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硕士生鲁蕾的论文在ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY刊出
发布时间:2015-09-08 15:54:22     发布者:yz     浏览次数:

标题:The combined and second exposure effect of copper (II) and chlortetracycline on fresh water algae, Chlorella pyrenoidosa and Microcystis aeruginosa作者:Lu, Lei; Wu, Yixiao; Ding, Huijun; Zhang, Weihao

来源出版物:ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY卷:40 期:1 页:140-148 DOI:10.1016/j.etap.2015.06.006 出版年:JUL 2015

摘要:In the experiment, Chlorella pyrenoidosa and Microcystis aeruginosa were chosen to test the individual, combined and second exposure effect of Cu2+ and chlortetracycline (CTC). The 96 h EC50s of each test were calculated, with the ranges of 0.972-15.6 mu mol/L (Cu2+),29.5-102.5 mu mol/L (CTC), 14.4-78.9 mu mol/L (mixture). The combined toxicities were evaluated with toxicity units (TU) method. The toxicity of complex of Cu2+ and chlortetracycline was analyzed using concentration addition (CA) model. In the initial test, the combined effect of the two substances was partly additive to C. pyrenoidosa and antagonistic to M. aeruginosa, while in the second exposure test, the combined effect was synergistic to both algae. The biochemical indicators measured in the experiment included chlorophyll fluorescence (Fv/Fm), MDA content, SOD activity and content of soluble proteins. When under combined stress, the biochemical features of both algae were significantly different between the initial test and the second exposure test.

入藏号:WOS:000359175000014

文献类型:Article

语种:English

作者关键词:Chlorella pyrenoidosa, Microcystis aeruginosa, Chlortetracycline, Copper, Second exposure

扩展关键词:ANTIBIOTIC-RESISTANCE; SCENEDESMUS-OBLIQUUS; AGRICULTURAL SOILS; MIXTURE TOXICITY; HEAVY-METALS; CHINA; PHOTOSYNTHESIS; VULGARIS

通讯作者地址:Zhang, Weihao; Wuhan Univ, Coll Resource & Environm Sci, Wuhan 430072, Peoples R China.

电子邮件地址:zhangwh@whu.edu.cn

地址:[Lu, Lei; Wu, Yixiao; Ding, Huijun; Zhang, Weihao] Wuhan Univ, Coll Resource & Environm Sci, Wuhan 430072, Peoples R China.

研究方向:Environmental Sciences & Ecology; Pharmacology & Pharmacy; Toxicology

ISSN:1382-6689

eISSN:1872-7077

影响因子(2014):2.084

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