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  • Accurate Determination of Amino Acids in High-Carbohydrate-Containing Samples

    Accurate Determination of Amino Acids in High-Carbohydrate-Containing Samples

    Sunday, October 01, 2006
    Technical Article
    Valoran P. Hanko, Jeffrey S. Rohrer
    In a high-sensitivity amino acid analysis (AAA) technique that does not require sample derivatization, both amino acids and carbohydrates are separated by high-performance anion-exchange ... read more
  • 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
  • Scientific Imaging: To Sharpen or Obscure?

    Scientific Imaging: To Sharpen or Obscure?

    Monday, October 01, 2012
    Technical Article
    Jerry Sedgewick
    In the world of scientific imaging, the matter of whether or not to sharpen an image can pose an ethical question: Does sharpening change the essential nature of the image? read more
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