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Open AccessLarge contribution of fossil-derived components to aqueous secondary organic aerosols in China
Incomplete understanding of the sources of secondary organic aerosol (SOA) leads to large uncertainty in both air quality management and in climate change assessment. Chemical reactions occurring in the atmosp...
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Article
Polychlorinated biphenyls and their hydroxylated metabolites in the serum of e-waste dismantling workers from eastern China
A number of studies have reported on the exposure of e-waste dismantling workers to significantly high concentrations of halogenated organic pollutants such as polychlorinated biphenyls (PCBs) and polybrominat...
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Article
Open AccessThe Potential of Alkyl Amides as Novel Biomarkers and Their Application to Paleocultural Deposits in China
A series of alkyl amides was detected and identified in the sedimentary record from an archaeological site at Yuchisi, Mengcheng, Anhui, China. The alkyl amides profiles change abruptly at the depth correspond...
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Article
Airborne polybrominated diphenyl ethers (PBDEs), polybrominated dibenzo-p-dioxins/furans (PBDD/Fs), and dechlorane plus (DP) in concentrated vehicle parking areas
This study investigated polybrominated diphenyl ethers (PBDEs), polybrominated dibenzo-p-dioxins/furans (PBDD/Fs), and dechlorane plus (DP) in air around three concentrated vehicle parking areas (underground, ind...
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Article
Levels and distributions of polybrominated diphenyl ethers, hexabromocyclododecane, and tetrabromobisphenol A in sediments from Taihu Lake, China
The concentrations and distribution of polybrominated diphenyl ethers (PBDEs), hexabromocyclododecane (HBCD), and tetrabromobisphenol A (TBBPA) were investigated in 28 sediment samples collected from Taihu Lak...
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Article
Measurement of aerosol effective density by single particle mass spectrometry
Single particle mass spectrometry has been widely used to determine the size and chemical compositions of atmospheric aerosols; however, it is still rarely used for the microphysical properties measurement. In...
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Article
Distribution of polybrominated diphenyl ethers and HBCD in sediments of the Hunhe River in Northeast China
Forty surface sediment samples from the Hunhe River in Northeast China were evaluated for contamination by polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecane (HBCD). The results showed that deca...
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Article
Enantiomeric composition of polycyclic musks in sediments from the Pearl River and Suzhou Creek
Due to differences in stereostructure, enantiomeric compositions and enantiomeric ratios (ERs) of chiral compounds can be used to discriminate environmental processes such as abiotic and biotic degradation/tra...
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Article
Comparison of elemental and black carbon measurements during normal and heavy haze periods: implications for research
Studies specifically addressing the elemental carbon (EC)/black carbon (BC) relationship during the transition from clean-normal (CN) air quality to heavy haze (HH) are rare but have important health and clima...
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Article
Biological monitoring of environmental exposure to polycyclic aromatic hydrocarbons in subjects living in the area of recycling electronic garbage, in Southern China
The study was undertaken to evaluate the environmental exposure to polycyclic aromatic hydrocarbons in subjects living in the area of recycling electronic garbage in Southern China and research the influence o...
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Article
Molecular characterization of sulfur compounds in some specieal sulfur-rich Chinese crude oils by FT-ICR MS
Routine GC/MS analysis may apply to the volatilized Low-Molecular-Weight compounds in saturate and aromatic hydrocarbon fractions; thus, relative studies using this technique inevitably bring about some limita...
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Article
Identification and formation of sulfur-containing steroids in sulfur-rich heavy oils in the **xian Sag, Bohai Bay Basin, North China
High abundant sulfur-containing steroids were identified and detected in saturate hydrocarbon fractions of heavy oil with a high sulfur content in the **xian Sag, Bohai Bay Basin, North China. These sulfur-co...
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Article
Characteristics, loss and gain of atmospheric carbonyl compounds in winters of 2008–2010 in Pearl River Delta region, China
Formaldehyde (HCHO), acetaldehyde (CH3CHO) and acetone (CH3COCH3) were measured at Wanqingsha (WQS) in south China during November-December 2008–2010. Carbonyl compound pollution characteristics under the influen...
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Article
Tissue concentrations, bioaccumulation, and biomagnification of synthetic musks in freshwater fish from Taihu Lake, China
Synthetic musks are ubiquitous pollutants in aquatic environments. As hydrophobic chemicals, they can accumulate in terrestrial and aquatic organisms. Investigations into the bioaccumulation of these chemicals...
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Article
Water quality criteria for 4-nonylphenol in protection of aquatic life
Here reproduction and death toxicity data were selected for 4-nonylphenol based on endocrine disrupting properties of the reproductive system. Assessment factor (AF) and species sensitivity distribution (SSD) ...
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Article
Contamination, source identification, and risk assessment of polycyclic aromatic hydrocarbons in agricultural soil of Shanghai, China
The level, distribution, compositional pattern, and possible sources of polycyclic aromatic hydrocarbons (PAHs) in agricultural soil of Shanghai were investigated. The concentrations ranged from 140.7 to 2,370...
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Article
Levels and Congener Profiles of Particle-bound Polybrominated Dibenzo-p-dioxins/furans (PBDD/Fs) in Ambient Air around Guangzhou, China
The mean particulate polybrominated dibenzo-p-dioxins/furans (PBDD/Fs) levels for Guangzhou were in the range of 225–2244 fg/m3 and showed the spatial trend of background < suburb areas < urban area < industrial ...
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Article
Polycyclic aromatic hydrocarbons in the atmosphere of Shanghai, China
Shanghai is the largest industrial and commercial city in China, and its air quality has been concerned for several years. However, scarce study had been made on the seasonal levels of atmospheric polycyclic a...
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Article
Occurrence and distribution of polycyclic aromatic carbons in sludges from wastewater treatment plants in Guangdong, China
In this study, the occurrence and distribution of polycyclic aromatic hydrocarbons (PAHs) were investigated in six sludge samples collected from Guangdong Province, China. Concentrations of PAHs varying from 2...
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Article
Open AccessResearch on flux of dry atmospheric falling dust and its characterization in a subtropical city, Guangzhou, South China
Guangzhou is the central city in the Pearl River Delta (PRD), China, and is one of the most polluted cities in the world. To characterize the ambient falling dust pollution, two typical sampling sites: urban (...