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Exploring the environmental fate of novel brominated flame retardants in a sediment-water-mudsnail system: Enrichment, removal, metabolism and structural damage
Wang, Yawen1,2; Ling, Siyuan1; Lu, Cong1,3; Jiang, Lingling1; Zhou, Shanqi1; Fu, Mengru1; Zhang, Wei1,2; Lin, Kuangfei1; Zhou, Bingsheng4
Corresponding AuthorZhang, Wei(wzhang@ecust.edu.cn)
2020-10-01
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume265Pages:9
AbstractNovel brominated flame retardants (NBFRs) are now ubiquitous in the environment with the extensive production and application. In the present study, pentabromotoluene (PBT), hexabromobenzene (HBB) and decabromodiphenyl ethane (DBDPE) were spiked into the sediments where mudsnails (Bellamya aeruginosa) were cultivated. In the 35-day enrichment process, the highest concentration of the three NBFRs measured in mudsnail is 2.0 mg/kg, 22 mg/kg and 5.2 mg/kg dry weight (dw), respectively. The average enrichment of NBFRs in viscera was about 3 times of pleopod with the same mass. Meanwhile, the parent mudsnails can transfer NBFRs to their offspring. The removal half-life of the three NBFRs was in the range of 2.6 and 5.7 days according to the first-order kinetic equation. Several degradation products of the NBFRs were detected in mudsnail samples, which were exposed to single substance. 2,4,6-tribromotoluene was identified as degradation product of PBT; 1,2,4,5-tetrabromobenzene and 1,2,4-tribromobenzene were identified as debromination products of HBB. Possible degradation pathways were further proposed. Additionally, mudsnails after exposed to 50 mg/kg of NBFRs were observed under a scanning electron microscope, indicating that shrinkage, tissue hyperplasia and perforation occurred on the visceral surface. Such damage might be related to the accumulation of more pollutants in mudsnails viscera. As one of the few studies to explore the biological process of NBFRs, our observation could provide a scientific basis for evaluating the environmental risks of NBFRs to benthic organisms. (C) 2020 Elsevier Ltd. All rights reserved.
KeywordBioenrichment Metabolism Mudsanil NBFRs Structural damage
DOI10.1016/j.envpol.2020.114924
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China
Indexed BySCI ; SCI
Language英语
Funding ProjectNational Natural Science Foundation of China[21737005] ; National Natural Science Foundation of China[41877124] ; projects of the National Key Research and Development Program of China[2018YFC1800600] ; projects of the National Key Research and Development Program of China[2019YFC1803701] ; projects of the National Key Research and Development Program of China[2016YFD0800405]
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000564558300002
WOS KeywordPOLYBROMINATED DIPHENYL ETHERS ; FRESH-WATER ; BIOACCUMULATION ; PBDES ; SEA ; ORGANOPHOSPHORUS ; SPECTROMETRY ; DISRUPTION ; BDE-209
PublisherELSEVIER SCI LTD
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China ; projects of the National Key Research and Development Program of China
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/38669
Collection水环境工程研究中心_期刊论文
Corresponding AuthorZhang, Wei
Affiliation1.East China Univ Sci & Technol, Sch Resource & Environm Engn, State Environm Protect Key Lab Environm Risk Asse, Shanghai 200237, Peoples R China
2.Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China
3.Shangtex Architectural Design Res Inst, Shanghai 200060, Peoples R China
4.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yawen,Ling, Siyuan,Lu, Cong,et al. Exploring the environmental fate of novel brominated flame retardants in a sediment-water-mudsnail system: Enrichment, removal, metabolism and structural damage[J]. ENVIRONMENTAL POLLUTION,2020,265:9.
APA Wang, Yawen.,Ling, Siyuan.,Lu, Cong.,Jiang, Lingling.,Zhou, Shanqi.,...&Zhou, Bingsheng.(2020).Exploring the environmental fate of novel brominated flame retardants in a sediment-water-mudsnail system: Enrichment, removal, metabolism and structural damage.ENVIRONMENTAL POLLUTION,265,9.
MLA Wang, Yawen,et al."Exploring the environmental fate of novel brominated flame retardants in a sediment-water-mudsnail system: Enrichment, removal, metabolism and structural damage".ENVIRONMENTAL POLLUTION 265(2020):9.
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