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Hydrogen thresholds in microbial sys...

Karadagli, Fatih.

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Hydrogen thresholds in microbial systems.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Hydrogen thresholds in microbial systems./
作者:	Karadagli, Fatih.
面頁冊數:	281 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0138.
Contained By:	Dissertation Abstracts International65-01B.
標題:	Environmental Sciences. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3118560

Hydrogen thresholds in microbial systems.
Karadagli, Fatih.

Hydrogen thresholds in microbial systems. - 281 p.

Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0138.

Thesis (Ph.D.)--Northwestern University, 2003.

H2 is the key electron donor for variety of anaerobic microorganisms. H2 threshold has been defined as the minimum concentration allowing a specific microbial activity, e.g. sulfate reduction. Researchers have been measuring H2 thresholds in pure cultures, reactors, aquifers, marine, and freshwater sediments. Although there are a significant number of threshold values in the literature, no study explained why the thresholds are observed or what the basis is for such threshold phenomenon.Subjects--Topical Terms:

676987
Environmental Sciences.

Hydrogen thresholds in microbial systems.
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245 1 0 $a Hydrogen thresholds in microbial systems.
300 $a 281 p.
500 $a Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0138.
500 $a Adviser: Bruce E. Rittmann.
502 $a Thesis (Ph.D.)--Northwestern University, 2003.
520 $a H2 is the key electron donor for variety of anaerobic microorganisms. H2 threshold has been defined as the minimum concentration allowing a specific microbial activity, e.g. sulfate reduction. Researchers have been measuring H2 thresholds in pure cultures, reactors, aquifers, marine, and freshwater sediments. Although there are a significant number of threshold values in the literature, no study explained why the thresholds are observed or what the basis is for such threshold phenomenon.
520 $a In this study, definitions and computation methods for four theoretical H2 thresholds are developed using basic principles of microbial kinetics and thermodynamics. Mathematical modeling is used to design the experimental systems in which existence of each theoretical threshold is tested with an example microorganism (<italic>Methanobacterium bryantii</italic> M.o.H.). The results confirm existence of a specific kinetic (Smin) threshold for each microorganism. The experimental evidence overthrows the conventional computation method of a thermodynamic threshold and replaces it with a new thermodynamic approach that gives accurate thermodynamic threshold values for <italic>M. bryantii</italic> M.o.H. and most potentially for all H 2-consuming microorganisms.
590 $a School code: 0163.
650 4 $a Environmental Sciences. $3 676987
650 4 $a Biology, Microbiology. $3 1017734
650 4 $a Engineering, Environmental. $3 783782
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710 2 0 $a Northwestern University. $3 1018161
773 0 $t Dissertation Abstracts International $g 65-01B.
790 1 0 $a Rittmann, Bruce E., $e advisor
790 $a 0163
791 $a Ph.D.
792 $a 2003
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3118560