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  • Culturing Cells Under Hypoxic Conditions for Biologically Relevant Results

    Tuesday, October 16, 2012
    Technical Article
    Mary Kay Bates
    For many decades, animal cells have been cultured in air supplemented with carbon dioxide, but new applications for cell therapies require conditions mimicking those in vivo. read more

  • Feeder Cell- and Extracellular Matrix-Free Cultivation of Human Embryonic Stem Cells

    Tuesday, November 01, 2011
    Application Note
    Cindy Neeley
    In cell biology, pluripotency refers to stem cells that have the ability to differentiate into any of the three germ layers: endoderm (stomach lining, gastrointestinal tract, lungs); mesoderm (... read more

  • Ultrasensitive Calorimetry: One of the Best-Kept R&D Secrets

    Monday, October 01, 2007
    Application Note
    Ed Sullivan
    The first calorimetric test most of us performed was probably either the classic Styrofoam cup test or the more sophisticated bomb (combustion chamber) calorimeter, which allowed the measurement of ... read more

  • Calorimetry: Getting the Winning Combination

    Wednesday, July 18, 2007
    Technical Article
    Ed Sullivan
    Ultrasensitive calorimetric instruments for measuring very small heats of reaction at constant temperature (isothermal titration calorimetry [ITC]) and small heat effects induced by temperature (... read more

  • Increased Throughput in Method 8270 Analysis

    Monday, January 01, 2007
    Application Note
    William D. Goodman Frank DeLorenzo
    Method 8270 is a GC-MS method created by the U.S. EPA Office of Solid Waste for the analysis of semivolatile organics by gas chromatography-mass spectrometry. read more

  • Automated Chemical Ionization in GC-MS

    Monday, January 01, 2007
    Application Note
    Chris Sandy Jean-Francois Garnier Bernhard Rothweiler Fred Feyerherm Sihem Ben Mahmoud Harry F. Prest
    Gas chromatography with mass spectrometric detection using chemical ionization (CI) has demonstrated great utility in a wide variety of application areas ranging from forensics to environmental to ... read more
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