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  • Analysis of Protosappanin B in Sappan Lignum by Capillary Zone Electrophoresis

    Analysis of Protosappanin B in Sappan Lignum by Capillary Zone Electrophoresis

    Tuesday, September 23, 2014
    Application Note
    L. Sui, X. Hou, X. 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
  • Electronic Pipetting: The Call for Innovation

    Electronic Pipetting: The Call for Innovation

    Thursday, February 27, 2014
    Application Note
    Paula Heimler
    Take a close look around most laboratories and you will find an old, barely used fixture. No one knows who ordered it or who it belongs to. It is yellowed, dusty, and top heavy, with a small keyboard ... read more
  • Bioassays and Bioanalytical Method Development 2013

    Bioassays and Bioanalytical Method Development 2013

    Tuesday, November 12, 2013
    Technical Article
    Robert L. Stevenson
    Biotherapeutics are generally large molecules with a heterogeneous complex structure that is directly related to their ability to modulate biological reactions. This precludes defining a meaningful ... read more
  • Fast, Efficient Antibody Biotinylation for Cleaner Immunodetection Assays

    Fast, Efficient Antibody Biotinylation for Cleaner Immunodetection Assays

    Friday, June 07, 2013
    Application Note
    Amedeo Cappione, Masaharu Mabuchi, David Briggs, Timothy Nadler
    Many protein detection methods, including Western blotting, flow cytometry, ELISA, and immunohistochemistry, require the use of target-specific probes, such as antibodies, that are detected via two-... read more
  • Putting the “More” in Morphology: Part 1

    Putting the “More” in Morphology: Part 1

    Wednesday, April 10, 2013
    Technical Article
    Barbara Foster
    Segmentation, the ability to define the unique features in a region of interest, has always been the greatest challenge in image analysis and quantitation. A new suite of tools, available from ... read more
  • An Ultrasensitive Immunoassay Detection System for Biomarkers Utilizing Raman Scattering Methods

    An Ultrasensitive Immunoassay Detection System for Biomarkers Utilizing Raman Scattering Methods

    Wednesday, October 31, 2012
    Technical Article
    Samar Kundu, Charles Ginsburgh, Sandra Lynch, Neal Siegel
    Detection of low levels of biomarkers utilizing enzyme linked immunosorbent assay (ELISA) technology is demonstrated through the use of Raman scattering techniques and a convertible substrate for ... read more
  • Optimizing HPLC Sample Preparation

    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
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