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Science  27 Feb 2009:
Vol. 323, Issue 5918, pp. 1235
DOI: 10.1126/science.323.5918.1235a


Evaporation of water from the master mix changes the specificity and efficiency of any polymerase chain reaction, so the Mastercycler pro thermocycler offers a new technology to reduce evaporation. The new technology found in the lid features a fluid-filled Teflon-coated membrane. In contrast to traditional solid plates, this innovative lid envelops the samples to guarantee a snug fit to reduce evaporation to a minimum.


For information 800-645-3050

Gel Protein Recovery System

The GPR-800 is an advanced, microfluidics-based gel protein recovery (GPR) system for the rapid and efficient extraction of proteins from polyacrylamide gels. The system makes use of a proprietary plastic microfluidic chip in a high voltage environment to allow fast, simultaneous recovery in eight parallel microchannels. It is a closed system with minimal dead volume, assuring no introduction of contaminants. The recovered proteins can be easily analyzed by mass spectrometry to determine intact mass or perform top-down proteomics experiments.

Protea Biosciences

For information 877-776-8321


The Midac Illuminator is a compact Fourier transform infrared module that integrates well with a variety of sample interfaces in virtually any configuration. Inside each Illuminator is an infrared source and interferometer that provide a collimated output beam. The rugged module can be coupled with any sampling accessory equipped with its own infrared detector to create a compact dedicated analyzer. Alternatively, the Illuminator's internal infrared source can be replaced with a detector module for emissions work or for use with an external infrared source. The unit can be powered by a 12-volt battery for use in remote or field applications.

Midac Corp.

For information 714-546-4322

Gel Permeation Chromatography

Solvent-enhanced light scattering (SELS) is a new light-scattering technique that can be used in gel permeation chromatography (GPC) applications in which the demands of sample solvent and mobile phase are different. The technique allows users with two different solvents to separately optimize the sample preparation step and the chromatographic conditions to increase the refractive index increment to get better light-scattering responses. Viscotek has published an application note about a fluoropolymer analysis by SELS-GPC in which the fluoropolymer is dissolved in tetrahydrofuran and then this solution is injected into a mobile phase of acetone for analysis.

Viscotek Europe

For information +44-1344-467180

Platinum Electrodes

Platinum Tweezertrode electrodes are designed to enhance in utero and in vivo transfection applications. These electrodes provide uniform electrical fields and efficient drug and gene delivery. They are available in a variety of sizes (1 mm, 3 mm, 5 mm, 7 mm, and 10 mm) diameters to accommodate a variety of tissue sizes and allow for easier targeting of tissues.


For information 800-272-5732

Perfusion System

The Perfusion System for Cell Isolation is designed for harvesting individual cells from the isolated organs of mice, rats, and guinea pigs. It features dual perfusion pathways, in which one circuit delivers perfusate to flush out blood cells while a second circuit delivers an enzyme solution to disintegrate tissue and release individual cells. The system is simple to operate using a single manual switch to change between the perfusion pathways. The dead/mixing volume in the perfusion pathway is less than 100 microliters. A dedicated extension for cardiomyocyte isolation ensures a positive pressure within the heart chamber to prevent bacterial contamination. Adaptations for in situ and in vivo perfusions are available.

Hugo Sachs Elektronik—Harvard Apparatus

For information 800-272-2775

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Newly offered instrumentation, apparatus, and laboratory materials of interest to researchers in all disciplines in academic, industrial, and governmental organizations are featured in this space. Emphasis is given to purpose, chief characteristics, and availabilty of products and materials. Endorsement by Science or AAAS of any products or materials mentioned is not implied. Additional information may be obtained from the manufacturer or supplier.

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