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1. Temporal variations of PM2.5-bound organophosphate flame retardants in different microenvironments in Beijing, China, and implications for human exposure

Author:
Zhu, Chaofei,   et al.   ; Wang, Dou; Wang, Pu; Wang, Yiwen; Zhang, Weiwei; Sun, Huizhong; Matsiko, Julius; Zhu, Ying; Li, Yingming; Meng, Wenying; Zhang, Qinghua; Jiang, Guibin;     Show all 12 Authors
Source:
The Science of the total environment 2019 v.666 pp. 226-234
ISSN:
0048-9697
Subject:
air; breathing; electronics; exposure pathways; flame retardants; humans; organophosphorus compounds; particulates; phosphates; risk; seasonal variation; summer; temperature; toddlers; winter; China
Abstract:
... In the present study, the temporal distribution of PM2.5-bound organophosphate flame retardants (OPFRs) was comprehensively investigated in various indoor environments as well as outdoor air in Beijing, China over a one-year period. The mean concentrations of Σ9OPFRs were 22.7 ng m−3 and 1.40 ng m−3 in paired indoor and outdoor PM2.5, respectively. The concentrations of tri-n-butyl phosphate (TNBP ...
DOI:
10.1016/j.scitotenv.2019.02.076

2. Temporal and spatial distribution, sources, and potential health risks of ambient polycyclic aromatic hydrocarbons in the Yangtze River Delta (YRD) of eastern China

Author:
Zhu, Chaofei,   et al.   ; Niu, Shan; Dong, Liang; Zhang, Lifei; Hai, Reti; Huang, Yeru;     Show all 6 Authors
Source:
Chemosphere 2017 v.172 pp. 72-79
ISSN:
0045-6535
Subject:
air; autumn; biomass; cities; coal; combustion; dioxins; gas chromatography-mass spectrometry; human health; particulate emissions; pollution; polycyclic aromatic hydrocarbons; risk; river deltas; China; Yangtze River
Abstract:
... In this study, from July 2011 to June 2012, 31 sampling sites were identified in order to investigate the concentrations and sources of polycyclic aromatic hydrocarbons (PAHs), as well as to evaluate their potential health risks in the cities of Suzhou, Wuxi, and Nantong, which are located in the Yangtze River Delta (YRD). The samples were collected by means of passive air sampling (PAS), and the ...
DOI:
10.1016/j.chemosphere.2016.12.108

3. Trophic transfer of hexabromocyclododecane in the terrestrial and aquatic food webs from an e-waste dismantling region in East China

Author:
Zhu, Chaofei,   et al.   ; Wang, Pu; Li, Yingming; Chen, Zhaojing; Li, Honghua; Ssebugere, Patrick; Zhang, Qinghua; Jiang, Guibin;     Show all 8 Authors
Source:
Environmental science 2017 v.19 no.2 pp. 154-160
ISSN:
2050-7895
Subject:
Ampullariidae; Ctenopharyngodon idella; Pantala; Rattus norvegicus; aquatic ecosystems; aquatic food webs; aquatic organisms; electronic wastes; hexabromocyclododecane; isomers; lipids; rats; soil food webs; terrestrial ecosystems; trophic levels; uncertainty; China
Abstract:
... Trophic transfer of hexabromocyclododecane (HBCD) was investigated in both the terrestrial and aquatic food webs from an e-waste dismantling region in East China. The mean Σ₃HBCD concentrations in the terrestrial species varied from 0.91 (0.16–1.85) ng g⁻¹ lipid weight (lw) in dragonflies (Pantala flavescens) to 40.3 (22.1–51.1) ng g⁻¹ lw in rats (Rattus norvegicus). The isomeric profile indicated ...
DOI:
10.1039/c6em00617e

4. Polychlorinated biphenyls (PCBs) and polybrominated biphenyl ethers (PBDEs) in environmental samples from Ny-Ålesund and London Island, Svalbard, the Arctic

Author:
Zhu, Chaofei,   et al.   ; Li, Yingming; Wang, Pu; Chen, Zhaojing; Ren, Daiwei; Ssebugere, Patrick; Zhang, Qinghua; Jiang, Guibin;     Show all 8 Authors
Source:
Chemosphere 2015 v.126 pp. 40-46
ISSN:
0045-6535
Subject:
bioaccumulation factor; biotransformation; biphenyl; enantiomers; feces; polybrominated diphenyl ethers; polychlorinated biphenyls; reindeer; soil; Arctic region
Abstract:
... Polychlorinated biphenyls (PCBs) and polybrominated biphenyl ethers (PBDEs) were determined in environmental samples collected from Ny-Ålesund and London Island, Svalbard, the Arctic. Total PCB concentrations (∑25PCBs) varied from 0.57 to 2.52ngg−1 dry weight (dw) in soil, 0.30 to 1.16ngg−1dw in plants and 0.56 to 0.98ngg−1dw in reindeer dung. The non-Aroclor congener of CB-11 was predominant in m ...
DOI:
10.1016/j.chemosphere.2015.01.043

5. Concentrations and distributions of Dechlorane Plus in environmental samples around a Dechlorane Plus manufacturing plant in East China

Author:
Zhu, Chaofei,   et al.   ; Zhang, Qinghua; Zhang, Haidong; Wang, Pu; Li, Yingming; Ren, Daiwei; Jiang, Guibin;     Show all 7 Authors
Source:
Science bulletin 2015 v.60 pp. 792-797
ISSN:
2095-9273
Subject:
air; isomers; manufacturing; sediments; soil air; China
Abstract:
... A comprehensive investigation into the occurrence of Dechlorane Plus (DP) in environmental samples around a DP manufacturing plant in East China was performed. The total syn-DP and anti-DP concentrations found in the soil, sediment, active air, and passive air samples were 0.50–2,315pg/g dry weight (dw), 0.32–20.5ng/g dw, 5.52–3,332pg/m3, and 1.00–4,560pg/m3, respectively. There were consistent tr ...
DOI:
10.1007/s11434-015-0768-1

6. Bioconcentration and trophic transfer of polychlorinated biphenyls and polychlorinated dibenzo-p-dioxins and dibenzofurans in aquatic animals from an e-waste dismantling area in East China

Author:
Zhu, Chaofei,   et al.   ; Wang, Pu; Li, Yingming; Chen, Zhaojing; Li, Wenjuan; Ssebugere, Patrick; Zhang, Qinghua; Jiang, Guibin;     Show all 8 Authors
Source:
Environmental science 2015 v.17 no.3 pp. 693-699
ISSN:
2050-7895
Subject:
Carassius; bioaccumulation factor; chlorine; dibenzofuran; eel; electronic wastes; frogs; polychlorinated biphenyls; polychlorinated dibenzodioxins; polychlorinated dibenzofurans; snails; toads; trophic levels; China
Abstract:
... Eight aquatic biota species were collected from an e-waste dismantling area in East China to investigate bioconcentration and trophic transfer of polychlorinated biphenyls (PCBs), polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs). The mean concentrations of PCBs varied widely from 6.01 × 10⁴ to 2.27 × 10⁶ pg per g dry weight (dw). The ∑₂₅PCB concentrations in eels ...
DOI:
10.1039/c5em00028a

7. Occurrence of organochlorine pesticides in the environmental matrices from King George Island, west Antarctica

Author:
Zhu, Chaofei,   et al.   ; Zhang, Qinghua; Chen, Zhaojing; Li, Yingming; Wang, Pu; Gao, Guanjun; Xiao, Ke; Sun, Huizhong; Zheng, Shucheng; Liang, Yong; Jiang, Guibin;     Show all 11 Authors
Source:
Environmental pollution 2015 v.206 pp. 142-149
ISSN:
0269-7491
Subject:
DDE (pesticide); DDT (pesticide); HCH (pesticide); carbon; hexachlorobenzene; lichens; lindane; metabolites; mosses and liverworts; persistent organic pollutants; sediments; soil; Antarctica
Abstract:
... Antarctica is considered as a final sink of many persistent organic pollutants (POPs). This work aims to investigate the levels, distributions and potential sources of organochlorine pesticides (OCPs) with HRGC/HRMS technique. Twenty-three OCPs were measured in various environmental matrices from King George Island, west Antarctica. The total concentrations (Σ23OCPs) were at quite low levels, rang ...
DOI:
10.1016/j.envpol.2015.06.025

8. Preparation of cellulose derived from corn stalk and its application for cadmium ion adsorption from aqueous solution

Author:
Zhu, Chaofei,   et al.   ; Zheng, Liuchun; Dang, Zhi; Zhang, Hui; Yi, Xiaoyun; Liu, Congqiang;     Show all 6 Authors
Source:
Carbohydrate polymers 2012 v.90 no.2 pp. 1008-1015
ISSN:
0144-8617
Subject:
X-ray diffraction; adsorbents; adsorption; aqueous solutions; cadmium; carbon; cellulose; corn stover; crystal structure; energy; ions; nuclear magnetic resonance spectroscopy; scanning electron microscopes; sorption isotherms; stable isotopes
Abstract:
... Cellulose was isolated from corn stalk and modified by graft copolymerization to produce an absorbent material (AGCS-cell), which was characterized by scanning electron microscope and energy disperse spectroscopy (SEM–EDS), X-ray diffraction (XRD) and solid-state CP/MAS ¹³C NMR. The results showed that AGCS-cell had better adsorption potential for cadmium ion than unmodified cellulose because of t ...
DOI:
10.1016/j.carbpol.2012.06.035

9. Polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans and polybrominated diphenyl ethers in sediments and fish species from the Murchison Bay of Lake Victoria, Uganda

Author:
Zhu, Chaofei,   et al.   ; Ssebugere, Patrick; Sillanpää, Mika; Wang, Pu; Li, Yingming; Kiremire, Bernard T.; Kasozi, Gabriel N.; Ren, Daiwei; Shang, Hongtao; Zhang, Qinghua; Jiang, Guibin;     Show all 11 Authors
Source:
The Science of the total environment 2014 v.500-501 pp. 1-10
ISSN:
0048-9697
Subject:
Lates niloticus; Oreochromis niloticus; freshwater fish; gas chromatography; humans; interspecific variation; lifestyle; mass spectrometry; pollutants; polybrominated diphenyl ethers; polychlorinated dibenzodioxins; polychlorinated dibenzofurans; risk; sediments; toxic substances; urbanization; Lake Victoria; Uganda
Abstract:
... Polychlorinated dibenzo-p-dioxins/furans (PCDD/Fs) and polybrominated diphenyl ethers (PBDEs) were analyzed in sediments and fish from the Murchison Bay of Lake Victoria by high resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS). Average concentrations of total (Σ) PCDD/Fs and ΣPBDEs in sediments ranged from 68.8 to 479pgg−1 dry weight (dw) and 60.8 to 179pgg−1 dw, respect ...
DOI:
10.1016/j.scitotenv.2014.08.076

10. Polychlorinated biphenyls in sediments and fish species from the Murchison Bay of Lake Victoria, Uganda

Author:
Zhu, Chaofei,   et al.   ; Ssebugere, Patrick; Sillanpää, Mika; Wang, Pu; Li, Yingming; Kiremire, Bernard T.; Kasozi, Gabriel N.; Ren, Daiwei; Zhu, Nali; Zhang, Haidong; Shang, Hongtao; Zhang, Qinghua; Jiang, Guibin;     Show all 13 Authors
Source:
The Science of the total environment 2014 v.482-483 pp. 349-357
ISSN:
0048-9697
Subject:
Lates niloticus; Oreochromis niloticus; effluents; fish; gas chromatography; health hazards; polychlorinated biphenyls; sediments; spectrometers; Lake Victoria; Uganda
Abstract:
... Polychlorinated biphenyls (PCBs) were determined in sediments and two fish species collected from the Murchison Bay in Lake Victoria, using high resolution gas chromatography coupled to a high resolution mass spectrometer. Total PCB concentrations (Σ18PCBs) varied widely with mean values ranging from 777 to 4325pgg−1 dry weight (dw) for sediments and 80 to 779pgg−1 wet weight (ww) for fish. The PC ...
DOI:
10.1016/j.scitotenv.2014.03.009

11. Removal of cadmium(II) from aqueous solution by corn stalk graft copolymers

Author:
Zhu, Chaofei,   et al.   ; Zheng, Liuchun; Dang, Zhi; Yi, Xiaoyun; Zhang, Hui; Liu, Congqiang;     Show all 6 Authors
Source:
Bioresource technology 2010 v.101 no.15 pp. 5820-5826
ISSN:
0960-8524
Subject:
X-ray diffraction; adsorption; aqueous solutions; cadmium; calorimeters; composite polymers; corn stover; equations; ions; models; nuclear magnetic resonance spectroscopy; pH
Abstract:
... Corn stalk was modified using graft copolymerization to produce absorbent (AGCS), which was characterized by elemental analysis, fourier transform infrared, X-ray diffraction, solid-state CP/MAS ¹³C NMR spectra, thermogravimetric analysis and differential scanning calorimeter. AGCS, having cyano group (-CN) after grafted successfully, exhibits more high adsorption potential for Cd(II) than unmodif ...
DOI:
10.1016/j.biortech.2010.03.013
PubMed:
20335027

12. Polychlorinated biphenyls and hexachlorocyclohexanes in sediments and fish species from the Napoleon Gulf of Lake Victoria, Uganda

Author:
Zhu, Chaofei,   et al.   ; Ssebugere, Patrick; Sillanpää, Mika; Kiremire, Bernard T.; Kasozi, Gabriel N.; Wang, Pu; Sojinu, Samuel O.; Otieno, Peter O.; Zhu, Nali; Zhang, Haidong; Shang, Hongtao; Ren, Daiwei; Li, Yingming; Zhang, Qinghua; Jiang, Guibin;     Show all 15 Authors
Source:
The Science of the total environment 2014 v.481 pp. 55-60
ISSN:
0048-9697
Subject:
Codex Alimentarius; Food and Agriculture Organization; HCH (pesticide); Lates niloticus; Oreochromis niloticus; World Health Organization; diet; feeding behavior; fish; gas chromatography; humans; isomers; lipids; maximum residue limits; muscles; particle size; phytoplankton; polychlorinated biphenyls; sediments; spectrometers; trophic levels; zooplankton; Lake Victoria; Uganda
Abstract:
... Polychlorinated biphenyls (PCBs) and hexachlorocyclohexanes (HCHs) were analyzed in surface sediments (<30cm depth) and two fish species: Nile perch (Lates niloticus) and Nile tilapia (Oreochromis niloticus). The samples were collected from the Napoleon Gulf on the northern shore of Lake Victoria. The analysis was done using a gas chromatograph (GC) coupled to a high resolution mass spectrometer f ...
DOI:
10.1016/j.scitotenv.2014.02.039