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  • New Products for Gas Chromatography at Pittcon® 2014

    New Products for Gas Chromatography at Pittcon® 2014

    Tuesday, May 06, 2014
    Application Note
    Robert L. Stevenson, Ph.D.
    Pittcon® is changing rapidly. After decades where separation science including GC/MS and LC/MS dominated the meeting, a report by Dr. Matt Wilkinson in this issue demonstrates that optical ... read more
  • Sample Processing at Pittcon® 2014

    Sample Processing at Pittcon® 2014

    Tuesday, May 06, 2014
    Application Note
    Robert L. Stevenson, Ph.D.
    The tenfold increase in speed for the analytics (GC, HPLC, and SFC [supercritical fluid chromatography], all with MS) over the last decade has shifted the choke point in many workflows from analytics ... read more
  • Pittcon 2013®: Developments in Liquid Chromatography

    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
  • Focus on Separation Science at Pittcon® 2012: Advances in Gas Chromatography

    Focus on Separation Science at Pittcon® 2012: Advances in Gas Chromatography

    Monday, May 07, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    For gas chromatography (GC), the big news at Pittcon® 2012 was the absence of Agilent and PerkinElmer. This was a consequence of an overall downsizing caused by the “six-year effect” where the cycles ... read more
  • Separation Science Highlights From Pittcon® 2011

    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
  • Tips to Prevent Streaking on 2-D Gels

    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

    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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