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Sources and ecological risk assessment of PAHs in surface sediments from Bohai Sea and northern part of the Yellow Sea, China.
Analysis with sediment quality guidelines (SQGs) indicated that acenaphthylene, fluorene, phenanthrene, fluoranthene, pyrene and dibenzo(a,h)anthracene may occasionally cause adverse biological effects in some stations, suggesting that the combined ecological risk of PAHs was generally low. Expand
Prediction of the bioaccumulation of PAHs in surface sediments of Bohai Sea, China and quantitative assessment of the related toxicity and health risk to humans.
Sensitivity analysis suggested that exposure duration (ED) and PAH concentrations (CS) were the two most sensitive parameters in risk assessment and provided a method to evaluate the quality of sediments and the potential health risk related to PAHs in marine sediments. Expand
Current levels, composition profiles, source identification and potentially ecological risks of polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) in the surface sediments
Primary component analysis (PCA) coupled with multiple linear regression (MLR) revealed that 82.1% of the PCBs in BS came from direct discharge of local anthropogenic activities, 16.3% from surface runoff of contaminated soils and 1.6% from atmospheric deposition. Expand
Dehydroxychlorofusarielin B, an antibacterial polyoxygenated decalin derivative from the marine-derived fungus Aspergillus sp.
A new antibacterial polyoxygenated decalin derivative and the previously described fusarielins A and B have been isolated from the broth of a marine isolate of the fungus Aspergillus, and exhibited a mild antibacterial activity against Staphylococcus aureus, methicillin-resistant S. a Aureus, and multidrug- resistant S.Aureus. Expand
Photodegradation of nonylphenol by simulated sunlight.
4-Nonylcatechol was identified as the intermediate of photodegradation of nonylphenol in natural seawater and the proposed pathway involved a reaction between irradiated NP and the reactive oxygen species that existed in the seawater. Expand
Polychlorinated biphenyls in sediments of the Yellow Sea: distribution, source identification and flux estimation.
PCBs were mainly from atmospheric deposition (84.5%), followed by continental runoff (15.5%) and flux of surface runoff (2.27 ng/L) in YS sediments, which is distinctly influenced by man-made pollution. Expand
Quantitatively assessing the health risk of exposure to PAHs from intake of smoked meats.
This study was the first attempt to provide information on the potential health risk for daily intake of PAH-containing smoked meat in south-west China for eight groups of people based on a Monte Carlo simulation. Expand
Induced production of bromomethylchlamydosporols A and B from the marine-derived fungus Fusarium tricinctum.
The addition of CaBr(2) to the fermentation of a marine-derived Fusarium tricinctum resulted in production of halogenated chlamydosporol analogues. Two new antimicrobial halogenated pyranopyranones,Expand
Chlorohydroaspyrones A and B, antibacterial aspyrone derivatives from the marine-derived fungus Exophiala sp.
The structure and absolute stereochemistry of the compounds were determined on the basis of the physicochemical data analysis and chemical reactions and exhibited a mild antibacterial activity against Staphylococcus a Aureus, methicillin-resistant S. aureus, and multidrug- resistant S.Aureus. Expand
Intensified episodes of East Asian Winter Monsoon during the middle through late Holocene driven by North Atlantic cooling events: High-resolution lignin records from the South Yellow Sea, China
Abstract The varying intensity of the East Asian Winter Monsoon (EAWM) governs the strength of the counter-clockwise surface circulation of the South Yellow Sea and the redistribution of sediment andExpand