, atriums, heart pumps blood around the valves, veins and the aorta in body. Comes complete with great detail. Dimensions (L x W x instructions but does require H): 220 x 120 x 120mm. assembling. Dimensions (L x W x H): 320 x 250 x 65mm. MO11219 £51.19 ea MO104238 £19.94 ea Heart Model, Economy Kidney Models Kidney with Adrenal Model Human Heart - 2 Parts Natural size, front heart Human Kidney with Adrenal is removable to view Gland - 2 Parts . This model the chambers. Mounted shows the Kidney with an adrenal on a base. Numbered gland as well as renal and with English Key Card. adrenal vessels and the upper Dimensions (L x W x H): portion of the ureter. A removable 140 x 140 x 200mm. front half of the kidney to show cortex medulla and vessels as well as renal pelvis. Mounted on a base. Numbered with English Key Card. Dimensions (L x W x H): 120 x 120 x 280mm. MO130520 ✓ £21.81 ea MO130525 £39.94 ea Heart Model, Giant Skin Models Human Heart - Extra Large Size. Model is cut by a vertical line Skin Section towards level of ventricular septum and separates into 2 parts after the arch of aorta and superior venacava have been removed. Both This relief model: 70 times full-size, shows a section through the three atria and ventricles with bicuspid and tricuspid semilunar valves as layers of the hair covered skin of the head, showing hair follicles well as sigmoid valves can be seen. Separates into 4 parts. On base. with sebaceous glands, sweaty glands, receptors, nerves and vessels. Numbered with English Key Card. Dimensions (L x W x H): 280 x 230 Dimensions (L x W x H): 260 x 330 x 50mm. x 330mm. MO130505 £225.00 ea MO11226 £88.69 ea +44 (0) 3333 442 443 [email protected] timstar.com 129

BIOLOGY Biological Models Torso Models Human Torso 21 Part Model Human Torso (Half Size) Torso without Open Back - 21 Parts. Life size showing the head with nasal and buccal cavity, half brain, eye with optic nerve. Removable Separating into 11 parts with removable 2 piece head showing 2-lung halves, heart in 2 parts, liver with gall bladder, 2-part stomach, respiratory tract, sectioned brain, 2 part heart, 2 lung halves, stomach, large and small intestines with appendix flap opening and cover, and liver and intestines. All parts unbreakable. Dimensions (Height): a half of Kidney. Male genital organs in 4-parts and female genital 500mm. organs in 2-parts with embryo in the 3rd month of pregnancy. Mounted on a base. Numbered with English Key Card. Dimensions (W x D x H): 380 x 240 x 890mm. MO11230 £69.94 ea MO130545 ✓ £431.25 ea Human Torso 13 Part, Model Human Torso 28 Part Model Torso Sexless - Life size sexless torso in 13 parts. The eye with optical Torso with Open Back - 28 Parts Life size showing the head with nasal nerve and half brain are removable. The lungs and heart in two parts, and buccal cavity, half brain, eye with optic nerve. Removable 2-lung liver, stomach, front portion of the Kidney, half of the bladder and large halves, heart in 2 parts, liver with gall bladder, 2-part stomach, large and small intestines with appendix flap opening and cover. Numbered and small intestines with appendix flap opening and cover, and half of with English Key Card. Dimensions (W x D x H): 380 x 240 x 890mm. a Kidney. Male genital organs in 4-parts and female genital organs in 2-parts with embryo in the 3rd month of pregnancy. The back shows the vertebral column, spinal cord with nerve endings and the 1st, 5th & 7th dorsal vertebra are removable. Mounted on a base. Numbered with English Key Card. Dimensions (W x D x H): 380 x 240 x 900mm. MO130540 £368.75 ea MO130550 £512.50 ea 130 More products and offers available on our website!

Biological Models BIOLOGY Torso Models continued Torso, 24 part, Premium Torso, 12 part, Premium This deluxe dual-sex, 24-part Human Torso from 3B offers all you need for detailed demonstrations in human anatomy. The human torso This 12 part anatomically correct human torso from 3B is a quality model contains the following removable parts and organs: educational tool. The unisex torso is hand-painted true to detail and • 3-part head made of high-quality plastic. Developed and modelled in Germany • 2-part stomach this is ideal for teaching and understanding human anatomy, offering • Female chest wall a hands-on experience. Supplied complete with Torso Guide. The •• 2 lungs following components of this unisex torso are removable: 2-part heart • Liver with gall bladder • 2-part head • 4-part intestinal tract • 2-part heart • Front half of kidney • 2 lungs • 4-part male genital insert • Stomach • 3-part female genital insert • Liver with gall bladder • 2-part intestinal tract • Front half of kidney with foetus All the organs in this human torso are hand painted, to provide an accurate and quality product. Supplied complete with torso guide. MO160100 £418.75 ea Torso, 18 part, Premium MO160110 £812.50 ea This classic 18-part unisex human torso model from 3B is hand- Torso, 28 part, Premium painted true to detail and made of high-quality plastic. Developed and modelled in Germany this is ideal for teaching and understanding This deluxe dual-sex, 28-part human torso from 3B offers everything human anatomy, offering a hands-on experience. This human torso you need for a detailed demonstration in human anatomy. The model model has the unique feature of an open neck and back section going comes complete with removable male and female genital inserts, from the cerebellum to the coccyx. Vertebrae, intervertebral discs, spinal opened neck and back section to study vertebrae, intervertebral discs, cord, spinal nerves, vertebral arteries, and many other features are spinal cord, spinal nerves, vertebral arteries etc., a deluxe head with represented in detail in this colourful replica of the human anatomy. a 4-part brain and much more. Ideal for advanced demonstrations in Supplied complete with torso guide. 18-part unisex human torso model biology or medical settings and supplied complete with torso guide. The includes the following removable parts and organs: following parts of the 28-part deluxe human torso are removable: • 7th thoracic vertebra • 6-part head • 7th thoracic vertebra, female chest wall • 2 lungs • 6-part head • 2-part heart • Female breast covering • Stomach • 2 lungs • Liver with gall bladder • 2-part heart • 2-part intestinal tract • 2-part stomach • Front half of kidney • Liver with gall bladder • Front half of urinary bladder • 4-part intestinal tract • Front half of kidney • 4-part male genital insert • 3-part female genital insert with foetus MO160105 £537.50 ea MO160115 ✓ £837.50 ea +44 (0) 3333 442 443 [email protected] timstar.com 131

BIOLOGY Biological Models Skeleton Models Skeleton Model ‘Mr. Thrifty Skeleton Model Mini Skeleton A half-size model of the human skeleton Human Skeleton Model-Life size model of made from top quality plastic. Main joints human skeleton with stand, made of plastic A cost effective mini skeleton with moveable are articulated. Complete with metal stand. material, finished in a natural colour with joints and complete with stand. Height: 46 cm. Dimensions (Height): 85 cm. plastic cover. Mounted on base. Numbered with English Key Card. Dimensions (Height): 1.7m. MO160500 £16.81 ea MO11205 ✓ £68.69 ea MO130535 £287.50 ea Universal Skeleton Stand Joint Models This high-quality robust skeleton stand can be used to hold almost any Life-sized functional models with ligaments. skeleton model, and allows it to be transported easily from room-to- room over a variety of surfaces. The base is made from cast iron and A BC is very heavy to prevent tipping. The six heavy-duty castors have brakes. A set screw holds the skeleton rod in place. The inner diameter is 12.5 mm. It measures 52 x 52 x 95 cm approx. with a weight of 17.4 kg. The hook accessory can be used to hang a life-sized skeleton using the base. It is 117 cm long, 12.5 mm in diameter, with a hook that is approx. 20 cm. Type £218.75 ea Type £72.44 ea SK180000 Base £24.94 ea MO11266 A Knee joint £72.44 ea SPARES & ACCESSORIES MO11267 B Hip joint £72.44 ea SK180010 Hook accessory MO11268 C Elbow joint 132 More products and offers available on our website!

Biological Models ● Biological Specimens BIOLOGY Plant Models Big Flower Dicot Leaf Model Looking in more detail at the internal structure of a A hand-painted dicot leaf model showing details of a typical mesophytic flower. The Big Flower is a leaf. Mounted on a base, and supplied with a numbered key card. brilliant visual resource for teaching about flower parts and their functions. The clever use of the insects supplied show how pollination occurs. Includes fabric background, 17 removable pieces, pollen grains, insects and 12 labels. Dimensions: 550 x 550mm. MO104250 £68.69 ea Large Size Flower Model Large, detailed model of a flower, with the pistil and anthers shown in section to show the egg and pollen inside their cases. Dimensions: 220 x 330mm. MO190700 ✓ £43.69 ea MO120105 £156.25 ea Biological Specimens Living Botanical Specimens Pondweed, Myriophyllum Algae Myriophyllum is an alternative to Cabomba, which is no longer Supplied in 30 mL tubes, except Chlorella which is on an Agar slope. available, and is a tropical pondweed which is a good oxygenator for Lead time: 14 days warm tanks and suitable for evolution of oxygen during photosynthesis experiments. Not suitable for outdoor ponds. Sold as a bunch of A approx. 10 strands. BL80515 B £21.19 ea BL80540 £21.19 ea BL180550 Type £15.56 ea A Chlorella sp. B Spirogyra varians Scenedesmus quadricauda Pondweed, Egeria densa Egeria densa is an alternative to Elodea crispa (pondweed), which is no longer available, and is a useful oxygenator for ponds, tanks and photosynthesis experiments. Sold as a bunch of approx. 10 strands. BL170200 £13.69 pk BL170210 £13.69 pk +44 (0) 3333 442 443 [email protected] timstar.com 133

BIOLOGY Biological Specimens Drosophila Fly Snooze Kit Drosophila Melanogaster (Fruit Fly) Mixed For anaesthetising Drosophila. Flies remain immobilised for at least Culture 50 minutes. Kit contains a 10ml vial of Fly Snooze and 12 anaesthetic wands. A separate anaesthetiser is not needed. Safer to use than ether Lead time: 14 Days and easy to use. Kit contains 100 doses. • Easy to use. Dip the wand into the Fly Snooze solution. Tap flies to bottom of foam stoppered tube. Insert Fly Snooze wand into tube. Keep tube upright with wand in place for two minutes. Flies are then anaesthetised and can be sorted in the usual way • Less chance for dosage error • Reusable wand controls dosage • Drosophila remain anaesthetised for anything from 50 minutes to several hours without being killed or sterilised Phenotype Quantity £13.06 pk BL80200/A Wild Type £13.06 pk BL80215/A White Eye 10/12 £13.06 pk BL80240/A Vestigial Wing 25 £51.19 pk 10/12 £51.19 pk £51.19 pk Drosophila, Virgin Females £51.19 pk £35.56 pk Lead time: please enquire £35.56 pk £35.56 pk BL80200/B Phenotype Quantity £35.56 pk BL90415 £38.69 kit BL80215/B BL80240/B Wild Type 25 Seeds for Germination BL80260/B White Eye 25 Seeds for Germination Vestigial Wing 25 Scarlet Eye 25 Drosophila, Males Lead time: please enquire BL80200/C Phenotype Quantity BL80215/C BL80240/C Wild Type 25 BL80260/C White Eye 25 Vestigial Wing 25 Scarlet Eye 25 FRUIT FLIES Type Quantity When ordering Virgin Females Barley 500 g please give up to 21 days’ notice. Broad Bean 500 g Cress 250 g CARRIAGE SURCHARGE BL80700 Maize 250 g £7.28 pk BL80705 Mung bean 250 g £5.63 pk Certain living products, such as BL80730 Mustard 250 g £7.88 pk drosophila will incur a carriage surcharge. Please BL80745 Pea 500 g £16.19 pk contact customer service for further clarification. BL80755 Sunflower 250 g £7.88 pk BL80760 Wheat 500 g £5.51 pk BL80775 £10.63 pk BL80780 £4.93 pk BL80785 £6.49 pk Drosophila Ancillaries WARNING Some seeds may be chemically treated with a fungicide. Please wash before use. In case of contact with skin, please rinse with plenty of water. Living Zoological Specimens BL80280 Type Quantity £20.56 pk Brine Shrimp Culture Kit BL150850 10 £20.56 ea BL80282 Drosophila ready prepared £16.19 pk Grow brine shrimps from eggs to adults by feeding them on dried media, in tubes 1 kg natural planktonic algae. The kit comes with sea salt, viable eggs, algal Drosophila ready mix dried food 25 food and simple instructions. Foam Bungs Biology Posters BL80156 £43.74 kit See page 598 All Biological Specimens are non returnable 134 More products and offers available on our website!

Biological Specimens BIOLOGY Living Zoological Specimens continued Blood Specimens Daphnia Blood Water fleas (Daphnia) are a useful source of food for fish in tanks, as well as for observation under a microscope. Sold as a pack of approx. 300 live Daphnia. Lead time: 14 days These products have a short shelf life of approximately 28 days from packing. Store in a fridge at 2-8°C. Please order 2-3 weeks before required. Type Quantity MI10870 Horse, Defibrinated 100 mL £37.44 ea BL170300 £15.56 pk Preserved Zoological Specimens Daphnia Food Insecta Type Quantity £22.44 pk Locust, adult 10 Pelleted food for feeding Daphnia (water BP81600 fleas). Sold as a pack of 100 g. Mammalia B BL170310 £25.56 ea AC £21.19 ea Protozoa £21.19 ea Type Quantity Supplied in 15 mL tubes. Lead BP82106 A Mus musculus (Mouse) formalin £11.64 ea time: 14 days free £24.94 ea £28.06 pk BP82122 B Rattus rattus (Rat) formalin free £20.56 pk BP82146 C Pig eyes BI130585 Sheep eyes 5 £26.81 ea Type 5 BL80000 Amoeba proteus Preserving Fluid BL80020 Paramecium caudatum Protoslow Odourless Preserving Fluid Propylene Phenoxetol A viscous solution used to slow mobile organisms making them easier to observe. Supplied in an easy Used as 1% aqueous solution for the preservation to use dropper bottle. Each bottle contains 30 mL of of animal specimens. This is not a fixative and solution. usually samples should be prefixed in Formalin before immersion in Propylene Phenoxetol. Aqueous BL190900 ✓ £12.49 ea solutions of Propylene Phenoxetol are colourless, practically odourless and non-volatile. Colour retention of specimens is good and tissues remain soft and suitable for dissection. Locusts, (Schistocerica Gregaria) BP82170 Quantity 100 mL Lead time: 14 Days BL80185 Type Quantity £22.44 pk Opresol’ Preserving Fluid Adults 10 For the preservation of biological Woodlice specimens. Dilute 1 part ‘Opresol’ to 3 parts water. Packs of living woodlice, suitable Quantity for behavioural BL110706 2.5 litre experiments e.g. for use with choice SPECIMENS chambers. When ordering LIVE SPECIMENS please allow 7-10 days for delivery, as all Quantity our specimens are freshly prepared. £38.69 ea BL160700 10 £11.24 pk BL160702 50 £37.44 pk BL160704 100 £69.94 pk Choice Chambers See page 173 +44 (0) 3333 442 443 [email protected] timstar.com 135

BIOLOGY Dissecting Equipment Boards & Dishes Dissecting Wallets & Sets Dissecting Boards Canvas Roll Case Soft Wood. Dimensions: 550 x To hold 14 dissecting instruments with tie tapes. 400mm with raised edges. DI05800 ✓ £34.94 ea Polypropylene Cutting Board DI06240 £3.65 ea A useful cutting board for dissection and other applications, which is Plastic Wallet easy to clean, dishwasher safe and autoclavable. Product also has good chemical resistance and is virtually unbreakable and non-absorbent. To hold 13 dissecting instruments with tie tapes. • Autoclavable at 121 °C • Dishwasher safe • Good chemical resistance • Unbreakable in normal use • Non-absorbent and easy to clean • Dimensions: 300 x 210 x 9 mm DI160100 £34.94 ea Dissecting Dishes, Aluminium DI06245 £3.04 ea High-quality aluminium dissecting dishes with sloping sides. Dimensions: 30 x 20 x 5 cm. Dissecting Set A Dissecting Set B •In canvas roll case:- 1 Scissors 115mm fine point In canvas roll case, containing the same instruments as set ‘A’ but • stainless steel with the following additions. 1 Scissors 150mm fine point • 1 Scalpel, 50mm stainless • stainless steel steel 1 Forceps 125mm straight fine ••• 1 Section lifter, stainless steel • point stainless steel 1 Hand lens x10 Type 1 Forceps 125mm straight 1 Section razor DI05810 £19.94 ea blunt points stainless steel DI180815 Without Wax £17.44 ea With Wax • 1 Swann Morton Handle No.3 • 1 Swann Morton No.11 Blades Pk SET B Dissection Tray Kits • 1 Swann Morton Handle No.4 • 1 Swann Morton No.22 Blade Trays and lids supplied with reusable pads eliminating the need for wax. pk Available in 3 sizes. •••• 2 Needles, stainless steel 1 Seeker, stainless steel 1 artist brush 1 dropping pipette 75mm with teat. SET A Type Dimensions DI81100 Small 255 x 185 mm £24.31 kit DI81102 Medium 290 x 190 mm ✓ £34.94 kit DI81104 Large 325 x 230 mm £35.56 kit SPARES & ACCESSORIES £12.38 ea DI81106 £16.19 ea DI81108 Small replacement pad £16.81 ea DI81110 Medium replacement pad DI06250 Set A £28.69 set DI06260 Set B £46.19 set Large replacement pad 136 More products and offers available on our website!

Dissecting Equipment BIOLOGY Forceps Tweezers Blunt Forceps Tweezers with Curved Ends Stainless steel. These long tweezers have bent tips which makes it much easier to pick up small, intricate shapes in both science or D & T. The non stick DI05826 Length Quantity ✓ £16.19 pk coating makes them easier to clean - dried glue just peels off. Teflon DI05829 £26.81 pk coated tweezer with guide pin and curved pointed ends. DI05831 125 mm 10 £43.69 pk 150 mm 10 200 mm 10 Disposable Blunt Forceps, Nylon DI05835 Quantity £4.81 pk DI130500 £3.16 ea 10 Pointed Forceps Tweezer with Magnifying Glass Stainless steel. Straight with fine points and guide pin. The built in magnifying glass and sharp stainless steel tips means these tweezers are really useful for picking up and working with tiny items in design, electronics or for use in dissection. DI05841 Length Quantity £19.31 pk DI05846 ✓ £16.81 pk 115 mm 10 125 mm 10 £2.10 ea £1.85 ea Curved Forceps Stainless steel. With fine points and guide pin. DI130505 £2.99 ea DI05855 Plastic Tweezers Entomological Forceps Economical, plastic tweezers, ideal for science and as an assembly aid for small components. Stainless steel. With guide pin. DI05860 Watch Makers Forceps Stainless steel. With very fine points. DI05865 £5.45 ea DI160110 £0.36 ea Bone Cutting Forceps Mirrors With coil spring. Length: 120mm. Dental Inspection Mirror Flat circular mirror 24mm diameter on 165mm metal handle. DI05875 £18.69 ea Artery Forceps Spencer Wells stainless steel artery forceps. Straight with box joint, 225mm length. DI101100 £11.88 ea DI05880 £3.25 ea +44 (0) 3333 442 443 [email protected] timstar.com 137

BIOLOGY Dissecting Equipment Needles & Needle Holders Pins, Points & Awls Needles Dissecting Awl Straight. Stainless steel. Stainless steel spike. A B Type Quantity DI05900 Plastic handle 10 £6.88 pk DI05930 Type Quantity ✓ £12.05 pk DI05901 Plastic handle 100 £58.69 pk DI05935 £24.31 pk DI05910 Stainless steel handle 1 A Aluminium handle 10 DI05911 Stainless steel handle 10 £2.19 ea B Wooden handle 10 ✓ £16.19 pk Boradaile Needles Pins Type Length Quantity Stainless Steel. DI05950 Plated 25 mm 100 DI05955 Plated 51 mm 100 ✓ £4.26 pk £5.11 pk DI05915 £2.88 ea Setting Pins Needle Holder (Inoculating Loop) Aluminium with brass chuck. DI05920 Quantity £3.14 ea DI05921 £29.31 pk 1 10 Innoculating Loops Type Length Quantity 100 Wire Loops DI05960 Plastic heads 30 mm £7.54 pk Nichrome, designed to be held in a needle holder. (DI05920). Seekers Seekers Stainless steel, bent with blunt point. A DI05925 Quantity £4.14 pk B 10 Type Quantity Inoculating Loops DI06225 A Plastic handle 10 £7.30 pk DI06235 £1.81 ea Sterile (SAL 10^-3), disposable. 10 µL loop at one end with a needle DI06236 B Stainless steel handle 1 £18.06 pk for stab culture at the other. Length 20 cm. Loop 6 mm o.d. 4 mm i.d. Stainless steel handle 10 Section Lifters Section Lifter Stainless steel, single ended. Dimensions: 55mm (L). DI05928 Quantity £0.86 pk DI06185 £1.39 ea 10 138 More products and offers available on our website!

Dissecting Equipment BIOLOGY Scalpels Scalpel Blades, Swann Morton Disposable Scalpels, Sterile Swann Morton To fit handle No. 4. Sold in 20 packs of 5 (100 in total). Plastic handle with steel blade. A B DI06086 Blade No. Quantity ✓ £4.53 pk C E DI06087 £4.53 pk F DI06088 10 10 £4.53 pk D G DI06091 10A 10 £4.68 pk H DI06092 11 10 £4.68 pk DI06093 20 10 £4.68 pk DI06095 21 10 £4.68 pk DI06096 22 10 £4.68 pk 23 10 24 10 Scalpels, Solid DI06041 Blade No. Quantity £14.31 pk DI06046 £14.31 pk Type Length DI06051 A 20 100 ✓ £14.31 pk DI06056 B 21 100 £14.31 pk Stainless Steel 35 mm blade DI06061 C 22 100 £14.31 pk Stainless Steel 45 mm blade DI06066 D 22A 100 £14.31 pk Stainless Steel 50 mm blade DI06071 E 23 100 £14.31 pk DI06076 F 24 100 £14.31 pk G 25 100 H 26 100 DI05965 ✓ £3.14 ea DI05970 £3.25 ea DI05975 £3.23 ea Scalpel Blade Remover £15.56 pk Scalpel Handles, Economy £19.94 pk Disposable. For use with No. 3 and No. 4 handles. Fits around the blade allowing it Stainless steel. to be safely removed. DI06013 Handle No. Quantity ✓ DI06014 3 10 4 10 Scalpel Handles, Swann Morton B DI06084 Quantity £14.31 pk 50 A Handle No. Quantity Blade Remover DI06000 A 3 1 £3.50 ea A safe and easy to use implement to aid blade removal. 10 £33.73 pk DI06001 3 1 ✓ £3.50 ea DI06005 B 4 10 £33.73 pk DI06006 4 Scalpel Blades, Swann Morton To fit handles No. 3 and 7L. Sold in 20 packs of 5 (100 in total). AC B D Quantity £14.94 pk DI140155 100 DI06016 Blade No. Quantity ✓ £13.69 pk DI06021 100 £13.69 pk QlickSmart BladeFlask DI06026 A 10 100 £13.69 pk DI06036 B 10A 100 £13.69 pk See page 570 C 11 100 D 15 +44 (0) 3333 442 443 [email protected] timstar.com 139

BIOLOGY Dissecting Equipment Razors Scissors Section Razor Scissors Carbon steel blade, flat one side. Right handed. Stainless steel. Straight fine points. Open shank. DI06200 £4.24 ea DI06125 Length Quantity £2.56 ea DI06126 £23.06 pk Single Edge Razor Blades DI06130 115 mm 1 DI06131 115 mm 10 £2.73 ea Single edge. DI06135 125 mm 1 ✓ £24.94 pk DI06136 125 mm 10 150 mm 1 £3.88 ea 150 mm 10 £35.56 pk Fine Points Scissors Stainless steel. Fine points, closed shank. DI06155 Type £2.80 ea Straight £1.71 ea £2.94 ea Dressing Scissors £2.85 ea Stainless steel, closed shank. Quantity £6.56 pk DI140145 100 Single Edged Razor Blades In a Dispenser Type Single edge blades in a safety dispenser to reduce used or new blades Blunt/Blunt being left in precarious places. A pack of 10€dispensers, with 10€blades Blunt/Sharp per dispenser (100€blades in total). Sharp/Sharp DI06165 DI06170 DI06175 Curved Scissors Stainless steel, with very fine points, open shank. Quantity £13.06 pk DI06140 Length £1.39 ea DI140150 10 DI06145 ✓ £1.71 ea 112 mm 140 125 mm More products and offers available on our website!

Biotechnology, Electrophoresis & PCR BIOLOGY Introduction to Biotechnology Contents: Measuring cup DNA model Glass bottle Wooden skewer Petri dishes (2) Genetics & DNA Kit Test tubes (2) Plastic chips (12) LB nutrient agar Funnel Filter papers Inheritance chart Wooden spatula See genetic material with your own eyes as you isolate the DNA from (10) Cell poster Safety goggles a tomato in a test tube. Investigate inheritance and learn how traits Pipette Chromosome puzzle are passed down from parents to children. Learn about dominant and recessive genes and play inheritance games to determine how traits will be expressed. Learn about the biology of reproduction, the components of cells, and how chromosomes are combined and copied. Assemble a model to see the elegant double-stranded helical structure of DNA. Then crack the genetic code and find out how the different parts, called nucleotides, fit together. Analyze DNA evidence to identify suspects and solve a crime. Breed your own bacteria colony to experiment with survival of the fittest. Read about how mutation affects genes and how scientists clone plants and animals. Head into the lab for an in-depth investigation of genetics, the branch of biology focused on heredity and variation in organisms, and DNA, the acid that holds the blueprints for life. Complete with 48-page colour manual. BT140105 £31.19 kit The following tables are a summary of each particular sub-section in this section. For more information on any of the products, key in your web browser: timstar.co/<Timstar Code> EXAMPLE: timstar.co/BT140385 Introduction to Biotechnology Edvotek Code Title For Timstar Code Price £53.69 ea S-75 Do Onions, Strawberries and Bananas Have DNA? BT140865 £53.69 kit BT140860 £96.19 kit S-74 What is Osmosis? Kit 5 lab groups BT97805 £37.44 ea BT97800 £53.69 kit 119 A Genes in a tube 25 students BI130965 £53.69 pk S-10 What Does DNA Look Like? 10 lab groups BI130935 £13.69 pk S-20 How to Clone a Gene Kit 5 lab groups BI130940 £13.69 pk BI130945 £13.69 pk 1500 Poppit Beads, 150 of each colour (750): Red, Yellow, Green, BI130950 £13.69 pk B Blue, & White BI130955 £52.44 kit BT140803 £67.44 ea 1500-RED Poppit Beads, 150 of red beads BT140870 1500-YELLOW Poppit Beads, 150 of yellow beads 1500-GREEN Poppit Beads, 150 of green beads 1500-BLUE Poppit Beads, 150 of blue beads 1513 C RNA Protein Synthesis Kit S-80 Molecular Biology, Classroom Game AB C GENES IN A TUBE POPPIT BEADS RNA PROTEIN SYNTHESIS KIT +44 (0) 3333 442 443 [email protected] timstar.com 141

BIOLOGY Biotechnology, Electrophoresis & PCR Discovering Electrophoresis Edvotek Code Title For Timstar Code Price £37.44 ea S-44 A Micropipetting Basics 10 lab groups BT140847 £72.44 kit £33.69 kit S-43 DNA Dura Gel Kit 6 gels (12-24 BI130970 £53.69 kit students) £53.69 kit £53.69 kit S-43-20 Replenisher for BI130970: DNA Dura Gel Kit 2 gels (4-8 students) BI130971 £57.44 kit S-51 B Whose DNA Was Left Behind Kit? S-49 C In Search of My Father Kit 10 lab groups BT97870 £121.19 ea S-50 D Why Do People Look Different Kit? £53.69 kit 101 10 lab groups BT97895 £53.69 kit Principles & Practice of Agarose Gel Electrophoresis £62.44 kit 101-C E Kit 10 lab groups BT97885 S-46 £53.69 kit S-48 Replenisher for BT97865: Principles & Practice of 8 lab groups BT97865 £53.69 kit S-52 Agarose Gel Electrophoresis Kit Linking Stem to Agarose Gel Electrophoresis Kit 24 gels BT97867 S-47 What Is PCR and How Does It Work? Kit 10 lab groups BT140850 S-53 The Secret of the Invisible DNA: A Genetics 10 lab groups BT97925 F Exploration 10 lab groups BT97875 Linking Food Science To Biotechnology: Unlock The Colour Of Candies 10 lab groups BT150210 G Mystery of the Crooked Cell Kit 10 lab groups BI130915 A MICROPIPETTING BASICS B WHOSE DNA WAS LEFT C IN SEARCH OF MY FATHER KIT BEHIND KIT? E PRINCIPLES & PRACTICE F THE SECRET OF THE G MYSTERY OF THE OF AGAROS GEL INVISIBLE DNA: A GENETICS CROOKED CELL KIT ELECTROPHORESIS KIT EXPLORATION D WHY DO PEOPLE LOOK DIFFERENT KIT? 142 More products and offers available on our website!

Biotechnology, Electrophoresis & PCR BIOLOGY Ready-to-Load DNA Electrophoresis Edvotek Code Title For Timstar Code Price Restriction Enzyme Cleavage of Plasmid and Lambda DNA Kit £86.19 kit 102 8 gels BT140200 £175.00 ea 102-C Replenisher for BT140200: Restriction Enzyme Cleavage of 24 gels BT140210 Plasmid and Lambda DNA Kit £86.19 kit 8 gels BT140225 £175.00 ea 103 A Principles of PCR Kit 24 gels BT140235 8 gels BT140265 £86.19 ea 103-C Replenisher for BT140225: Principles of PCR Kit 24 gels BT140275 £175.00 ea 105 Mapping of Restriction Sites on Plasmid DNA 8 gels BT140306 £86.19 kit 105-C Replenisher for bt140265: Mapping of Restriction Sites on 24 gels BT140310 £175.00 kit Plasmid DNA 8 gels BT97890 24 gels BT140319 £86.19 ea 112/AP09 Restriction Enzyme Analysis Of DNA 8 gels BI130905 £175.00 ea 24 gels BT140326 112-C Replenisher for BT140306: Restriction Enzyme Analysis Of DNA 8 gels BI130910 £86.19 kit 24 gels BT140331 £175.00 ea 114 DNA Paternity Testing Simulation 8 gels BI130980 24 gels BT140295 £86.19 kit 114-C Replenisher for BT97890: DNA Paternity Testing Simulation 8 gels BT150218 £175.00 ea 24 gels BT150220 115 B Cancer Gene Detection 8 gels BT150222 £86.19 kit 24 gels BT150224 £175.00 ea 115-C Replenisher for BI130905: Cancer Gene Detection 8 gels BT140332 8 gels BT150226 £86.19 kit 116 Sickle Cell Gene Detection (DNA-based) 8 gels BT150228 £175.00 kit 24 gels BT150230 116-C Replenisher for BI130910: Genetic Disease Screening Kit 8 gels BT97880 £86.19 kit £175.00 kit 109 C DNA Fingerprinting by Restriction Enzyme Patterns 24 gels BT97882 £96.19 ea 109-C DNA Fingerprinting by Restriction Enzyme Patterns £86.19 kit £86.19 kit 117 Detection Of Mad Cow Disease £175.00 kit £86.19 kit 117-C Replenisher for BT150218: Detection Of Mad Cow Disease £175.00 ea 118 Cholesterol Diagnostics 118-C Replenisher for BT150222: Cholesterol Diagnostics 120 Ready-To-Load DNA Sequencing 121 Detection Of Genetically Modified Organisms 124 DNA Screening For Smallpox 124-C Replenisher for BT150228: DNA Screening For Smallpox 130 D DNA Fingerprinting by PCR Amplification 130-C Replenisher for: BT97882: DNA Fingerprinting by PCR Amplification A PRINCIPLES OF PCR KIT B CANCER GENE DETECTION DNA FINGERPRINTING D DNA FINGERPRINTING BY C BY RESTRICTION ENZYME PCR AMPLIFICATION PATTERNS +44 (0) 3333 442 443 [email protected] timstar.com 143

BIOLOGY Biotechnology, Electrophoresis & PCR Advanced DNA Applications Edvotek Code Title For Timstar Code Price £114.94 kit 202 A Mini-Prep Isolation Of Plasmid DNA 12 gels BT150234 £114.94 kit 5 gels BT150236 203 B Isolation Of E. Coli Chromosomal DNA £114.94 kit 204 Separation of RNA and DNA by Gel Filtration 5 gels BT140350 £111.19 kit C Chromatography Kit £111.19 kit 206 Restriction Enzyme Mapping 6 sets BT150238 £111.19 kit 212 Cleavage Of Lambda DNA With Eco Ri Restriction 5 gels BT150242 D Enzyme £193.75 kit 225 E DNA Fingerprinting Using Restriction Enzymes 6 lab groups EL130690 £331.25 kit £193.75 kit 300 Blue/White Cloning DNA Fragment & Assay Of 5 lab groups BT150246 ß-Galactosidase £168.75 kit 301 F Construction And Cloning Of A DNA Recombinant 5 analyses BT150248 £331.25 kit 10 lab groups BT140390 £150.00 kit 302 Purification of the Restriction Enzyme Eco Ri Kit 6 experiments with £150.00 kit 4 modules each BT140395 £162.50 kit 303 Exploring Biotechnology with GFP Kit 5 lab groups 6 lab groups BT150252 £76.19 kit 311 DNA Fingerprinting By Southern Blot 5 lab groups BT140400 £96.19 kit 314 In Search of the Cancer Gene Kit 10 lab groups BT150250 315 In Search Of The Sickle Cell Gene By Southern Blot 10 lab groups BT140403 316 G In Search of the Cholesterol Gene Kit 12 lab groups BT140412 339 Sequencing the Human Genome Kit BT140415 340 H DNA Bioinformatics Kit A MINI-PREP ISOLATION OF B ISOLATION OF E. COLI C SEPARATION OF RNA AND D CLEAVAGE OF LAMBDA DNA PLASMID DNA CHROMOSOMAL DNA DNA BY GEL FILTRATION WITH ECO RI RESTRICTION CHROMATOGRAPHY KIT ENZYME E D NA FINGERPRINTING F CONSTRUCTION AND G IN SEARCH OF THE H D NA BIOINFORMATICS KIT USING RESTRICTION CLONING OF A DNA CHOLESTEROL GENE KIT ENZYMES RECOMBINANT 144 More products and offers available on our website!

Biotechnology, Electrophoresis & PCR BIOLOGY PCR Edvotek Code Title For Timstar Code Price £53.69 kit S-48 A What Is PCR and How Does It Work? Kit 10 lab groups BT97925 £86.19 kit 8 gels BT140225 £175.00 ea 103 B Principles of PCR Kit 24 gels BT140235 £331.25 kit 5 lab groups BT97935 £143.75 kit 103-C Replenisher for BT140225: Principles of PCR Kit 10 lab groups BT97930 £162.50 kit 10 lab groups BI130975 331 Cloning of a PCR Amplified Gene £218.75 kit 6 lab groups BT150254 330 C Amplification of DNA By PCR Kit £187.50 kit 25 students BT150262 372 D Quick PCR Kit £187.50 kit 25 students BI130925 £187.50 kit 335 Reverse Transcription Pcr (Rt-Pcr): The Molecular 25 students BI130930 £187.50 kit Biology Of HIV Replication 25 students BT150264 £187.50 kit 25 students BT140425 £168.75 kit 953 Water Quality Testing III: Multiplex PCR Testing Of 25 students BT97920 Water Contaminants £212.50 kit 25 reactions BT140418 332 Mitochondrial DNA Analysis Kit £181.25 kit 10 lab groups BT140730 333 PCR Based Alu-Human DNA Typing Kit 334 E Vntr Human DNA Typing Using Pcr 369 F Human PCR Tool Box™ Kit 371 DNA Fingerprinting Kit, Using PCR 345 Exploring the Genetics of Taste Kit: SNP Analysis of the PTC Gene Using PCR 962 Identification of Genetically Modified Foods Using G PCR Kit A WHAT IS PCR AND HOW B P RINCIPLES OF PCR KIT C AMPLIFICATION OF DNA D Q UICK PCR KIT DOES IT WORK? KIT BY PCR KIT E VNTR HUMAN DNA TYPING USING PCR F HUMAN PCR TOOL BOX™ KIT G IDENTIFICATION OF GENETICALLY MODIFIED FOODS USING PCR KIT +44 (0) 3333 442 443 [email protected] timstar.com 145

BIOLOGY Biotechnology, Electrophoresis & PCR Introduction to RNA Edvotek Code Title For Timstar Code Price £114.94 kit 204 Separation of RNA and DNA by Gel Filtration 5 gels BT140350 £104.94 kit A Chromatography Kit 10 lab groups BT150266 £218.75 kit 6 lab groups BT150254 235 B DNA/Rna Microarrays BT140803 £52.44 kit 335 Reverse Transcription Pcr (Rt-Pcr): The Molecular Biology Of HIV Replication 1513 RNA Protein Synthesis Kit Forensic Science Edvotek Code Title For Timstar Code Price £67.44 kit C Whose Fingerprints Were Left Behind? 10 lab groups FO91855 £53.69 kit 10 lab groups BT97870 £86.19 kit S-51 Whose DNA Was Left Behind Kit? 8 gels BI130980 £175.00 ea 24 gels BT140295 £86.19 kit 109 D DNA Fingerprinting by Restriction Enzyme Patterns 8 gels BT97880 £175.00 ea 109-C DNA Fingerprinting by Restriction Enzyme Patterns 24 gels BT97882 £111.19 kit 130 DNA Fingerprinting by PCR Amplification 6 lab groups EL130690 £168.75 kit 25 students BT97920 £101.19 kit 130-C Replenisher for: BT97882: DNA Fingerprinting by 10 lab groups BT140345 £111.19 kit PCR Amplification 10 lab groups BT150268 £101.19 kit 10 lab groups BT150270 £101.19 kit 225 DNA Fingerprinting Using Restriction Enzymes 10 lab groups BT150272 £137.50 kit 10 lab groups BT180400 371 DNA Fingerprinting Kit, Using PCR 10 lab groups BT180405 £96.19 ea 10 lab groups FO91850 £53.69 kit 191 Forensic Blood Typing Kit 10 lab groups BT140334 £28.06 ea 192 Forensics Antigen Detection 6 Lab Groups BT190200 £74.94 ea 193 Forensics Enzymology 6 Lab Groups BT190202 £56.19 ea 194 Forensics Enhancement Techniques BI130920 £42.44 ea BT150100 £543.75 ea 195 Forensic Toxicology 195 BC Forensic Toxicology 140 Blood Typing Kit 140-B Blood Typing Refill 151 AIDS Kit III: Simulation of HIV Detection by Protein Electrophoresis 151-FB AIDS Kit III: Simulation of HIV Detection by Protein Electrophoresis 969 Long Wave UV Mini Lamp 546 Incubation Oven B DNA/RNA MICROARRAYS C WHOSE FINGERPRINTS WERE LEFT BEHIND? A S EPARATION OF RNA AND D D NA FINGERPRINTING DNA BY GEL FILTRATION BY RESTRICTION ENZYME CHROMATOGRAPHY KIT PATTERNS 146 More products and offers available on our website!

Biotechnology, Electrophoresis & PCR BIOLOGY Genetic Engineering & Transformation Edvotek Code Title Type For Timstar Code Price £111.19 kit 221 A Transformation of E.coli pGAL Kit 10 lab groups BT97945 £111.19 kit 222 Transformation with Blue & Green 10 lab groups BT97940 £92.44 kit Fluorescent Proteins Kit £111.19 kit 223/AP08 Transformation with Green 10 lab groups BI130985 £86.19 kit B Fluorescent Proteins Kit 10 lab groups BT150274 8 gels BT150226 £193.75 kit 224 C Rainbow Transformation £193.75 kit 121 Detection Of Genetically Modified D Organisms £168.75 kit £331.25 kit 858 Lighting Up Life: Expression Of Gfp 10 lab groups BT150276 E In C. Elegans £5.93 pk £11.86 pk 300 Blue/White Cloning DNA Fragment 5 lab groups BT150246 £38.69 pk F & Assay Of ß-Galactosidase £14.94 kit £13.69 ea 303 Exploring Biotechnology with GFP 6 experiments with BT140395 £18.69 pk G Kit 4 modules each £18.69 kit 331 Cloning of a PCR Amplified Gene 5 lab groups BT97935 633 Petri Plates BT150902 643 Petri Plates BT150904 614 X-Gal BT140593 616 Readypour™ Luria Broth Agar Base BT150654 615 Readypour™ Luria Broth Agar Base BT140594 611 Luria Broth Media 200 reactions BT140592 612 Bacterial Plating Agar BT150650 A TRANSFORMATION OF B TRANSFORMATION WITH C R AINBOW D DETECTION OF E.COLI PGAL KIT GREEN FLUORESCENT TRANSFORMATION GENETICALLY MODIFIED PROTEINS KIT ORGANISMS E LIGHTING UP LIFE: EXPRESSION OF GFP IN C. ELEGANS F BLUE/WHITE CLONING DNA G E XPLORING BIOTECHNOLOGY FRAGMENT & ASSAY OF WITH GFP KIT SS-GALACTOSIDASE +44 (0) 3333 442 443 [email protected] timstar.com 147

BIOLOGY Biotechnology, Electrophoresis & PCR Immunology Edvotek Code Title For Timstar Code Price £114.94 kit 269 ELISA Reactions Kit 10 lab groups BT140365 £114.94 kit BT150278 278 A Quantitative Elisa 6 lab groups £114.94 kit BT150280 270 Antigen-Antibody Interaction: The Ouchterlony 10 lab groups £114.94 kit Procedure BT150282 £114.94 kit BT150284 £114.94 kit 272 Immunoelectrophoresis 10 lab groups BT150286 £114.94 kit BT97900 273 B Radial Immunodiffusion 10 lab groups £114.94 kit BT150292 277 Affinity Chromatography Of Glucose Binding Proteins 10 lab groups £243.75 kit BT150294 £114.94 kit 271 Simulation of HIV Detection Kit 10 lab groups BT150288 275 Aids Kit II: Simulation of HIV Detection by Western 6 lab groups C Blot 317 Western Blot Analysis (Polyacrylamide-Based) 6 blots 274 D In Search Of The Kissing Disease 10 lab groups A QUANTITATIVE ELISA B RADIAL IMMUNODIFFUSION C A IDS KIT II: SIMULATION OF D IN SEARCH OF THE KISSING HIV DETECTION BY WESTERN DISEASE BLOT Simulated ELISA Kit This kit has been designed for pupils in secondary education to give an extremely realistic simulation of ELISA, while being low cost and requiring very little preparation. There are multiple ways to use the kit, but the recommended practical experiment is the simulation of the outbreak of disease and identification of the source. The practical can be done in an hour, or comfortably in two 40 minute lessons. The kit contains: • 10 strips of 8 plastic wells • 20x small, empty plastic pipettes • 20x 1.5 mL centrifuge tubes containing ‘serum’ samples • 2x 1.5 mL centrifuge tubes containing positive ‘serum’ samples • 1x bottle containing 30 mL of ‘wash buffer + detergent’ • 10x sealed pipettes containing enzyme substrate • 10x sealed pipettes containing positive control • 10x sealed pipettes containing negative control • 10x sealed pipettes containing ‘primary antibody’ • 10x sealed pipettes containing ‘secondary antibody’ Stored in the fridge, the kit will last UP TO 4 weeks. Stored in the freezer above -20 °C, it should last up to 6 months. BT190000 ✓ £41.19 ea 148 More products and offers available on our website!