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  • 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

    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

    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

    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

    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

  • Fluorescence Microscopy: Solving Common Documentation Challenges

    Sunday, November 01, 2009
    Application Note
    Mark Clymer
    Fluorescence has proven to be a useful technique for identifying, tracking, and studying molecules of interest in biological specimens. In fact, fluorescence is among the fastest growing microscopy ... read more

  • Advances in Cryo-SEM: From Micrometers to Nanometers

    Sunday, November 01, 2009
    Application Note
    Jens Greiser
    Science is driving the demand for nanoscale resolution. Cryo-scanning electron microscopy (cryo-SEM), which combines the high-performance imaging of scanning electron microscopy (SEM) with cryogenic ... read more

  • Addressing New Challenges in the Field of Growth Promoters in Biological Samples

    Sunday, November 01, 2009
    Technical Article
    Fabrice Monteau Jean-Philippe Antignac Gaud Pinel Paul Silcock Peter Hancock Bruno Le Bizec
    The safety of our food supply can no longer be taken for granted. As the world changes and populations continue to grow, so will the responsibility of organizations to meet the demand for safe ... 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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