نتایج جستجو برای: dehalogenation

تعداد نتایج: 600  

Journal: :Environmental Health Perspectives 1995
T Leisinger S A Braus-Stromeyer

Chlorinated methanes are important industrial chemicals and significant environmental pollutants. While the highly chlorinated methanes, trichloromethane and tetrachloromethane, are not productively metabolized by bacteria, chloromethane and dichloromethane are used by both aerobic and anaerobic methylotrophic bacteria as carbon and energy sources. Some of the dehalogenation reactions involved ...

Journal: :Molecules 2012
Alvaro F Cañete Cristian O Salas Flavia C Zacconi

An efficient indium-mediated dehalogenation reaction of haloaromatics and haloheteroaromatics in ionic liquids has been studied. This method is simple and effective in the presence of [bmim]Br. Furthermore, this methodology is environmentally friendly compared with conventional ones.

Journal: :FEMS microbiology letters 1996
A N Kulakova K A Reid M J Larkin C C Allen L A Kulakov

Rhodococcus rhodochrous NCIMB13064 can dehalogenate and utilise a number of halogenated aliphatic compounds as sole carbon and energy source. Mutants of NCIMB13064 can be easily isolated with an enlarged range of 1-chloroalkane utilising ability. Dehalogenation of 1-chlorononane, 1-chlorodecane and short-chain 1-chloroalkanes (C3-C8) is encoded by the same plasmid pRTL1. However, a different ge...

Journal: :Applied and Environmental Microbiology 1988

1991
Robert S. Kerr Judith L. Sims Joseph M. Suflita Hugh H. Russell

Introduction and large scale production of synthetic halogenated organic chemicals over the last 50 years has resulted in a group of contaminants which tend to persist in the environment and resist both biotic and abiotic degradation. The low solubility of these types of contaminants, along with their toxicity and tendency to accumulate in food chains, make them particularly relevant targets fo...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2013
Taiki Futagami Yuki Morono Takeshi Terada Anna H Kaksonen Fumio Inagaki

Halogenated organic matter buried in marine subsurface sediment may serve as a source of electron acceptors for anaerobic respiration of subseafloor microbes. Detection of a diverse array of reductive dehalogenase-homologous (rdhA) genes suggests that subseafloor organohalide-respiring microbial communities may play significant ecological roles in the biogeochemical carbon and halogen cycle in ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1997
A M Osman S Boeren M G Boersma C Veeger I M Rietjens

The results of this study report the H2O2-driven microperoxidase-8 (MP8)-catalyzed dehalogenation of halophenols such as 4-fluorophenol, 4-chlorophenol, 4-bromophenol, and 2-fluorophenol in alcoholic solvents. In methanol, the conversion of the para-halophenols and 2-fluorophenol to, respectively, 4-methoxyphenol and 2-methoxyphenol, as the major dehalogenated products is observed. In ethanol, ...

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