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  • 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

  • Sample Prep for LC, GC, and SFC at Pittcon® 2013

    Friday, May 10, 2013
    Technical Article
    Robert L. Stevenson, Ph.D.
    At Pittcon® 2013, sample prep stood out as a major focus, perhaps because of the few advances in chromatography instrumentation. In addition, some sample preparation is spilling over into other ... read more

  • New Instrumentation and Applications at HPLC 2012

    Friday, August 10, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    A marketplace is usually dynamic, with a cross-current of disparate interests meeting to find mutual satisfaction. read more

  • Plate Washing in 1536: Evaluation of a Double-Column Aspirator Head

    Thursday, October 22, 2009
    Application Note
    Michelle Batchlett Jason Cassaday Carissa Ohart Kurtis Berry Oleg Kornienko Jim Chang
    Plate assays (1536-well) that require washing (i.e., enzyme-linked immunosorbent assays [ELISAs] and cell-based), are not routinely implemented in high-throughput screening laboratories due to the ... read more

  • Minimizing Liquid Delivery Risk: Operators as Sources of Error

    Saturday, September 01, 2007
    Technical Article
    Wendy Vaccaro
    This is the third in a series of articles entitled “Minimizing Liquid Delivery Risk,” addressing the most common causes of liquid delivery error and providing guidance on how to address and overcome ... read more

  • Capillary-Channeled Polymer (C-CP) Fibers: A Novel Platform for Liquid-Phase Separations

    Wednesday, June 01, 2005
    Technical Article
    Dwella M. Nelson Rayman D. Stanelle Phil Brown R. Kenneth Marcus
    In spite of its relative maturity as a group of analytical methods, the field of liquid chromatography continues to evolve with regard to the development of new stationary phases that may provide ... read more

  • Using FAIMS to Increase Selectivity for LC-MS Analyses

    Wednesday, June 01, 2005
    Technical Article
    Roger Guevremont Beata Kolakowski
    In the development of many LC-MS methods, interferences are commonplace. In an environment in which data must stand up to rigorous scrutiny, such as in the pharmaceutical industry, selectivity of ... read more
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