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  • Rapid, Robust, and Sensitive Detection of 11-nor-Δ9-Tetrahydrocannabinol-9-Carboxylic Acid in Hair

    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
  • The Double Life of Structured Fluids

    The Double Life of Structured Fluids

    Sunday, August 01, 2010
    Application Note
    Neil Cunningham, Bob McGregor
    The products we stir, pump, spread, pour, and spray are usually thought of as liquids. Surprisingly, however, it can be demonstrated that they live a quiet double life as liquids when observed,but ... read more
  • Food Texture Analysis

    Food Texture Analysis

    Saturday, May 01, 2010
    Application Note
    Richard D. Brown
    Texture testing is a well-established technique for evaluating the mechanical and physical properties of raw ingredients, food structure, and designs, and for pre- and post-quality control checks. ... read more
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