NOV 08, 2017 10:30 AM PST

Liquid Chromatography Tandem Mass Spectrometry Research into Testosterone Analysis: Considerations of Instrument Performance Versus Sample Preparation Complexity

Sponsored by: Agilent
Speakers
  • Assistant Professor of Pathology and Laboratory Medicine at Weill Cornell Medical College
    Biography
      Dr. Hayden is a board certified clinical chemist with a special interest in the development and implementation of new diagnostics, in particular mass spectrometry-based assays for small molecule analysis.

      Dr. Hayden obtained a PhD in chemistry from Carnegie Mellon University and went on to conduct postdoctoral research at the Massachusetts Institute of Technology. He then completed a two-year clinical chemistry fellowship at the University of Washington, where he trained under the mentorship of Dr. Geoffrey Baird and Dr. Andrew Hoofnagle. He currently is an assistant professor at Weill Cornell Medical College where he serves as Director of the Toxicology and Therapeutic Drug Monitoring laboratory and Assistant Director of the Central Laboratory at Weill Cornell/New York Presbyterian Hospital.

    Abstract:

    Many direct immunoassays in use today for testosterone analysis are little better than a guess at the low levels that are sometimes required.  This has led many clinical societies to advocate for research into mass spectrometry-based testing.  Given this recommendation, and the often high volume of testing, many clinical laboratories are considering  the development of their own in-house mass spectrometry-based testosterone analytical methods.  This consideration requires selecting an instrument and workflow that fits laboratory operations and the requisite analytic specifications of the assay.  The trade-off in these considerations is typically between more advanced, and more expensive, instruments or more involved and time consuming sample preparation techniques.  This webinar will present research on different liquid chromatography tandem mass spectrometry testosterone  analytical methods that can be performed on low-, mid- and high-sensitivity mass spectrometers.  With each of these analytical methods, the increasing cost of the instrument comes with the advantage of decreasing sample preparation.  The improvements in mass spectrometers will be discussed to provide a better understanding of what makes for more sensitive instruments; the operational challenges and costs of various sample preparation strategies will also be discussed.  The goal is for clinical researchers to be aware of these tradeoffs when evaluating instruments in their research so they can select the instrument and workflow that best suits their laboratory’s needs.


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