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  • Laser Diffraction: A Firm Foundation for Particle Characterization

    Laser Diffraction: A Firm Foundation for Particle Characterization

    Tuesday, August 02, 2011
    Technical Article
    Paul Kippax, Carl Levoguer
    For manufacturers of solid and/or particulate products, particle size is frequently a critical parameter, and is one of the principal variables routinely used to characterize their materials. read more
  • Density Gradient Separations in Vertical Tube, Near Vertical Tube, Fixed Angle, and Swinging Bucket Rotors: A Comparative Study

    Density Gradient Separations in Vertical Tube, Near Vertical Tube, Fixed Angle, and Swinging Bucket ...

    Saturday, September 01, 2007
    Application Note
    Owen Mitch Griffith
    Over the years, researchers have used density gradient techniques for separating viruses and macromolecular species such as proteins, subcellular organelles, and nucleic acids. read more
  • Multicapillary Columns for Chromatography

    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

    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

    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

    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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