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:: Volume 4, Issue 4 (Spring 2015) ::
J. Aqu. Eco. 2015, 4(4): 115-110 Back to browse issues page
Effect of lethal concentration of Nano Silver in Aphanius dispar
Sajedeh Mazarei , Mir Masoud Sajjadi *, Iman Sourinejad , Seyed Ali Johari , Mohammad Asadi
Abstract:   (3330 Views)
Rising trend of production and use of nanoparticles can lead to the possibility of their release into aquatic environments. Therefore, knowing toxic effects of these materials on aquatic organisms is of great importance. The objective of this research was to study the acute toxicity of colloidal silver nanoparticles (CAgNPs) through determining the lethal concentrations in the euryhaline teleost, Aphanius dispar. Toxicology experiments were conducted for 96 h in freshwater according to the OCED 203 standard protocol. Fish mortality was recorded every 24 h after exposure to concentrations of CAgNPs 0, 5, 10, 20, 30, 40 and 50. The actual concentration of silver in each aquarium was measured by atomic absorption and based on the actual concentration data on mortality were analyzed using the US EPA Probit analysis program. Based on the results, the estimated 96h LC50 of CAgNPs was 10.631 mg/L. Accordingly, the tested CAgNPs should be classified according to GHS (Globally Harmonized System of Classification and Labeling of Chemicals) as “category acute 3” for Aphanius dispar this means that presence of CAgNPs in the environment of this fish is detrimental and, therefore, its release into the aquatic ecosystem should be carefully considered.
Keywords: Aphanius dispar, Colloid, Lethal concentration, Silver nanoparticles
Full-Text [PDF 474 kb]   (825 Downloads)    
Type of Study: Short document | Subject: Special
Received: 2015/04/20 | Accepted: 2015/04/20 | Published: 2015/04/20
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Mazarei S, Sajjadi M M, Sourinejad I, Johari S A, Asadi M. Effect of lethal concentration of Nano Silver in Aphanius dispar. J. Aqu. Eco.. 2015; 4 (4) :115-110
URL: http://jae.hormozgan.ac.ir/article-1-172-en.html
Volume 4, Issue 4 (Spring 2015) Back to browse issues page
نشریه علمی بوم شناسی آبزیان Journal of Aquatic Ecology
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