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  • Analysis of Protosappanin B in Sappan Lignum by Capillary Zone Electrophoresis

    Tuesday, September 23, 2014
    Application Note
    Luzhi Sui Xiangqian Hou Xinmin Li Dunqing Wang
    Sappan Lignum, the dried heartwood of Caesalpinia sappan L, has been used as an herbal medicine since ancient times. Sappan Lignum promotes blood circulation; removes blood stasis; reduces swelling, ... read more

  • Optimizing HPLC Sample Preparation

    Monday, February 06, 2012
    Technical Article
    Caitlin Smith
    Sample preparation is an important component for analysis in high-performance liquid chromatography (HPLC)/ultra high-performance liquid chromatography (UHPLC). This article outlines commonly used ... 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
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