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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

  • Evaluation of Antibiotic-Free Cell Cultures in Manual and Automated Cell Handling

    Monday, October 28, 2013
    Application Note
    Kerstin Thurow Ricarda Lehmann Leonie Vetter Luisa Person
    Antibiotics are frequently added to cell culture media; the greatest benefit to this is that it suppresses contamination. However, routine use of antibiotics is associated with the development of ... 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

  • Bioassays 2011

    Thursday, June 23, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    During the last decade, tremendous strides have been made in proteomics and genomics. 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

  • Multidetection Microplate Readers: Filter-Based, Monochromator-Based. . .or Both?

    Friday, June 01, 2007
    Technical Article
    Xavier Amouretti
    The appeal of multidetection microplate readers is easy to understand: they combine multiple measurement technologies such as absorbance, fluorescence,and luminescence into one compact instrument. read more

  • Increased Throughput in Method 8270 Analysis

    Monday, January 01, 2007
    Application Note
    William D. Goodman Frank DeLorenzo
    Method 8270 is a GC-MS method created by the U.S. EPA Office of Solid Waste for the analysis of semivolatile organics by gas chromatography-mass spectrometry. read more

  • Automated Chemical Ionization in GC-MS

    Monday, January 01, 2007
    Application Note
    Chris Sandy Jean-Francois Garnier Bernhard Rothweiler Fred Feyerherm Sihem Ben Mahmoud Harry F. Prest
    Gas chromatography with mass spectrometric detection using chemical ionization (CI) has demonstrated great utility in a wide variety of application areas ranging from forensics to environmental to ... read more
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