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1. Debromination of polybrominated diphenyl ethers (PBDEs) by palladized zerovalent zinc particles: Influence factors, pathways and mechanism

Author:
Xu, Yongye; Liang, Chenghao; Zhang, Taiping; Tao, Xueqin; Wang, Rui; Huang, Kaibo; Pan, Zhaoxi; Dang, Zhi; Yin, Hua; Lu, Guining
Source:
Chemosphere 2020 v.253 pp. 126726
ISSN:
0045-6535
Subject:
polybrominated diphenyl ethers,   etc   ; bromination; pollution; remediation; zinc;     Show all 5 Subjects
Abstract:
... We synthesized a novel material, namely palladized zero-valent zinc (Pd/ZVZ), and investigated its efficiency for the degradation of polybrominated diphenyl ethers (PBDEs). The plated Pd significantly enhances the degradation rate of PBDEs by ZVZ at the optimum loading of 1% by weight. In the Pd/ZVZ system, very few lower BDEs were accumulated during the degradation of 2,2′,4,4′- tetrabromodipheny ...
DOI:
10.1016/j.chemosphere.2020.126726

2. Occurrence and distribution of organophosphate esters in the air and soils of Ny-Ålesund and London Island, Svalbard, Arctic

Author:
Han, Xu; Hao, Yanfen; Li, Yingming; Yang, Ruiqiang; Wang, Pu; Zhang, Gaoxin; Zhang, Qinghua; Jiang, Guibin
Source:
Environmental pollution 2020 v.263 pp. 114495
ISSN:
0269-7491
Subject:
polybrominated diphenyl ethers,   etc   ; esters; organophosphorus compounds; phosphates; soil; soil sampling; Arctic region; Norway;     Show all 8 Subjects
Abstract:
... The levels of eight organophosphate esters (OPEs) were analyzed in air and soil samples collected at Ny-Ålesund and London Island, Svalbard during the Chinese Scientific Research Expedition to the Arctic during 2014–2015. The concentrations of total OPEs (∑OPEs) ranged from 357 pg/m³ to 852 pg/m³ in the air and from 1.33 ng/g to 17.5 ng/g dry weight (dw) in the soils. Non-Cl OPEs accounted for 56  ...
DOI:
10.1016/j.envpol.2020.114495

3. Two-dimensional and Three-dimensional quantitative structure-activity relationship models for the degradation of organophosphate flame retardants during supercritical Water oxidation

Author:
Cheng, Zhiwen; Chen, Qincheng; Cervantes, Sheila; Tang, Qingli; Gao, Xiaoping; Tan, Yujia; Liu, Shiqiang; Ma, Yuning; Shen, Zhemin
Source:
Journal of hazardous materials 2020 v.394 pp. 121811
ISSN:
0304-3894
Subject:
polybrominated diphenyl ethers,   etc   ; carbon; flame retardants; hydrophobicity; organophosphorus compounds; oxidation; quantitative structure-activity relationships;     Show all 7 Subjects
Abstract:
... Organophosphate flame retardants (OPFRs) have been increasingly utilized as flame retardants in various fields due to the phasing out of polybrominated diphenyl ethers. To achieve a better understanding of the degradation of OPFRs undergoing supercritical water oxidation (SCWO) process, two-dimensional and three-dimensional quantitative structure-activity relationship (2D-QSAR and 3D-QSAR) models ...
DOI:
10.1016/j.jhazmat.2019.121811

4. Fate of 4-bromodiphenyl ether (BDE3) in soil and the effects of co-existed copper

Author:
Yao, Yao; Wang, Bin; He, Yujie; Wang, Lianhong; Corvini, Philippe F.-X.; Ji, Rong
Source:
Environmental pollution 2020 v.261 pp. 114214
ISSN:
0269-7491
Subject:
polybrominated diphenyl ethers,   etc   ; biodegradability; carbon dioxide; copper; half life; hydroxylation; metabolism; metabolites; mineralization; risk; soil; toxicity;     Show all 12 Subjects
Abstract:
... The quantitative fate of polybrominated diphenyl ethers (PBDEs) in soil is unknown. Furthermore, the effects of co-contamination by toxic copper on the behavior of PBDEs have not been investigated. Using a ¹⁴C-tracer, we studied mineralization, metabolism, and formation of non-extractable residues (NERs) of one PBDE congener, i.e., the 4-bromodiphenyl ether (BDE3) in oxic soil for 50 days, without ...
DOI:
10.1016/j.envpol.2020.114214

5. Serum elimination half-lives adjusted for ongoing exposure of tri-to hexabrominated diphenyl ethers: Determined in persons moving from North America to Australia

Author:
Sjödin, Andreas; Mueller, Jochen F.; Jones, Richard; Schütze, Andre; Wong, Lee-Yang; Caudill, Samuel P.; Harden, Fiona A.; Webster, Thomas F.; Toms, Leisa-Maree
Source:
Chemosphere 2020 v.248 pp. 125905
ISSN:
0045-6535
Subject:
polybrominated diphenyl ethers,   etc   ; Monte Carlo method; blood serum; half life; humans; students; uncertainty; Australia; United States;     Show all 9 Subjects
Abstract:
... The objective of the study was to determine the human serum elimination half-life of polybrominated diphenyl ethers (PBDEs) adjusted for ongoing exposure in subjects moving from a higher exposure region (North America) to a lower exposure region (Australia).The study population was comprised of exchange students and long-term visitors from North America moving to Brisbane, Australia (N = 27) and l ...
DOI:
10.1016/j.chemosphere.2020.125905

6. Assessing microbial degradation degree and bioavailability of BDE-153 in natural wetland soils: Implication by compound-specific stable isotope analysis

Author:
Wang, Guoguang; Liu, Yu; Tao, Wei; Zhao, Xinda; Wang, Haixia; Lou, Yadi; Li, Na; Liu, Yuxin
Source:
Environmental pollution 2020 v.260 pp. 114014
ISSN:
0269-7491
Subject:
polybrominated diphenyl ethers,   etc   ; bioavailability; biodegradation; carbon; isotope fractionation; isotope labeling; stable isotopes; toxicity; wetland soils;     Show all 9 Subjects
Abstract:
... Microbial degradation is an important pathway for the attenuation of polybrominated diphenyl ethers (PBDEs) in natural soils. In this study, the compound-specific stable isotope analysis (CSIA) was applied to characterize microbial degradation of BDE-153, one of the prevailing and toxic PBDE congeners, in natural wetland soils. During the 45-day incubation, the residual percentages of BDE-153 decr ...
DOI:
10.1016/j.envpol.2020.114014

7. Levels and distribution of polybrominated diphenyl ethers in humans and environmental compartments: a comprehensive review of the last five years of research

Author:
Klinčić, Darija; Dvoršćak, Marija; Jagić, Karla; Mendaš, Gordana; Herceg Romanić, Snježana
Source:
Environmental science and pollution research international 2020 v.27 no.6 pp. 5744-5758
ISSN:
0944-1344
Subject:
polybrominated diphenyl ethers,   etc   ; air; aquatic environment; dust; electronic wastes; flame retardants; landfills; polluted soils;     Show all 8 Subjects
Abstract:
... Polybrominated diphenyl ethers (PBDEs) are a class of brominated flame retardants (BFRs), present in the environment, animals, and humans. Their levels, distribution, and human exposure have been studied extensively, and over the last decade, various legal measures have been taken to prohibit or minimize their production and use due to the increasing amount of evidence of their harmful effects on ...
DOI:
10.1007/s11356-020-07598-7

8. Occurrence, air-sea exchange, and gas-particle partitioning of atmospheric polybrominated diphenyl ethers from East Asia to the Northwest Pacific Ocean

Author:
Wu, Zilan; Lin, Tian; Guo, Tianfeng; Li, Yuanyuan; Li, Zhongxia; Guo, Zhigang
Source:
Chemosphere 2020 v.240 pp. 124933
ISSN:
0045-6535
Subject:
polybrominated diphenyl ethers,   etc   ; absorption; advection; aerosols; air; emissions; seawater; East Asia; East China Sea; Pacific Ocean;     Show all 10 Subjects
Abstract:
... The occurrence, air–sea exchange, and gas–particle partitioning of polybrominated diphenyl ethers (PBDEs) were analyzed during a 2015 research expedition from the East China Sea (ECS) to the open Northwest Pacific Ocean (NWP). The sum of 13 PBDEs (Σ₁₃PBDEs) in air and surface seawater varied in the range of 0.54–14.5.pg m⁻³ and 0.60–13.5 pg L⁻¹, respectively, with the highest concentrations observ ...
DOI:
10.1016/j.chemosphere.2019.124933

9. Responses of plants to polybrominated diphenyl ethers (PBDEs) induced phytotoxicity: A hierarchical meta-analysis

Author:
Sun, Yuan; Wang, Cuiting; Xu, Xuan; Ruan, Honghua
Source:
Chemosphere 2020 v.240 pp. 124865
ISSN:
0045-6535
Subject:
polybrominated diphenyl ethers,   etc   ; ecosystems; ecotoxicology; empirical research; enzyme activity; glutathione transferase; meta-analysis; phytotoxicity;     Show all 8 Subjects
Abstract:
... Biologists have extensively investigated the toxicity of polybrominated diphenyl ethers (PBDEs) on plants in ecosystems, where experiments revealed that PBDEs can promote, inhibit, or have no significant effects on the physiological and biochemical functionality of plants. These studies have stimulated many theoretical works that aimed to elucidate the differences in the toxicity of PBDEs on vario ...
DOI:
10.1016/j.chemosphere.2019.124865

10. Current trends in analytical strategies for the determination of polybrominated diphenyl ethers (PBDEs) in samples with different matrix compositions – Part 2: New approaches to PBDEs determination

Author:
Śmiełowska, Monika; Zabiegała, Bożena
Source:
Trends in analytical chemistry 2020 pp. 115889
ISSN:
0165-9936
Subject:
polybrominated diphenyl ethers,   etc   ; gas chromatography; hemorrhage; liquid chromatography; polymers; screening; signal-to-noise ratio; working conditions;     Show all 8 Subjects
Abstract:
... Herein, we review the latest technical solutions for polybrominated diphenyl ethers (PBDEs) determination in samples with different matrix compositions, largely focusing on gas chromatography but also presenting some liquid chromatography–based solutions. Moreover, we discuss the use of diverse sample injection techniques while considering the advantages and disadvantages of each injection system ...
DOI:
10.1016/j.trac.2020.115889

11. Correction to: Occurrence of polybrominated diphenyl ethers in floor and elevated surface house dust from Shanghai, China

Author:
Niu, Dong; Qiu, Yanling; Li, Li; Zhou, Yihui; Du, Xinyu; Zhu, Zhiliang; Chen, Ling; Lin, Zhifen
Source:
Environmental science and pollution research international 2019 v.26 no.26 pp. 27553
ISSN:
0944-1344
Subject:
polybrominated diphenyl ethers,   etc   ; Internet; dust; China;     Show all 4 Subjects
Abstract:
... The article Occurrence of polybrominated diphenyl ethers in floor and elevated surface house dust from Shanghai, China, written by Dong Niu, Yanling Qiu, Li Li, Yihui Zhou, Xinyu Du, Zhiliang Zhu, Ling Chen and Zhifen Lin, was originally published electronically on the publisher’s internet portal ...
DOI:
10.1007/s11356-019-05988-0
PubMed:
31363967
PubMed Central:
PMC6828364

12. Anaerobic degradation of deca-brominated diphenyl ether contaminated in products: Effect of temperature on degradation characteristics

Author:
Shi, Chen; Hu, Yong; Kobayashi, Takuro; Zhang, Nan; Kuramochi, Hidetoshi; Zhang, Zhenya; Xu, Kai-Qin
Source:
Bioresource technology 2019 v.283 pp. 28-35
ISSN:
0960-8524
Subject:
polybrominated diphenyl ethers,   etc   ; bromine; pH; temperature;     Show all 4 Subjects
Abstract:
... In this study, a 200-day deca-brominated diphenyl ether (deca-BDE) degradation activity experiment was carried out, using consumer-use curtain material as the substrate. During the degradation process, polybrominated diphenyl ether (PBDE) products with fewer bromine atoms were gradually generated by the debromination of deca-BDE. The influences of temperature, initial substrate dosing mass, and pH ...
DOI:
10.1016/j.biortech.2019.03.059

13. Understanding the role of bacterial cellular adsorption, accumulation and bioavailability regulation by biosurfactant in affecting biodegradation efficacy of polybrominated diphenyl ethers

Author:
Ti, Qingqing; Gu, Chenggang; Cai, Jun; Fan, Xiuli; Zhang, Yinping; Bian, Yongrong; Sun, Cheng; Jiang, Xin
Source:
Journal of hazardous materials 2020 v.393 pp. 122382
ISSN:
0304-3894
Subject:
polybrominated diphenyl ethers,   etc   ; adsorption; aerobes; bacteria; bioavailability; biodegradation; biosurfactants; cytotoxicity; fatty acid esters; oxidative stress; pollutants; risk reduction; sucrose; thermodynamics;     Show all 14 Subjects
Abstract:
... Microbiological degradation is often considered as an important strategy to reduce the risks of polybrominated diphenyl ethers (PBDEs), which are environmentally widespread and harmful to human health and wildlife. With the well-identified aerobic bacteria, i.e. B. xenovorans LB400, the biodegradation of 2,2′,4,4′-tetrabrominated diphenyl ether (BDE-47) occurred efficiently in conformity to the fi ...
DOI:
10.1016/j.jhazmat.2020.122382

14. Measuring exposure of e-waste dismantlers in Dhaka Bangladesh to organophosphate esters and halogenated flame retardants using silicone wristbands and T-shirts

Author:
Wang, Yan; Peris, Andrea; Rifat, Mohammad Rashidujjaman; Ahmed, Syed Ishtiaque; Aich, Nirupam; Nguyen, Linh V.; Urík, Jakub; Eljarrat, Ethel; Vrana, Branislav; Jantunen, Liisa M.; Diamond, Miriam L.
Source:
The Science of the total environment 2020 v.720 pp. 137480
ISSN:
0048-9697
Subject:
polybrominated diphenyl ethers,   etc   ; cotton; dermal exposure; developing countries; electronic wastes; equipment; esters; flame retardants; gases; organophosphorus compounds; phosphates; polydimethylsiloxane; Bangladesh;     Show all 13 Subjects
Abstract:
... Silicone (polydimethylsiloxane or PDMS) wristbands and cotton T-shirts were used to assess the exposure of e-waste recyclers in Dhaka, Bangladesh to polybrominated diphenyl ethers (PBDEs), novel brominated flame retardants (NBFRs), dechlorane plus (DPs), and organophosphate esters (OPEs). The median surface-normalized uptake rates of PBDEs, NBFRs, DPs, and OPEs were 170, 8.5, 4.8, and 270 ng/dm²/h ...
DOI:
10.1016/j.scitotenv.2020.137480

15. Human exposure to legacy and emerging flame retardants in indoor dust: A multiple-exposure assessment of PBDEs

Author:
Lee, Hyun-Kyung; Kang, Habyeong; Lee, Sunggyu; Kim, Sunmi; Choi, Kyungho; Moon, Hyo-Bang
Source:
The Science of the total environment 2020 v.719 pp. 137386
ISSN:
0048-9697
Subject:
polybrominated diphenyl ethers,   etc   ; adults; average daily intake; dust; flame retardants; health effects assessments; oral exposure; organophosphorus compounds; toddlers; Korean Peninsula;     Show all 10 Subjects
Abstract:
... Human exposure to flame retardants (FRs) in indoor environments is a growing concern. In this study, the concentrations of polybrominated diphenyl ethers (PBDEs) and their alternatives, such as novel brominated flame retardants (NBFRs), dechlorane plus (DP), and organophosphate flame retardants (OPFRs), were measured in dust from indoor environments in Korea to investigate their occurrence, contam ...
DOI:
10.1016/j.scitotenv.2020.137386

16. Halogenated natural products in birds associated with the marine environment: A review

Author:
de Mello, Flávia V.; Mello, Flávia V.; Kasper, Daniele; Alonso, Mariana B.; Torres, João Paulo M.
Source:
The Science of the total environment 2020 v.717 pp. 137000
ISSN:
0048-9697
Subject:
polybrominated diphenyl ethers,   etc   ; Hydrobates pelagicus; bacteria; blood; eagles; eggs; liver; marine environment; predators; seabirds; toxicology; Canada; Norway; Sweden;     Show all 14 Subjects
Abstract:
... Halogenated natural products (HNPs) are widespread compounds found at high concentrations in top predators such as seabirds. This paper reviews available data on methoxylated polybrominated diphenyl ethers (MeO-BDEs), heptachloro-1′-methyl-1,2′-bipyrrole (Q1) and 1,1′-dimethyl-2,2′-bipyrroles (HDBPs) in these animals. In all, 25 papers reported such HNPs in seabirds. White tailed sea eagle from Sw ...
DOI:
10.1016/j.scitotenv.2020.137000

17. Estimating polybrominated diphenyl ether (PBDE) exposure through seafood consumption in Switzerland using international food trade data

Author:
Bedi, Megha; von Goetz, Natalie; Ng, Carla
Source:
Environment international 2020 v.138 pp. 105652
ISSN:
0160-4120
Subject:
polybrominated diphenyl ethers,   etc   ; adults; databases; dietary surveys; freshwater; humans; markets; salmon; seafood consumption; seafoods; shrimp; statistics; trade; water resources; Switzerland;     Show all 15 Subjects
Abstract:
... Seafood is a major source of human exposure to polybrominated diphenyl ethers (PBDEs). The intake of these globally distributed and bioaccumulative contaminants depends on both consumption patterns (which seafoods are consumed) and on their origins. Here, we investigate exposure to PBDEs through seafood consumption as a function of species, origins and consumption levels. We estimate the contribut ...
DOI:
10.1016/j.envint.2020.105652

18. Rno-miR-224–5p contributes to 2,2′,4,4′-tetrabromodiphenyl ether-induced low triiodothyronine in rats by targeting deiodinases

Author:
Wang, Chao; Zhu, Jiansheng; Zhang, Zhan; Chen, Hang; Ji, Minghui; Chen, Chao; Hu, Yuhuan; Yu, Yongquan; Xia, Rong; Shen, Jiemiao; Gong, Xing; Wang, Shou-Lin
Source:
Chemosphere 2020 v.246 pp. 125774
ISSN:
0045-6535
Subject:
polybrominated diphenyl ethers,   etc   ; databases; dose response; environmental factors; human health; humans; hypothyroidism; metabolism; mitogen-activated protein kinase; phosphorylation; rats; triiodothyronine;     Show all 12 Subjects
Abstract:
... Hypothyroidism is commonly associated with substantial adverse impacts on human health, and polybrominated diphenyl ether (PBDE), a kind of classic thyroid hormone disruptor, was speculated to be a potential environmental factor, but its effect on thyroxine metabolism has received little attention. In the present study, we investigated the role and mechanism of rno-miR-224–5p in deiodinase-mediate ...
DOI:
10.1016/j.chemosphere.2019.125774

19. Lactational exposure of polybrominated diphenyl ethers and its association with infant developmental measurements

Author:
Li, Jialin; Ma, Wenjuan; Zhao, Yingya; Jin, Yuting; Xiao, Xirong; Ge, Wenzhen; Shi, Huijing; Zhang, Yunhui
Source:
Journal of hazardous materials 2020 v.388 pp. 122031
ISSN:
0304-3894
Subject:
polybrominated diphenyl ethers,   etc   ; World Health Organization; boys; breast feeding; bromination; fetal development; girls; head; head circumference; infants; lipids; reference standards;     Show all 12 Subjects
Abstract:
... This study was designed to assess the effect of lactational polybrominated diphenyl ether (PBDE) exposure on early physical development of both healthy and fetal growth restriction (FGR) infants. Z scores of head circumference-for-age (ZHC), length-for-age (ZLEN), weight-for-age (ZWEI) and weight-for-length (ZWFL) were calculated according to the WHO Child Growth Standards. FGR infants had a highe ...
DOI:
10.1016/j.jhazmat.2020.122031

20. The occurrence of polybrominated diphenyl ethers and their metabolites in Portuguese river biota

Author:
Cruz, Rebeca; Marmelo, Isa; Monteiro, Carolina; Marques, António; Casal, Susana; Cunha, Sara C.
Source:
The Science of the total environment 2020 v.713 pp. 136606
ISSN:
0048-9697
Subject:
polybrominated diphenyl ethers,   etc   ; Barbus barbus; estuaries; gas chromatography; mass spectrometry; metabolites; mullet; muscles; pollution; rivers; seafoods; spring; trophic levels; Portugal;     Show all 14 Subjects
Abstract:
... This study focused on the assessment of polybrominated diphenyl ethers (PBDEs) and their methoxylated metabolites (MeO-PBDEs) in estuarine seafood from the main Portuguese river, in order to evaluate their impact in the environment and the safety of consumers' health, thus providing a comparison with other world regions.For the purpose, PBDEs and MeO-PBDEs were determined in several seafood specie ...
DOI:
10.1016/j.scitotenv.2020.136606