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Article: Kinetics of di-n-butyl phthalate degradation by a bacterium isolated from mangrove sediment

TitleKinetics of di-n-butyl phthalate degradation by a bacterium isolated from mangrove sediment
Authors
KeywordsBiodegradation
Di-n-butyl phthalate
Kinetics
Mechanism
Phthalates
Issue Date2005
PublisherHan'gug Mi'saengmul Saengmyeong Gong Haghoe. The Journal's web site is located at http://www.jmb.or.kr/
Citation
Journal Of Microbiology and Biotechnology, 2005, v. 15 n. 5, p. 946-951 How to Cite?
AbstractBiodegradation of the endocrine-disrupting chemical di-n-butyl phthalate (DBP) was investigated using a bacterium, Pseudomonas fluorescens B-1, isolated from mangrove sediment. The effects of temperature, pH, salinity, and oxygen availability on DBP degradation were studied. Degradation of DBP was monitored by solid-phase extraction using reversed-phase HPLC and UV detection. The major metabolites of DBP degradation were identified as mono-n-butyl phthalate and phthalic acid by gas chromatography-mass spectrometry (GC-MS) and a pathway of degradation was proposed. Degradation by P. fluorescens B-1 conformed to first-order kinetics. Degradation of DBP was also tested in seawater by inoculating P. fluorescens B-1, and complete degradation of an initial concentration of 100 μg/l was achieved in 144 h. These results suggest that DBP is readily degraded by bacteria in natural environments. © The Korean Society for Microbiology and Biotechnology.
Persistent Identifierhttp://hdl.handle.net/10722/150331
ISSN
2015 Impact Factor: 1.685
2015 SCImago Journal Rankings: 0.548
References

 

DC FieldValueLanguage
dc.contributor.authorXu, Xen_HK
dc.contributor.authorLi, Hen_HK
dc.contributor.authorLi, XYen_HK
dc.contributor.authorGu, Jen_HK
dc.date.accessioned2012-06-26T06:03:23Z-
dc.date.available2012-06-26T06:03:23Z-
dc.date.issued2005en_HK
dc.identifier.citationJournal Of Microbiology and Biotechnology, 2005, v. 15 n. 5, p. 946-951en_HK
dc.identifier.issn1017-7825en_HK
dc.identifier.urihttp://hdl.handle.net/10722/150331-
dc.description.abstractBiodegradation of the endocrine-disrupting chemical di-n-butyl phthalate (DBP) was investigated using a bacterium, Pseudomonas fluorescens B-1, isolated from mangrove sediment. The effects of temperature, pH, salinity, and oxygen availability on DBP degradation were studied. Degradation of DBP was monitored by solid-phase extraction using reversed-phase HPLC and UV detection. The major metabolites of DBP degradation were identified as mono-n-butyl phthalate and phthalic acid by gas chromatography-mass spectrometry (GC-MS) and a pathway of degradation was proposed. Degradation by P. fluorescens B-1 conformed to first-order kinetics. Degradation of DBP was also tested in seawater by inoculating P. fluorescens B-1, and complete degradation of an initial concentration of 100 μg/l was achieved in 144 h. These results suggest that DBP is readily degraded by bacteria in natural environments. © The Korean Society for Microbiology and Biotechnology.en_HK
dc.languageengen_US
dc.publisherHan'gug Mi'saengmul Saengmyeong Gong Haghoe. The Journal's web site is located at http://www.jmb.or.kr/en_HK
dc.relation.ispartofJournal of Microbiology and Biotechnologyen_HK
dc.subjectBiodegradationen_HK
dc.subjectDi-n-butyl phthalateen_HK
dc.subjectKineticsen_HK
dc.subjectMechanismen_HK
dc.subjectPhthalatesen_HK
dc.titleKinetics of di-n-butyl phthalate degradation by a bacterium isolated from mangrove sedimenten_HK
dc.typeArticleen_HK
dc.identifier.emailLi, H: hbli2000@yahoo.comen_HK
dc.identifier.emailLi, XY: xlia@hkucc.hku.hken_HK
dc.identifier.emailGu, J: jdgu@hkucc.hku.hk-
dc.identifier.authorityGu, JD=rp00701en_HK
dc.identifier.authorityLi, XY=rp00222en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-27944454366en_HK
dc.identifier.hkuros125589-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-27944454366&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume15en_HK
dc.identifier.issue5en_HK
dc.identifier.spage946en_HK
dc.identifier.epage951en_HK
dc.publisher.placeKorea, Republic ofen_HK
dc.identifier.scopusauthoridXu, XR=7405293882en_HK
dc.identifier.scopusauthoridGu, JD=7403129601en_HK
dc.identifier.scopusauthoridLi, HB=25649944400en_HK
dc.identifier.scopusauthoridLi, XY=26642887900en_HK

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