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  • Applications of PTR-MS in Medicine and Biotechnology

    Applications of PTR-MS in Medicine and Biotechnology

    Tuesday, June 14, 2011
    Technical Article
    Wolfgang Singer, Jens Herbig, Rene Gutmann, Klaus Winkler, Ingrid Kohl, Armin Hansel
    Proton transfer reaction-mass spectrometry (PTR-MS) is a well-established analytical tool for the measurement of volatile organic compounds (VOCs), and offers real-time detection and ... read more
  • Freeze-Drying 101: Lyophilization Technology

    Freeze-Drying 101: Lyophilization Technology

    Monday, April 04, 2005
    Technical Article
    Charles D. Dern
    Freeze-drying is a complex and not completely understood process that requires one to carefully balance product requirements with equipment capabilities. read more
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