Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 30, Issue 9, Pages 1477-1485Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2011.05.003
Keywords
Continuous monitoring; In-vivo chemical analysis; Membrane-inlet mass spectrometry; Membrane interface; Membrane-introduction mass spectrometry; MIMS; Miniature mass spectrometer; On-site environmental monitoring; Portable mass spectrometry; Tandem mass spectrometry (MS2)
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Funding
- Natural Sciences and Engineering Council of Canada (NSERC)
- Vancouver Island University
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Membrane-introduction mass spectrometry (MIMS) for chemical analysis involves directly sampling analytes in gaseous, liquid and solid samples through a semi-permeable membrane coupled to a mass spectrometer, yielding selective and sensitive quantitation. Because MIMS is an on-line technique, in which samples can be continuously flowed over a membrane interface, it can yield analytical results in real time without the need for sample clean-up and chromatographic separation. This review highlights trends and developments in MIMS over the past decade and describes recent studies that pertain to its use for on-site, in-situ and in-vivo chemical analysis. We report on advancements in instrumentation, including membrane materials, interface configurations and ionization techniques that have extended the range of analytes amenable to MIMS. We summarize the progress made in the miniaturization of mass spectrometers that have resulted in field-portable systems and review recent applications of continuous mobile monitoring and on-site environmental monitoring to yield both temporally and spatially resolved quantitative and semi-quantitative data. Finally, we describe recent work involving the use of MIMS for in-vivo chemical analysis. (C) 2011 Elsevier Ltd. All rights reserved.
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