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Humic Substances as a Mediator for Microbially Catalyzed

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Humic Acid-Oxidizing, Nitrate-Reducing Bacteria in Agricultural Soils - CO

Humic substances as electron acceptors for microbial respiration. (1998). Humic substances as a mediator for microbially catalyzed metal reduction. Acta Hydrochim ...

Electrochemical degradation of humic acid, Science of the Total Environment | 10.1016/S0048-9697(00)00469-1 | DeepDy

Electrochemical degradation of humic acid Motheo, Artur J; Pinhedo, Laerte 2000-06-22 00:00:00 The treatment of natural water for drinking water production goes through the degradation of humic substances. In this study, humic acid, extracted from ...

Microbially Mediated Biodegradation of Hexahydro-1,3,5-Trinitro-1,3,5- Triazine by Extracellular Electron Shuttling Compounds | Applied and .

The potential for humic substances to stimulate the reduction of hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) was investigated. ... Humic substances as a mediator for microbially catalyzed metal reduction. Acta Hydrochim. Hydrobiol. 26: 152-157. OpenUrl ...

Electron shuttling via humic acids in microbial iron(III) reduction in a freshwater sediment | FEMS Microbiology Ecology | Oxford Academ

Abstract. The biological and chemical potential for electron shuttling via humic acids was evaluated by analyzing the depth distribution of humic-acid-reducing ... 1 Introduction Humic substances are a chemically heterogeneous class of polymeric organic ...

Iron Reduction and Soil Phosphorus Solubilization in Humid Tropical Forests Soils: The Roles of Labile Carbon Pools and an Electron Shuttle .

E.J.P. 1987 Rapid assay for microbially reducible ferric iron in aquatic sediments Appl. Environ. Microbiol. 53 1536 1540 ... Phillips, E.J.P., Coates, J.D. 1998 Humic substances as a mediator for microbially catalyzed metal reduction 26 152 157 ...

Humic Substances as a Mediator for Microbially Catalyzed Metal Reduction - Lovley - 1998 - Acta hydrochimica et hydrobiologica - Wiley Online Libra

The potential for humic substances to serve as a terminal electron acceptor in microbial respiration and to function as an electron shuttle between Fe(III)-reducing microorganisms and insoluble Fe(III) oxides was investigated. The Fe(III)-reducing microorganism Geobacter metallireducens ...

Role of Humic-Bound Iron as an Electron Transfer Agent in Dissimilatory Fe(III) Reducti

The dissimilatory Fe(III) reducer Geobacter metallireducens reduced Fe(III) bound in humic substances, ... To determine whether humic substances contain microbially reducible Fe(III), studies were initially conducted with highly purified humic

John D. Coates - Google Scholar Citatio

Humic substances as electron acceptors for microbial respiration DR Lovley, JD Coates, EL Blunt-Harris, EJP Phillips, JC Woodward Nature 382 (6590), 445, 1996 1563 1996 ...

Microbial reduction of Fe(III)-bearing clay minerals in the presence of humic acids | Scientific Repor

Lovley, D. R. et al. Humic substances as a mediator for microbially catalyzed metal reduction. Acta Hydroch. Hydrob. 26, 152–157 (1998). Article ...

Humic Substances as a Mediator for Microbially Catalyzed Metal Reducti

Humic Substances as a Mediator for Microbially Catalyzed Metal Reduction

Electrochemical oxidation of humic acid at the antimony- and nickel-doped tin oxide electro

Aeschbacher M, Sander M, Schwarzenbach R P. Novel electrochemical approach to assess the redox properties of humic substances. ... Hayes L A, Phillips E J P, Coates J D. Humic substances as a mediator for microbially catalyzed metal reduction. Acta ...

Effectiveness of anaerobic iron bio-reduction of jarosite and the influence of humic substances - ScienceDire

Highlights Fe(III) jarosite reduction and Fe(II) solubilization by two cultures is studied. The influence of humic substances in the process was evaluated. The mixed culture reduces 70% of Fe(III) in one week forming Fe(II)-precipitates. S. putrefaciens kept ...

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Humic substances as a mediator for microbially catalyzed metal reduction, 1998, Acta Hydrochimica et Hydrobiologica (26) - 3 Terbuthylazine and surface water: Determination by enzyme immunoassay and gas chromatography/mass spectrometry ...

Why use Humic Substances for Carbon Sequestrati

Why use Humic Substances for Carbon Sequestration Definition of Humic Substances Humic substances (HSs) ... L. A. Hayes, E. J. P. Phillips and J. D. Coates. 1998. Humic substances as a mediator for microbially catalyzed metal reduction. 26, 152-157. ...

Reduction of humic substances and Fe(III) by hyperthermophilic microorganisms - ScienceDire

The ability of hyperthermophilic microorganisms to transfer electrons to humic substances (humics) and other extracellular quinones was evaluated. When H 2 was provided as the electron donor, the hyperthermophile, Pyrobaculum islandicum, transferred electrons ...

(PDF) Influence of the auxin-like activity of humic acid on bio and microbiometric parameters of Pisum sativum L. by in vitro cultures of pea plan

The biological effects of humic substances and phenolic compounds on leaf explants of Nicotiana plumbaginifolia were compared to those of some growth regulators. The results show that the phenolic compounds are more effective on rooting of Nicotiana sp., while ...

Humic Substances as a Mediator for Microbially Catalyzed Metal Reducti

Acta hydrochim. hydrobiol. 26 (1998) 3 152 – 157 153 1 Introduction A recent study demonstrated that two microorganisms, Geobacter metallireducens and Shewanella alga, can use hu-mic substances as electron acceptors to support anaerobic oxi

"Humic Substances as a Mediator for Microbially Catalyzed Metal Reduction" by Derek Lovl

Berkeley Electronic Press Selected Works ... Derek Lovley, Jocelyn L Fraga, Elizabeth L Blunt-Harris, L. A Hayes, et al.. "Humic Substances as a Mediator for Microbially Catalyzed Metal Reduction" Acta Hydrochim Hydrobiol Vol. 26 (1998)

Humus-reducing microorganisms and their valuable contribution in environmental processes | SpringerLi

Lovley DR, Fraga JL, Blunt-Harris EL, Hayes LA, Phillips EJP, Coates JD (1998) Humic substances as a mediator for microbially catalyzed metal ...

Humic Substances Act as Electron Acceptor and Redox Mediator for Microbial Dissimilatory Azoreduction by Shewanella decolorationis S12 -Journal of .

Humic Substances Act as Electron Acceptor and Redox Mediator for Microbial Dissimilatory Azoreduction by Shewanella decolorationis S12 Shewanella ...