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Volumn 281, Issue 5383, 1998, Pages 1659-1662

Energetics of amino acid synthesis in hydrothermal ecosystems

Author keywords

[No Author keywords available]

Indexed keywords

AMINO ACID; SEA WATER;

EID: 0032508543     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.281.5383.1659     Document Type: Article
Times cited : (182)

References (44)
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    • Because the activities of amino acids in vent fluids are not currently known, we set the activity values to zero. This assumption will introduce only minimal error in mixed hydrothermal solutions unless the concentrations of free amino acids in 350°C vent fluids are substantially higher than the concentrations in seawater.
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    • C (22) in an amino acid, the sum of the nominal oxidation states for each carbon atom is divided by the total number of carbon atoms in the compound. A carbon atom is assigned a nominal charge of - 1 for each bond to a hydrogen atom; 0 for each bond to another carbon atom; and +1 for each bond to an oxygen, nitrogen, or sulfur atom.
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    • +).
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    • personal communication
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    • Although likely to be lower, the activities of amino acids in deep seawater are conservatively estimated to be equal to the activities of amino acids in surface seawater.
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    • in preparation
    • R. G. Keil, in preparation.
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    • note
    • We thank two anonymous reviewers for their insightful critique of an earlier version of this manuscript and H. Helgeson, G. Olsen, R. Keil, M. Lilley, T. McCollom, M. Schulte, J. Deming, J. Baross, M. Summit, A. Playsunov, M. Zolotov, P. Prapaipong, and G. Chan for many helpful discussions. Financial support was provided by NSF grant OCE-9714288 and by NASA grant NAC5-4002. This is GEOPIG contribution 162.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.