Analytical plasma source mass spectrometry in biomedical research |
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Authors: | Ramon M Barnes |
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Institution: | Department of Chemistry, Lederle Graduate Research Center, University of Massachusetts, PO Box 34510, 01003-4510, Amherst, MA, USA. |
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Abstract: | The features of inductively coupled plasma - mass spectrometry (ICP-MS) that make it unique also make possible applications in biological chemistry and biomedical research that would be otherwise difficult or impossible. High sensitivity, characterized spectral interferences, rapid mass scanning, and individual isotope measurements are now combined with sophisticated sample preparation, separations, or stable isotope additions to achieve rapid semi-quantitative analysis, element speciation, and high accuracy. The semi-quantitative analysis of various materials, the separation and detection of macromolecules in blood and other tissues, and tracking of stable isotopes added either purposely or inadvertently to children are important applications of ICP-MS. Current functional limitations and obstacles and potential development areas also are examined. |
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