Effects of ZnO nanoparticles and Zn2 + on fluvial biofilms and the related toxicity mechanisms
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- 作者：Yi Xua ; b ; Chao Wanga ; b ; Jun Houa ; b ; hhuhjyhj@126.com" class="auth_mail" title="E-mail the corresponding author ; Shanshan Daia ; b ; Peifang Wanga ; b ; pfwang2005@hhu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Lingzhan Miaoa ; b ; Bowen Lva ; b ; Yangyang Yanga ; b ; Guoxiang Youa ; b
- 关键词：ZnO nanoparticles ; Zn2 ; + ; ; Fluvial biofilm ; Toxicity mechanisms
- 刊名：Science of the Total Environment
- 出版年：2016
- 出版时间：15 February 2016
- 年：2016
- 卷：544
- 期：Complete
- 页码：230-237
- 全文大小：1045 K
文摘
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Fluvial biofilm was exposed to ZnO NPs and the dissolved Zn2 +.
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Chl-a and ФM decreased at high doses (100 and 7.85 mg/L of ZnO NPs and Zn2 +).
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A shift in the algae community composition was observed at high dosage levels.
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The enhanced production of ROS declined the bacteria viability.
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Zn2 + was more toxic than that of the ZnO-NPs.