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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

  • 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
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