@article {111,
	title = {Trophic transfer of dechloranes in the marine food web of Liaodong Bay, north China.},
	journal = {Environ Sci Technol},
	volume = {48},
	year = {2014},
	month = {2014 May 20},
	pages = {5458-66},
	abstract = {<p>Dechloranes are of particular concern because of their ubiquity in environmental matrices, but little is known about their trophic transfer in aquatic food web. This study investigated the trophic transfer of seven dechloranes in a marine food web from Liaodong Bay, China. Dechloranes were determined in sediments and 15 marine species including benthic invertebrates, fish and gulls collected from Liaodong Bay. Biomagnification factors (BMFTL) of dechloranes in black-headed gulls were calculated to be 6.4, 1.7, 0.45, 0.36, 0.14, and 0.11 for mirex, Dechlorane 602 (Dec 602), Dechlorane 603 (Dec 603), antiundecachloropentacyclooctadecadiene (anti-Cl11DP), syn-dechlorane plus (syn-DP), and anti-DP. Significantly positive relationships were found between lipid equivalent concentrations of mirex, Dec 602, and anti-Cl11DP and trophic levels, and the trophic magnification factors (TMFs) were 13, 3.7, and 5.6, respectively, indicating that these compounds undergo trophic magnification in the aquatic food web. Lipid equivalent concentrations of Dec 603 and DP isomers did not exhibit a statistically significant correlation with trophic levels. The relatively low trophic magnification potentials of Dec 603 and DP isomers were possibly due to their extreme hydrophobicity (logKOW: 11.2-11.3) and subsequent low bioavailabilities compared with mirex (7.0), Dec 602 (8.1) and anti-Cl11DP. The results provided important information for understanding the ecological risk of dechloranes.</p>},
	keywords = {Animals, Aquatic Organisms, Bays, Charadriiformes, China, Environmental Monitoring, Fishes, Food Chain, Geologic Sediments, Hydrocarbons, Chlorinated, Invertebrates, Ontario, Regression Analysis, Water Pollutants, Chemical},
	issn = {1520-5851},
	doi = {10.1021/es500229y},
	author = {Peng, Hui and Wan, Yi and Zhang, Kun and Sun, Jianxian and Hu, Jianying}
}
@article {121,
	title = {Molecular and physiological characterization of fluoroquinolone resistance in relation to uropathogenicity among Escherichia coli isolates isolated from Wenyu River, China.},
	journal = {Chemosphere},
	volume = {87},
	year = {2012},
	month = {2012 Mar},
	pages = {37-42},
	abstract = {<p>Increasing antibacterial resistance and pathogenicity in the environment is of growing concern due to its potential human risk. In the present study, 236 Escherichia coli isolates were collected from Wenyu River in China on drugless (48 isolates) and quinolone-containing plates (189 isolates). Their minimum inhibitory concentrations (MICs) were determined ranging from 0.125 μg mL(-1) to 128 μg mL(-1). Mutation points related to fluoroquinolone resistance were observed at S83 to L and D87 to N or Y in the GyrA subunit and S80 to R or I and E84 to G in the ParC subunit. Generally, MICs of LEV and GAT are dependent on the patterns of these mutation points. The profile with three mutation points was related to LEV-resistant E. coli isolates, and the (S83L, D87N+S80I) mutation profile was most prevalent (65.7\%) in LEV-resistant isolates, while a large proportion of isolates, even those with three mutation points, were susceptive to GAT. The incidence of virulence factors in LEV-resistant isolates (44.7\%, 59/132) was much higher than in nonresistant isolates (23.1\%, 24/104) (χ(2)=11.925, 1{\textdegree} of freedom, p\&lt;0.001) indicating that fluoroquinolone-resistant E. coli would pose a potential risk. A similar distribution was also found in isolates resistant to GAT (χ(2)=7.843, 1{\textdegree} of freedom, p=0.0079).</p>},
	keywords = {Anti-Bacterial Agents, China, Drug Resistance, Bacterial, Escherichia coli, Fluoroquinolones, Rivers, Water Pollutants, Chemical},
	issn = {1879-1298},
	doi = {10.1016/j.chemosphere.2011.11.050},
	author = {Sun, Jianxian and Hu, Jianying and Peng, Hui and Shi, Jiachen and Dong, Zhaomin}
}
