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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

  • Advantages of In-House Generation of Nitrogen for HPLC With Evaporative Light Scattering Detection

    Friday, January 01, 2010
    Technical Article
    Peter Froehlich Corky Belobraydich
    Evaporative light scattering detection (ELSD) is a universal detection technique for HPLC that provides a number of distinct advantages over other commonly employed detection methods such as UV-VIS ... read more

  • Confidence Up Close

    Friday, January 01, 2010
    Application Note
    Aubrey Lambert
    The combined pressures of continuing miniaturization, higher packing densities, and rigorous quality assurance means that the physical size of particles capable of adversely affecting industrial ... read more

  • Integrating Informatics and High-Content Screening to Find a Cure for Spinal Cord Injury: Selecting ...

    Friday, January 01, 2010
    Application Note
    Vance Lemmon William Buchser Don Crossett
    The Miami Project to Cure Paralysis, part of the University of Miami Miller School of Medicine, includes a laboratory devoted to high-content screening (HCS) of neurons. The laboratory is run by Vance... read more

  • Direct Determination of Trace Elements in Solid Samples by DC Arc With Emphasis on the Analysis of ...

    Friday, January 01, 2010
    Application Note
    Maura Mahar Garry Kunselman Peter Brown Paul Dalager Peter Perzl
    Fast, direct, quantitative elemental analyses of solids that are difficult to digest are hallmarks of the DC Arc technique. The earliest DC Arc instruments relied on photographic plate detectors. ... read more

  • Hyphenation: The Next Step in Thermal Analysis

    Friday, January 01, 2010
    Technical Article
    Kevin P. Menard Richard Spragg Greg Johnson Craig Sellman
    Thermal analysis, like most mature technologies, sees mostly incremental increases in its capabilities, such as the introduction of modulated temperature techniques in the early 1990s or the ... read more

  • Thermosets: How to Avoid Incomplete Curing

    Friday, January 01, 2010
    Technical Article
    Steve Sauerbrunn Rudolf Riesen
    Oligomers and monomers that react and polymerize to form a rigid network with elevated temperatures are called thermosets. Thermosetting oligomers have been used for several decades to produce ... 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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