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DE-627 |
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20231223084707.0 |
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231223s2005 xx ||||| 00| ||eng c |
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|a pubmed24n0533.xml
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|a (DE-627)NLM159727243
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|a (NLM)16372573
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Basu, S K
|e verfasserin
|4 aut
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|a Effect of sulfidogenic and methanogenic inhibitors on reductive dehalogenation of 2-chlorophenol
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|c 2005
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 02.03.2006
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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|a The potential for reductive dehalogenation of 2-CP in anaerobic batch cultures of fresh-water digested sludge under sulfidogenic and methanogenic conditions was investigated in the presence or absence of respective inhibitors: molybdate and BESA at various concentrations (0 to 10 mM). Triplicate cultures (50% vol/vol) were set-up under an atmosphere of 20% CO2 and 80% N2 in 160 ml serum bottles using anaerobic digester sludge and a mineral medium containing 0.1% yeast extract. The dehalogenation of 2-CP, as well as methanogenesis, occurred at the same rate in the presence or absence of sulphate. Sulphate reduction did not inhibit 2-CP degrading populations. The presence of BESA--a known inhibitor of methane producers partially inhibited methanogenesis and slowed 2-CP dehalogenation at even 1 mM concentration with phenol and acetate accumulation in the cultures. The accumulation was proportional to the increase in concentration of BESA in the system. Molybdate on the other hand completely inhibited both sulphate reduction and 2-CP dehalogenation at a concentration of 10 mM. The dehalogenation of 2-CP continued in the presence of 1 mM molybdate even after the cessation of sulphate reduction indicating that sulphate-reducing bacteria were not directly involved in the dehalogenation of 2-CP in this study. Inhibition of 2-CP dehalogenation and sulphate reduction along with accumulation of propionate at 10 mM molybdate in the cultures strongly suggests that the dehalogenation of 2-CP was more directly linked to syntrophic activity of the mixed culture compared to sulphate reduction
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|a Comparative Study
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Chlorophenols
|2 NLM
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|a Culture Media
|2 NLM
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|a Halogens
|2 NLM
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|a Propionates
|2 NLM
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|a Sewage
|2 NLM
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| 650 |
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|a Sulfates
|2 NLM
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| 650 |
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|a molybdate
|2 NLM
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| 650 |
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|a 14259-85-9
|2 NLM
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| 650 |
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|a Molybdenum
|2 NLM
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| 650 |
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|a 81AH48963U
|2 NLM
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| 650 |
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|a 2-chlorophenol
|2 NLM
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| 650 |
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|a K9KAV4K6BN
|2 NLM
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| 650 |
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|a Methane
|2 NLM
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| 650 |
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|a OP0UW79H66
|2 NLM
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| 700 |
1 |
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|a Oleszkiewicz, J A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sparling, R
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Environmental technology
|d 1993
|g 26(2005), 12 vom: 30. Dez., Seite 1383-91
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
1 |
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|g volume:26
|g year:2005
|g number:12
|g day:30
|g month:12
|g pages:1383-91
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|a GBV_USEFLAG_A
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|a SYSFLAG_A
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|a GBV_NLM
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|a GBV_ILN_350
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|a AR
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|d 26
|j 2005
|e 12
|b 30
|c 12
|h 1383-91
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