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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

  • Capillary-Channeled Polymer (C-CP) Fibers: A Novel Platform for Liquid-Phase Separations

    Wednesday, June 01, 2005
    Technical Article
    Dwella M. Nelson Rayman D. Stanelle Phil Brown R. Kenneth Marcus
    In spite of its relative maturity as a group of analytical methods, the field of liquid chromatography continues to evolve with regard to the development of new stationary phases that may provide ... read more

  • Using FAIMS to Increase Selectivity for LC-MS Analyses

    Wednesday, June 01, 2005
    Technical Article
    Roger Guevremont Beata Kolakowski
    In the development of many LC-MS methods, interferences are commonplace. In an environment in which data must stand up to rigorous scrutiny, such as in the pharmaceutical industry, selectivity of ... read more

  • Dielectrophoretic Force Microscopy

    Wednesday, January 19, 2005
    Application Note
    Al M. Hilton Brian P. Lynch Garth J. Simpson
    Dielectrophoresis (DEP), the force exerted on a polarizable particle in a nonuniform electric field, has been used with great success in recent years to manipulate and separate cells and biomolecules. read more
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