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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 Intelligence: Mass Spectrometers for Use in Clinical Diagnostics

    Friday, April 27, 2012
    Technical Article
    T. Keith Brock
    It is recommended that prospective purchasers of mass spectrometers for clinical diagnostics applications research key specifications in order to make an informed decision. This article points out ... 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

  • Peptide De Novo Sequencing With MALDI TOF/TOF: A Simple Approach Using Sulfonation Chemistry

    Thursday, September 07, 2006
    Technical Article
    Paolo Conrotto Ulf Hellman
    One of the main focuses of the scientific community, now that major advances have been achieved in the comprehension of genome organization, has become the study of proteins, including their structure... read more

  • A System That Helps Scientists See Drugs in Tissue Samples

    Friday, July 01, 2005
    Application Note
    Mark Springer
    For drug developers, being able to see where a drug candidate is distributed in a targeted tissue helps them better assess the potential value of that compound as a pharmaceutical product. read more
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