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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

  • Increased IEF Throughput Using a Dual-Electrode Assembly

    Tuesday, August 02, 2011
    Application Note
    Gary B. Smejkal Darren J. Bauer
    An isoelectric focusing (IEF) apparatus capable of operating at 12,000 V maximum voltage enables isoelectric focusing of proteins in immobilized pH gradients (IPGs) to be completed in less than 3 hr. read more

  • High-Purity Water and pH

    Thursday, June 01, 2006
    Technical Article
    Estelle Riché Aude Carrié Nicolas Andin Stéphane Mabic
    pH influences the rate of many chemical and enzymatic reactions. read more
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