IHB OpenIR  > 水环境工程研究中心  > 期刊论文
Sorption and degradation of triclosan in sediments and its effect on microbes
Huang, Xiaolong1,2; Wu, Chenxi1; Hu, Hongjuan3; Yu, Yuhe4; Liu, Jiantong1; Wu, CX (reprint author), Donghu South Rd 7, Wuhan 430072, Peoples R China.
2015-06-01
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
ISSN0147-6513
Volume116Pages:76-83
AbstractSorption and degradation behavior of triclosan (TCS) and its effect on microbes were studied in three sediments spiked at different concentration levels (1, 10, and 100 mu g g(-1)). TCS showed a strong affiliation to all the sediments with linear adsorption coefficients (K-d) that varied from 220 to 1092 L g(-1), and the adsorption capacity is related to the total organic carbon (TOC) contents of the sediments. The half-lives of TCS varied from 55 to 239 days, and were longer in sediment with higher Kd. TCS showed minor effect on the activities of fluorescein diacetate hydrolase, dehydrogenase, alkaline phosphatase, and urease in the 1 mu g g(-1) treatment, but at higher levels, a short-term effect was observed followed by a rapid recovery except the urease activity in sediment with the lowest adsorption capacity. PCA plots of phospholipid fatty acid showed that the phenotypic community in sediments with low TOC were more sensitive to TCS. A positive relation between bacterial biomass and total microbial biomass suggests that changes of bacteria biomass were responsible for changes of total microbial biomass in treatments. Denaturing gradient gel electrophoresis analysis of the 16 S rDNA showed that the bacterial community structure deviated further away from the control at higher TCS concentration levels, with similarity coefficients in Un-weighted Pair Group Mathematics Average clustering between control and 100 mu g g(-1) treatment varied from 038 to 0.73. Both degradation rate and toxic effects of TCS decreased in sediment with higher sorption capacity, which can be attributed to a reduced bioavailablity. (C) 2015 Elsevier Inc. All rights reserved.
SubtypeArticle
KeywordTriclosan Sediment Bioavailability Enzyme Activity Microbial Community
Department[Huang, Xiaolong ; Wu, Chenxi ; Liu, Jiantong] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Peoples R China ; [Huang, Xiaolong] Chinese Acad Sci, Grad Univ, Beijing, Peoples R China ; [Hu, Hongjuan] Xuzhou Environm Monitoring Ctr Stn, Xuzhou, Peoples R China ; [Yu, Yuhe] Chinese Acad Sci, Inst Hydrobiol, Key Lab Biodivers & Conservat Aquat Organisms, Wuhan, Peoples R China
DOI10.1016/j.ecoenv.2015.03.002
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Toxicology
WOS SubjectEnvironmental Sciences ; Toxicology
WOS IDWOS:000353313700010
WOS KeywordBIOLOGICAL DEGRADATION ; COMMUNITY COMPOSITION ; TREATMENT PLANTS ; SURFACE WATERS ; RAPID METHOD ; SOILS ; TRICLOCARBAN ; FATE ; ENVIRONMENT ; RESISTANCE
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/23940
Collection水环境工程研究中心_期刊论文
Corresponding AuthorWu, CX (reprint author), Donghu South Rd 7, Wuhan 430072, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
3.Xuzhou Environm Monitoring Ctr Stn, Xuzhou, Peoples R China
4.Chinese Acad Sci, Inst Hydrobiol, Key Lab Biodivers & Conservat Aquat Organisms, Wuhan, Peoples R China
Recommended Citation
GB/T 7714
Huang, Xiaolong,Wu, Chenxi,Hu, Hongjuan,et al. Sorption and degradation of triclosan in sediments and its effect on microbes[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2015,116:76-83.
APA Huang, Xiaolong,Wu, Chenxi,Hu, Hongjuan,Yu, Yuhe,Liu, Jiantong,&Wu, CX .(2015).Sorption and degradation of triclosan in sediments and its effect on microbes.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,116,76-83.
MLA Huang, Xiaolong,et al."Sorption and degradation of triclosan in sediments and its effect on microbes".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 116(2015):76-83.
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