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

    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

    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
  • Plate Washing in 1536: Evaluation of a Double-Column Aspirator Head

    Plate Washing in 1536: Evaluation of a Double-Column Aspirator Head

    Thursday, October 22, 2009
    Application Note
    Michelle Batchlett, Jason Cassaday, Carissa Ohart, Kurtis Berry, Oleg Kornienko, Jim Chang
    Plate assays (1536-well) that require washing (i.e., enzyme-linked immunosorbent assays [ELISAs] and cell-based), are not routinely implemented in high-throughput screening laboratories due to the ... read more
  • Minimizing Liquid Delivery Risk: Operators as Sources of Error

    Minimizing Liquid Delivery Risk: Operators as Sources of Error

    Saturday, September 01, 2007
    Technical Article
    Wendy Vaccaro
    This is the third in a series of articles entitled “Minimizing Liquid Delivery Risk,” addressing the most common causes of liquid delivery error and providing guidance on how to address and overcome ... read more
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