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Sequential dehalogenation of chlorinated ethenes
Environmental Science & Technology, 1986Reductive dehalogenation of tetra- and trichloroethene to cis- and trans-1,2-dichloroethene in microcosms simulating groundwater environment has previously been demonstrated. In this study, anoxic microcosms containing organic sediment and water were spiked to contain 5 mg/L of one of the following compounds: 1,1-dichloroethene (1,1-DCE), cis-1,2 ...
G, Barrio-Lage +3 more
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Biocatalysis by Dehalogenating Enzymes
2007This chapter discusses dehalogenase enzymes and its types. The chapter emphasizes on the microbial origin and distribution of these enzymes, their biochemical properties, and their engineering and use in biocatalysis. Dehalogenases comprise a diverse group of enzymes belonging to different phylogenetic and mechanistic classes.
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The dehalogenation of halouracils by hydroxylamine buffers
Biochemical and Biophysical Research Communications, 1979Abstract At room temperature, hydroxylamine dehalogenates 5-Br-and 5-I-uracil. 5-Cl-uracil reacts to a much less extent. Reaction with 5-F-uracil yields the 6-hydroxyamino-adduct as a product. Kinetics monitored spectrally indicate that dehalogenation involves the formation of a 5-halo-6-hydroxyamino-5, 6-dihydrouracil intermediate which then slowly ...
E G, Sander, J H, Priest, J E, Scheffler
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Environmental Dehalogenation: Chemistry and Mechanism
1998The halogen cycle is one of the great chemical cycles on earth. Haloorganics are both synthesized and destroyed by the chemistry that controls their flux and form. The synthetic leg of the cycle is both biotic and abiotic in nature. The biotic synthesis results primarily from the biochemical activity of marine algae and kelp, although these are by no ...
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Dehalogenation of Polyhalogenated Dioxins
Angewandte Chemie International Edition, 2003openaire +2 more sources
2015
Sponges are filter feeders, ancient animals that have been extremely successful in surviving for over 600 million years almost unchanged. These metazoa can harbor microbes comprising almost 35% of their bodies at densities of 109 cells/g. Sponges are also rich in organohalides, usually with bioactive cytostatic and/or cytotoxic characteristics. Some of
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Sponges are filter feeders, ancient animals that have been extremely successful in surviving for over 600 million years almost unchanged. These metazoa can harbor microbes comprising almost 35% of their bodies at densities of 109 cells/g. Sponges are also rich in organohalides, usually with bioactive cytostatic and/or cytotoxic characteristics. Some of
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