| Pyrolysis and mass spectrometry studies of meteoritic organic matter. | |
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MedLine Citation:
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PMID: 22407548 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Meteorites are fragments of extraterrestrial materials that fall to the Earth's surface. The carbon-rich meteorites are derived from ancient asteroids that have remained relatively unprocessed since the formation of the Solar System 4.56 billion years ago. They contain a variety of extraterrestrial organic molecules that are a record of chemical evolution in the early Solar System and subsequent aqueous and thermal processes on their parent bodies. The major organic component (>70%) is a macromolecular material that resists straightforward solvent extraction. In response to its intractable nature, the most common means of investigating this exotic material involves a combination of thermal decomposition (pyrolysis) and mass spectrometry. Recently the approach has also been used to explore controversial claims of organic matter in meteorites from Mars. This review summarizes the pyrolysis data obtained from meteorites and outlines key interpretations. © 2012 Wiley Periodicals, Inc. Mass Spec Rev. |
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Authors:
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M A Sephton |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-3-9 |
Journal Detail:
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Title: Mass spectrometry reviews Volume: - ISSN: 1098-2787 ISO Abbreviation: - Publication Date: 2012 Mar |
Date Detail:
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Created Date: 2012-3-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8219702 Medline TA: Mass Spectrom Rev Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Wiley Periodicals, Inc. |
Affiliation:
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Department of Earth Science and Engineering, South Kensington Campus, Imperial College, London SW7 2AZ, UK. m.a.sephton@imperial.ac.uk. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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