On the mechanisms of sulfur isotope fractionation during microbial sulfate reduction

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On the mechanisms of sulfur isotope fractionation during microbial sulfate reduction

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Title: On the mechanisms of sulfur isotope fractionation during microbial sulfate reduction
Author: Leavitt, William Davie
Citation: Leavitt, William Davie. 2014. On the mechanisms of sulfur isotope fractionation during microbial sulfate reduction. Doctoral dissertation, Harvard University.
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Abstract: Underlying all applications of sulfur isotope analyses is our understanding of isotope systematics. This dissertation tests some fundamental assumptions and assertions, drawn from equilibrium theory and a diverse body of empirical work on biochemical kinetics, as applied to the multiple sulfur isotope systematics of microbial sulfate reduction. I take a reductionist approach, both in the questions addressed and experimental approaches employed. This allows for a mechanistic, physically consistent interpretation of geological and biological sulfur isotope records. The goal of my work here is to allow interpreters a more biologically, chemically and physically parsimonious framework to decipher the signals coded in modern and ancient sulfur isotope records.
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:12274566
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