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Volumn 348, Issue 6233, 2015, Pages 428-431

Nonequilibrium clumped isotope signals in microbial methane

(21)  Wang, David T a,b   Gruen, Danielle S a,b   Sherwood Lollar, Barbara c   Hinrichs, Kai Uwe d   Stewart, Lucy C e   Holden, James F e   Hristov, Alexander N f   Pohlman, John W g   Morrill, Penny L h   Könneke, Martin d   Delwiche, Kyle B i   Reeves, Eoghan P a   Sutcliffe, Chelsea N c   Ritter, Daniel J j   Seewald, Jeffrey S b   McIntosh, Jennifer C j   Hemond, Harold F i   Kubo, Michael D k   Cardace, Dawn l   Hoehler, Tori M k   more..


Author keywords

[No Author keywords available]

Indexed keywords

CARBON; CLUMPED ISOTOPE; HYDROGEN; ISOTOPE; METHANE; NATURAL GAS; UNCLASSIFIED DRUG; GROUND WATER;

EID: 84928381571     PISSN: 00368075     EISSN: 10959203     Source Type: Journal    
DOI: 10.1126/science.aaa4326     Document Type: Article
Times cited : (186)

References (36)
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    • D. A. Stolper et al., Science 344, 1500-1503 (2014).
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    • Materials and methods are available as supplementary materials on
    • Materials and methods are available as supplementary materials on Science Online.
    • Science Online
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    • note
    • The abundance of 13CH3D is captured by a metric, Δ13CH3D, that quantifies its deviation from a random distribution of isotopic substitutions among all isotopologues in a sample of methane: Δ13CH3D = ln Q, where Q is the reaction quotient of the isotope exchange reaction 13CH4 + 12CH3D &rlhar2; 13CH3D + 12CH4. The reported δ values are conventional isotopic notation, e.g., δD = (D/H)sample/(D/H)reference - 1. Mass spectrometric measurements yield Δ18, a parameter that quantifies the combined abundance of 13CH3D and 12CH2D2. For most natural samples of methane, Δ18 temperature is expected to be directly relatable to Δ13CH3D temperature, as measured by laser spectroscopy. The D/H fractionation between methane and environmental water is defined as εmethane/water = (D/H)methane/(D/H)water - 1.
  • 31
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    • G. Holland et al., Nature 497, 357-360 (2013).
    • (2013) Nature , vol.497 , pp. 357-360
    • Holland, G.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.