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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

  • Applications of PTR-MS in Medicine and Biotechnology

    Tuesday, June 14, 2011
    Technical Article
    Wolfgang Singer Jens Herbig Rene Gutmann Klaus Winkler Ingrid Kohl Armin Hansel
    Proton transfer reaction-mass spectrometry (PTR-MS) is a well-established analytical tool for the measurement of volatile organic compounds (VOCs), and offers real-time detection and ... read more

  • High-Content Analysis Comes Full Circle in Only Eight Years

    Monday, April 18, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    In eight short years, high-content analysis (HCA) has circled back to its roots, where many practitioners are again using personal instruments. read more

  • Providing Purge Gas for FTIR Systems

    Monday, April 18, 2011
    Technical Article
    Peter Froehlich Kim Myers
    While a Fourier transform infrared (FTIR) spectrophotometer provides a number of benefits relative to a scanning IR spectrophotometer,a significant disadvantage of an FTIR system is that the presence ... read more
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