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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

  • Light Engines for the Life Sciences

    Thursday, September 04, 2008
    Technical Article
    Arlie R. Conner Claudia B. Jaffe Steven M. Jaffe
    Life science instruments present unique challenges to suppliers of light-generation equipment: Inexpensive, high-intensity, uniform, monochromatic light across a broad UV-VIS-IR spectrum is required... read more

  • Statistics in Analytical Chemistry: Part 22—Lack-of-Fit Details

    Thursday, June 01, 2006
    Technical Article
    David Coleman Lynn Vanatta
    Because of popular demand from readers, this installment will discuss the principles and calculations that underlie the lack-of-fit (LOF) test. read more

  • Use of New Scanning Technology to Elucidate Ion Channel Mobility

    Friday, April 01, 2005
    Application Note
    Angela Goodacre Kristen M.S. O’Connell Michael M. Tamkun
    Fluorescent chromophores fused to specific proteins have greatly increased our ability to image dynamic events within the living cell. read more
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