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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
  • Advances in Liquid Phase Separation at Pittcon® 2012

    Monday, May 07, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    Eight years have passed since Waters introduced the ACQUITY UPLC®. This is a long life cycle for a groundbreaking instrument. read more
  • Separation Science Highlights From Pittcon® 2011

    Tuesday, May 10, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    At Pittcon® 2011, most new products appeared to be evolutionary, not revolutionary. read more
  • UHPLC’s Seven Year Itch: Quo Vadis?

    Tuesday, April 12, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    At Pittcon in 2004, Waters (Milford, MA) introduced the ACQUITY UPLC chromatograph with a 15,000-psi Pmax, and the rest of the LC world had to play an intense game of catch-up. 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
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