Abstract
Today's biomedical research requires instrumentation that is both functional and versatile. While high throughput screening (HTS) and drug discovery laboratories require instrumentation that can be automated, pilot assay laboratories may not necessarily need total automation. Towards that end, Bio-Tek has developed the μFill, a 96-/384-well microplate reagent dispenser capable of running stand-alone or computer-controlled as part of a robotics system. The μFill is compatible with both 96- and 384-well microplates, and using a specially designed adaptor can also dispense to deep-well microplates. It is capable of dispensing from 10–3000 μl for 96-well plates and 5–1500 μl for 384-well plates in 1-μl increments. The μFill can dispense 20 μl into a 96-well plate in four seconds and into a 384-well microplate in 12 seconds. The microprocessor-controlled syringe pump is based on a tested, low-maintenance design that requires no calibration, yet provides a high degree of accuracy and precision. The accuracy with an 80 μl dispense is within 1 μl with a percentage CV of less than 2%, and with a dispense volume of 20 μl, the percentage CV is still less than 5%. For those needing to dispense organic solvents or sterile aqueous solutions, a model that is autoclavable and has increased solvent resistance is also available. The programming allows for the control of flow rates from 225 μl/well/sec, for dispensing to cell cultures, and to 1000 μl/well/sec for rapid and vigorous reagent dispensing. The flexible software provides complete programming capabilities from the keypad. For more complete automation, robotics interfaces can be developed using ActiveX® software commands. The μFill's size, with a 14 times 14-inch footprint and a height of seven inches, allows it to be used almost anywhere.
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More From: JALA: Journal of the Association for Laboratory Automation
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