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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
  • Product Showcase: Blood Gas Analyzers

    Wednesday, March 06, 2013
    Technical Article
    Jeanely Hunt, MS, MBA
    Blood gas analysis, more specifically referred to as arterial blood gas (ABG) analysis, is a standard clinical diagnostic test that measures a patient’s blood gases; oxygen and carbon dioxide blood ... read more
  • Trends in Blood Gases Analysis—Portable Blood Gas Analyzers, POC Testing, and Venous Blood Gas ...

    Monday, April 09, 2012
    Technical Article
    T. Keith Brock
    Arterial blood gas (ABG) analysis consists of three separate measurements— pH, pCO2, and pO2, but depending on the platform may also include calculated values for bicarbonate (HCO3), base excess (BE)... 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 Throughput in Method 8270 Analysis

    Monday, January 01, 2007
    Application Note
    William D. Goodman Frank DeLorenzo
    Method 8270 is a GC-MS method created by the U.S. EPA Office of Solid Waste for the analysis of semivolatile organics by gas chromatography-mass spectrometry. read more
  • Automated Chemical Ionization in GC-MS

    Monday, January 01, 2007
    Application Note
    Chris Sandy Jean-Francois Garnier Bernhard Rothweiler Fred Feyerherm Sihem Ben Mahmoud Harry F. Prest
    Gas chromatography with mass spectrometric detection using chemical ionization (CI) has demonstrated great utility in a wide variety of application areas ranging from forensics to environmental to ... read more
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