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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

  • Ensuring Food Authenticity and Quality

    Monday, June 13, 2011
    Technical Article
    Gerry Broski
    Protection of consumer rights, the prevention of fraudulent or deceptive practices, and the adulteration of food are important challenging issues facing the food industry. read more

  • Separation of Spinach Chloroplasts Using a Large-Volume, Fixed-Angle Rotor

    Thursday, May 29, 2008
    Technical Article
    O. Mitch Griffith
    Chloroplasts were successfully separated by centrifugation in a sucrose density gradient into particle fractions using a zonal rotor. read more

  • Sizing Particles

    Tuesday, November 01, 2005
    Technical Article
    Michael Levin
    Many methods and numerous instruments are available from recognized vendors to measure particle size. read more
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