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Ecotoxicology and environmental safety v.147, 2018년, pp.110 - 116   SCI SCIE
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Chronic dietary toxicity of zinc oxide nanoparticles in common carp (Cyprinus carpio L.): Tissue accumulation and physiological responses

Chupani, Latifeh (University of South Bohemia in České ); Niksirat, Hamid (Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, Vodňany, Czech Republic ); Velíšek, Josef (University of South Bohemia in České ); Stará, Alžběta (Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, Vodňany, Czech Republic ); Hradilová, Šárka (University of South Bohemia in České ); Kolařík, Jan (Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, Vodňany, Czech Republic ); Panáček, Aleš (University of South Bohemia in České ); Zusková, Eliška (Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Centre of Aquaculture );
  • 초록  

    Abstract Concerns regarding the potential toxic effects of zinc oxide nanoparticles (ZnO NPs) on aquatic organisms are growing due to the fact that NPs may be released into aquatic ecosystems. This study aimed to investigate the effects of dietary exposure to ZnO NPs on juvenile common carp ( Cyprinus carpio ). Fish were fed a spiked diets at doses 50 and 500mg of ZnO NPs per kg of feed for 6 weeks followed by a 2-week recovery period. Fish were sampled every 2 weeks for haematology trends, blood biochemistry measures, histology analyses, and determination of the accumulation of zinc in tissues. At the end of the exposure and post-exposure periods, fish were sampled for an assessment of lipid peroxidation levels. Dietborne ZnO NPs had no effects on haematology, blood biochemistry, and lipid peroxidation levels during the exposure period. After the recovery period, aspartate aminotransferase activity significantly (p Highlights We assessed the effects of dietary exposure of ZnO nanoparticles to carp. We examined zinc accumulation and depuration in different organs. We evaluate morphological and physiological responses to ZnO nanoparticles. Carp could eliminate extra zinc from tissues during exposure period. Zinc elimination may adversely affect functions of kidney and liver.


  • 주제어

    Bioaccumulation .   Blood biochemistry .   Fish .   Histology .   Haematology .   Lipid peroxidation.  

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