ArticleBiodegradation2015
The Gibbs free energy of formation of halogenated benzenes, benzoates and phenols and their potential role as electron acceptors in anaerobic environments.
Article in Biodegradation, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 34 citations in OpenAlex.
- Burning question: Rethinking organohalide degradation strategy for bioremediation applications.Microbial biotechnology · 2024Review
- 2,4-Dichlorophenoxyacetic acid degradation in methanogenic mixed cultures obtained from Brazilian Amazonian soil samples.Biodegradation · 2021Article
- Humin Assists Reductive Acetogenesis in Absence of Other External Electron Donor.International journal of environmental research and public health · 2020Article
- Microbial degradation of halogenated aromatics: molecular mechanisms and enzymatic reactions.Microbial biotechnology · 2020Review
- Anaerobic Dechlorination by a Humin-Dependent Pentachlorophenol-Dechlorinating Consortium under Autotrophic Conditions Induced by Homoacetogenesis.International journal of environmental research and public health · 2019Article
- Cobamide-mediated enzymatic reductive dehalogenation via long-range electron transfer.Nature communications · 2017Article
- High yields of hydrogen production induced by meta-substituted dichlorophenols biodegradation from the green alga Scenedesmus obliquus.PloS one · 2012Article
- Group contribution method for thermodynamic analysis of complex metabolic networks.Biophysical journal · 2008Article
- Dehalogenation of the herbicides bromoxynil (3,5-dibromo-4-hydroxybenzonitrile) and ioxynil (3,5-diiodino-4-hydroxybenzonitrile) by Desulfitobacterium chlororespirans.Applied and environmental microbiology · 2005Article
- Characterization of Fe(III) reduction by chlororespiring Anaeromyxobacter dehalogenans.Applied and environmental microbiology · 2003Article
- Characterization and description of Anaeromyxobacter dehalogenans gen. nov., sp. nov., an aryl-halorespiring facultative anaerobic myxobacterium.Applied and environmental microbiology · 2002Article
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Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
Abstract
The sequence of redox reactions in the natural environment generally follows the electron affinity of the electron acceptors present and can be rationalized by the redox potentials of the appropriate half-reactions. Answering the question how halogenated aromatics fit into this sequence requires information on their Gibbs free energy of formation values. In 1992 Gibbs free energy data for various classes of halogenated aromatic compounds were systematically explored for the first time based on Benson's group contribution method. Since then more accurate quantum chemical calculation methods have become available. Here we use these methods to estimate enthalpy and Gibbs free energy of formation values of all chlorinated and brominated phenols. These data and similar state-of-the-art datasets for halogenated benzenes and benzoates were then used to calculate two-electron redox potentials of halogenated aromatics for standard conditions and for pH 7. The results underline the need to take speciation into consideration when evaluating redox potentials at pH 7 and highlight the fact that halogenated aromatics are excellent electron acceptors in aqueous environments.
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