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  • 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

  • High-Content Analysis Comes Full Circle in Only Eight Years

    Monday, April 18, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    In eight short years, high-content analysis (HCA) has circled back to its roots, where many practitioners are again using personal instruments. read more

  • Providing Purge Gas for FTIR Systems

    Monday, April 18, 2011
    Technical Article
    Peter Froehlich Kim Myers
    While a Fourier transform infrared (FTIR) spectrophotometer provides a number of benefits relative to a scanning IR spectrophotometer,a significant disadvantage of an FTIR system is that the presence ... read more

  • Dielectrophoretic Force Microscopy

    Wednesday, January 19, 2005
    Application Note
    Al M. Hilton Brian P. Lynch Garth J. Simpson
    Dielectrophoresis (DEP), the force exerted on a polarizable particle in a nonuniform electric field, has been used with great success in recent years to manipulate and separate cells and biomolecules. read more
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