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  • Determination of Pain-Management Drugs in Human Urine Using “Flip-Flop” Chromatography and Time-of-...

    Monday, July 25, 2016
    Application Note
    Ihuoma A. Igwilo Nicholas T. Lappas Ira S. Lurie
    Methodology is presented for analysis of 13 pain-management drugs using reversed-phase and hydrophilic interaction chromatographic separations. read more
  • Automated Separation of Micro-Grains in a Mixed Solid Sample

    Wednesday, April 13, 2016
    Application Note
    Steven M. Barnett Toshinori Maebayashi Satoshi Takeshima
    Areas such as industrial failure analysis, geology, geochronology and others that use solid-phase extraction, require accurate measurement of specific micro-grains, which are small particles mixed ... read more
  • Product Intelligence: Guide to Micromanipulators

    Wednesday, November 14, 2012
    Technical Article
    Caitlin Smith
    As explained in this article, micromanipulators are used in a wide variety of applications in areas as varied as electrophysiology to reproductive biology. Purchasing considerations include type of ... read more
  • Rapid, Robust, and Sensitive Detection of 11-nor-Δ9-Tetrahydrocannabinol-9-Carboxylic Acid in ...

    Thursday, September 01, 2011
    Technical Article
    Bernhard Rothweiler Fred Feyerherm David Engelhart Stephan Baumann
    Testing hair for drugs of abuse has been practiced for over 50 years, due in large part to the ability to detect drug use over a longer period of time, as compared to other biological matrices, ... read more
  • Microscopy is Moving On

    Friday, July 01, 2005
    Technical Article
    Aubrey Lambert
    The basis for observations has not really changed in all the time that lenses have been used to magnify objects. read more
  • Multicapillary Columns for Chromatography

    Tuesday, March 01, 2005
    Technical Article
    Yuri P. Belov Marina M. Ulyanova Vladimir N. Sidelnikov
    The principles and theory of high-speed capillary chromatography have been known since the 1960s. To realize the maximum speed capabilities, it is necessary to use capillaries with a diameter of ... read more
  • Rapid Testing of Toxic Chemicals

    Tuesday, March 01, 2005
    Application Note
    Nathalie Boucher Lucie Lorrain Marie-Eve Rouette Elisabeth Perron Nancy Déziel Louis Tessier François Bellemare
    The measurement of chlorophyll fluorescent signals from photosynthetic enzyme complexes (PEC) has becomeone of the most powerful indicators for ecophysiologists. read more
  • Miniaturized FTIR for Maximized Productivity

    Tuesday, March 01, 2005
    Application Note
    Ken Fredeen John S. Seelenbinder Mark L. Norman
    In today’s fast-paced business environment, many companies are under pressure to improve their productivity. This is especially true in the pharmaceutical industry, where reducing time-to-market ... read more
  • LC-MS With Simultaneous Electrospray and Atmospheric Pressure Chemical Ionization

    Tuesday, March 01, 2005
    Technical Article
    Wayne P. Duncan Patrick D. Perkins
    Today, liquid chromatography-mass spectrometry with electrospray ionization (LC-ESI-MS) is increasingly being used as the technique of choice for high-throughput pharmaceutical analysis. read more
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