Piasecki, Alison and Eiler, John (2012) Direct Mass Spectrometric Analysis of Position Specific δ^(13)C in Organics. Mineralogical Magazine, 76 (6). p. 2230. ISSN 0026-461X. http://resolver.caltech.edu/CaltechAUTHORS:20130807-133506905
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It is recognized that natural organic molecules can exhibit position-specific isotopic fractionations (i.e., differences in isotopic composition for a single element between non-equivalent molecular sites). For example, lipids can exhibit up to ~30 ‰ difference in ^(13)C/^(12)C between adjacent carbons as a result of fractionations arising during decarboxylation of pyruvate in lipid biosynthesis . Little in detail is known about such isotope effects in natural products, but it seems possible that observations of isotopic ordering of carbon could distinguishing among the mechanisms and conditions of biosynthetic reactions. And, such position specific isotope effects may be inherited by alkanes produced from thermal degredation fatty acid chains, perhaps modified as functions of the conditions and mechanisms of thermal maturation.
|Additional Information:||© 2012 by the Mineralogical Society of Great Britain and Ireland. Open Access Article. Published online 19 November 2012.|
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|Deposited By:||Tony Diaz|
|Deposited On:||09 Aug 2013 18:26|
|Last Modified:||09 Aug 2013 18:26|
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