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  • Product Intelligence: Homogenizers Buyers’ Guide

    Monday, August 06, 2012
    Technical Article
    T. Keith Brock
    The mechanical, pressure, and ultrasonic homogenizer represent the three primary methods used to blend, mix, disrupt, emulsify, disperse, and stir samples. This article explains the role of ... read more

  • Separation of Spinach Chloroplasts Using a Large-Volume, Fixed-Angle Rotor

    Thursday, May 29, 2008
    Technical Article
    O. Mitch Griffith
    Chloroplasts were successfully separated by centrifugation in a sucrose density gradient into particle fractions using a zonal rotor. read more

  • Increased Throughput in Method 8270 Analysis

    Monday, January 01, 2007
    Application Note
    William D. Goodman Frank DeLorenzo
    Method 8270 is a GC-MS method created by the U.S. EPA Office of Solid Waste for the analysis of semivolatile organics by gas chromatography-mass spectrometry. read more

  • Automated Chemical Ionization in GC-MS

    Monday, January 01, 2007
    Application Note
    Chris Sandy Jean-Francois Garnier Bernhard Rothweiler Fred Feyerherm Sihem Ben Mahmoud Harry F. Prest
    Gas chromatography with mass spectrometric detection using chemical ionization (CI) has demonstrated great utility in a wide variety of application areas ranging from forensics to environmental to ... read more

  • Sizing Particles

    Tuesday, November 01, 2005
    Technical Article
    Michael Levin
    Many methods and numerous instruments are available from recognized vendors to measure particle size. read more
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