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  • Pittcon 2013®: Developments in Liquid Chromatography

    Monday, May 13, 2013
    Technical Article
    Robert L. Stevenson, Ph.D.
    The first commercial liquid chromatograph was probably an amino acid analyzer. These ion exchange chromatographs were so specialized that they had almost no impact on chemical analysis outside of ... read more

  • The Future of GC Instrumentation From the 35th International Symposium on Capillary Chromatography (...

    Thursday, September 01, 2011
    Technical Article
    Robert L. Stevenson, Ph.D. Ronda Gras Milton Lee
    Instrumentation has a life cycle. Gas chromatographs are mature, so the cycle is probably 10–12 years. read more

  • Tips to Prevent Streaking on 2-D Gels

    Tuesday, November 01, 2005
    Application Note
    Tom Berkelman Mary Grace Brubacher Haiyin Chang Tim Cross William Strong
    The most common problem encountered with 2-D gels is protein streaking, whether in the horizontal or vertical direction. read more

  • An Automated Alternative to SDS-PAGE for Protein Analysis

    Tuesday, March 01, 2005
    Technical Article
    Sang Jeong Sherri Biondi Jim Mikkelsen Bahram Fathollahi Adrian Winoto Michael Spaid Andrea Chow
    Now that the Human Genome Project is finished, the next important phase is understanding the expression and function of proteins. read more

  • Multicapillary Columns for Chromatography

    Tuesday, March 01, 2005
    Technical Article
    Yuri P. Belov Marina M. Ulyanova Vladimir N. Sidelnikov
    The principles and theory of high-speed capillary chromatography have been known since the 1960s. To realize the maximum speed capabilities, it is necessary to use capillaries with a diameter of ... read more

  • Rapid Testing of Toxic Chemicals

    Tuesday, March 01, 2005
    Application Note
    Nathalie Boucher Lucie Lorrain Marie-Eve Rouette Elisabeth Perron Nancy Déziel Louis Tessier François Bellemare
    The measurement of chlorophyll fluorescent signals from photosynthetic enzyme complexes (PEC) has becomeone of the most powerful indicators for ecophysiologists. read more

  • Miniaturized FTIR for Maximized Productivity

    Tuesday, March 01, 2005
    Application Note
    Ken Fredeen John S. Seelenbinder Mark L. Norman
    In today’s fast-paced business environment, many companies are under pressure to improve their productivity. This is especially true in the pharmaceutical industry, where reducing time-to-market ... read more

  • LC-MS With Simultaneous Electrospray and Atmospheric Pressure Chemical Ionization

    Tuesday, March 01, 2005
    Technical Article
    Wayne P. Duncan Patrick D. Perkins
    Today, liquid chromatography-mass spectrometry with electrospray ionization (LC-ESI-MS) is increasingly being used as the technique of choice for high-throughput pharmaceutical analysis. read more
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