| Acquisition of Raman spectra of amino acids using portable instruments: outdoor measurements and comparison. | |
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MedLine Citation:
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PMID: 20863748 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Raman spectra of 13 amino acids: L-alanine, β-alanine, L-asparagine, L-aspartic acid, L-glutamic acid, L-glutamine, glycine, L-methionine, L-proline, L-serine, L-threonine, L-tryptophan and L-tyrosine were acquired outdoors using two portable Raman instruments from the Ahura and Delta Nu manufacturers, both with 785 nm laser excitation. Both instruments provide quality Raman spectra with nevertheless a variable dependence upon the prevailing experimental conditions. The data acquired in these experiments will inform the selection of suitable Raman spectrometers for the in-field detection of biomolecules of relevance to the search for life signatures spectroscopically in terrestrial extreme environments and in extraterrestrial exploration, especially of planetary surfaces and subsurfaces using robotic instrumentation. |
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Authors:
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A Culka; J Jehlička; H G M Edwards |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-08-27 |
Journal Detail:
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Title: Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy Volume: 77 ISSN: 1873-3557 ISO Abbreviation: Spectrochim Acta A Mol Biomol Spectrosc Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-11-02 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9602533 Medline TA: Spectrochim Acta A Mol Biomol Spectrosc Country: England |
Other Details:
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Languages: eng Pagination: 978-83 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier B.V. All rights reserved. |
Affiliation:
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Charles University in Prague, Institute of Geochemistry, Mineralogy and Mineral Resources, Albertov 6, 128 43 Prague 2, Czech Republic. culka@natur.cuni.cz |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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