Advanced Digital Refrigerated Circulator from PolyScience Maintains Electrophoresis Temperatures with 0.01°C Stability

14 Nov 2013
Sarah Thomas
Associate Editor

Product news

A high-performance circulator that provides the precise cooling needed to enhance electrophoresis separations is available from PolyScience. Compact and easy-to-use, the Advanced Digital Refrigerating Circulator combines intuitive touch-pad operation with automatic or user-adjustable fluid optimization and ±0.01°C temperature stability to maintain buffer solutions at optimum temperatures even under varying electrophoresis voltages.

The Model AD07R-20 features a -20° to +200°C working temperature range, large 3.75” LCD display, and variable speed pressure-suction pump. This versatile circulator also incorporates a wide variety of lab- and operator-friendly features, including a rotating control head that provides a clear view of the temperature display anywhere within a 180° viewing radius, self-storing reservoir cover, and a molded composite top plate that dampens noise and remains cooler at high temperatures. Other standard features include remote temperature sensing capability as well as serial and USB connectivity. The AD07R-20 has a 7 liter reservoir; other models, with reservoir sizes as large as 45 liters, are also available.

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ElectrophoresisElectrophoresis equipment is used to separate mixtures of protein, DNA or RNA, based on their electric charge, size and other physical characteristics, by passing them through a medium such as a polyacrylamide gel, an agarose gel or a capillary tube. Electrophoresis equipment includes horizontal and vertical gel electrophoresis chambers, isoelectric focusing systems, 2D electrophoresis and capillary electrophoresis instruments. Precast gels with a gradient can be used or gels can be hand cast. Samples are run alongside ladders or markers to identify the approximate size of a molecule. Separated proteins and nucleic acids in the gel can be stained or probed with fluorescent markers and then imaged and detected using gel documentation instruments, transilluminators, densitometers and scanners. Find the best electrophoresis equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Baths and CirculatorsLaboratory baths and circulators are capable of refrigerating and heating to meet the demands of any temperature controlled application.Temperature ControlTemperature controlled processes are experiments carried out using ovens, furnaces, incubators, hotplates, refrigeration and freezers.