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  • Laboratory Automation: 2013–2017

    Friday, November 23, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    Laboratory automation is changing the work flow in biochemical and chemical laboratories. read more

  • Applications of PTR-MS in Medicine and Biotechnology

    Tuesday, June 14, 2011
    Technical Article
    Wolfgang Singer Jens Herbig Rene Gutmann Klaus Winkler Ingrid Kohl Armin Hansel
    Proton transfer reaction-mass spectrometry (PTR-MS) is a well-established analytical tool for the measurement of volatile organic compounds (VOCs), and offers real-time detection and ... read more

  • Analysis of Piperine in Peppers Using On-Line SFE-UHPLC With Photodiode Array Detection

    Tuesday, February 01, 2011
    Application Note
    Takayuki Yamaguchi Kazutoshi Kamezawa Keijin Iwaya Yasuyo Sato Toshihiko Miyaji Masao Bounoshita David J. Tognarelli Muneo Saito
    Ultrahigh-performance liquid chromatography (UHPLC) is a separation technique that utilizes columns packed with microparticles (<2 µm in diameter), as provided by the xtreme liquid chromatography (x-lc™) system (jasco corp., tokyo, japan) µm="" in="" diameter),="" as="" provided="" by="" the="" xtreme="" liquid="" chromatography="" (x-lc™)="" system="" (jasco="" corp.,="" tokyo,="">... read more

  • Determination of Mercury in Slag and Cement Using a Mercury Analyzer

    Friday, January 28, 2011
    Application Note
    Sang-Ho Nam Yu-Na Kim Jin-Su Na Keun-Hyeok Yang
    Mercury is one of the most toxic elements in the environment. Humans are exposed to mercury through the inhalation of mercury vapor, ingestion of drinking water, and consumption of fish. read more

  • A Nondestructive Technique for the Detection of Metallic Impurities in Alloys

    Tuesday, September 01, 2009
    Application Note
    John R. Dannecker Neil D. Fichtelberg Scott A. Knowles
    Examples of welds contaminated with small quantities of incorrect weld filler metal were recently discovered in fabricated assemblies. The presence of such impurities, which are not detectable using ... read more

  • 1-mm-i.d. Monolithic HPLC Columns for High-Efficiency Protein Separations

    Tuesday, September 01, 2009
    Application Note
    Sebastiaan Eeltink Remco Swart
    The preparation of monolithic separation media for HPLC composed of a single, continuous polymer macroporous support has been reported since the late 1960s. Due to its unique material properties, ... read more

  • LIMS and Public Health

    Tuesday, September 01, 2009
    Technical Article
    William Qualls
    The current H1N1 flu pandemic has put a spotlight on public health agencies as they work to identify and contain the outbreak. read more

  • Accurate Determination of Amino Acids in High-Carbohydrate-Containing Samples

    Sunday, October 01, 2006
    Technical Article
    Valoran P. Hanko Jeffrey S. Rohrer
    In a high-sensitivity amino acid analysis (AAA) technique that does not require sample derivatization, both amino acids and carbohydrates are separated by high-performance anion-exchange ... read more
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