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 پایگاه استنادی علوم جهان اسلام (ISC)

پایگاه اطلاعات جهاد دانشگاهی (SID) 

بانک نشریات کشور (مگیران)




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:: Volume 12, Issue 1 (2013) ::
IJFS 2013, 12 Back to browse issues page
Toxicity comparison of colloidal silver nanoparticles in various life stages of rainbow trout (Oncorhynchus mykiss)
S. A. Johari , M. R. Kalbassi * , M. Soltani , I. J. Yu
, kalbassi_m@modares.ac.ir
Abstract:   (16798 Views)
Recognizing the significance of the life stage of fish for nano-eco-toxicological studies, the acute toxicity of colloidal silver nanoparticles (AgNPs) was tested in three different life stages of rainbow trout. Fishes were exposed to colloidal AgNPs at nominal concentrations of 100, 32, 10, 3.2, 1, 0.32, 0.1, and 0.032 mg/L. The estimated 96 hr LC50 values were 0.25, 0.71, and 2.16 mg/L for the eleutheroembryos, larvae and juveniles, respectively, revealing a higher sensitivity for the early life stages. In addition, a dose-dependent blood plasma reduction of chloride and potassium, also increase of cortisol and cholinesterase were observed in the juveniles to exposed AgNPs when compared to the controls. Thus, colloidal AgNPs should be classified as “very toxic” and “toxic” to the eleutheroembryo-larva and juvenile stages, respectively, meaning that the release of nanosilver into the aquatic envi‌ronment or its direct application as an antimicrobial agent in aquaculture should no longer be allowed.
Keywords: Silver, Nanoparticles, Nanotoxicology, Rainbow trout, Life stage, Blood plasma
Full-Text [PDF 735 kb]   (7958 Downloads)    
Type of Study: Orginal research papers | Subject: Toxicology
Received: 2013/02/4 | Accepted: 2015/04/12 | Published: 2015/04/12
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Johari S A, Kalbassi M R, Soltani M, Yu I J. Toxicity comparison of colloidal silver nanoparticles in various life stages of rainbow trout (Oncorhynchus mykiss). IJFS 2013; 12 (1) :76-95
URL: http://jifro.ir/article-1-873-en.html

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Volume 12, Issue 1 (2013) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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