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Volume 9, Issue 30 (Autumn 2015)
IJT 2015, 9(30): 1342-1346 |
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Ariyaee M, Hamidian A H, Eagderi S, Ashrafi S, Khazaee M. Comparative Study of Cadmiumand Arsenic Accumulation in Toothed Carp (Aphanius sophiae)in Fresh and Salt Water. IJT 2015; 9 (30) :1342-1346
URL: http://ijt.arakmu.ac.ir/article-1-452-en.html
URL: http://ijt.arakmu.ac.ir/article-1-452-en.html
Masoumeh Ariyaee1 
, Amir Hossein Hamidian * 2, Soheil Eagderi3 , Sohrab Ashrafi1 , Manoochehr Khazaee1
, Amir Hossein Hamidian * 2, Soheil Eagderi3 , Sohrab Ashrafi1 , Manoochehr Khazaee1
1- Department of Environment, University of Tehran, Karaj, Iran.
2- Department of Environment, University of Tehran, Karaj, Iran. ,a.hamidian@ut.ac.ir
3- Department of Fisheries, University of Tehran, Karaj, Iran.
2- Department of Environment, University of Tehran, Karaj, Iran. ,
3- Department of Fisheries, University of Tehran, Karaj, Iran.
Abstract: (4338 Views)
Background: Anthropogenic activities release high concentrations of heavy metals into the aquatic ecosystems, which can be absorbed by the aquatic organisms. In this study, the accu-mulation of cadmium (Cd) and arsenic (As) was compared in liver, gill and muscle tissues of toothed carp (Aphanius sophiae) in fresh and salt water.
Methods: A total of 175 fish samples were collected from the Shoor River, Iran during the spring and summer of 2011. Samples were divided into two groups for salt and freshwater ex-periments. The individuals of each group were also divided into seven groups, a control group and the other six exposed to the concentrations of 5, 10 and 20 mg/L of arsenic and 5, 10 and 20 mg/L of cadmium. The liver, gills and muscle tissues of the specimens were dissected. The tissues were wet digested in acid and the concentrations of metals were measured using an ICP-OES instrument.
Results: The concentrations of both metals were significantly different in various organs in both fresh and salt water and it were in order of liver > gill > muscle (P <0.001). Based on t-test results, no significant difference was observed between the concentrations of As in related tis-sues of fish cultivated in fresh and salt water. However, Cd accumulation was significantly higher in the tissues of fish specimens cultivated in freshwater (P <0.001).
Conclusion: The bioaccumulation of Cd and As depends on organs, metals, and water condi-tion.
Methods: A total of 175 fish samples were collected from the Shoor River, Iran during the spring and summer of 2011. Samples were divided into two groups for salt and freshwater ex-periments. The individuals of each group were also divided into seven groups, a control group and the other six exposed to the concentrations of 5, 10 and 20 mg/L of arsenic and 5, 10 and 20 mg/L of cadmium. The liver, gills and muscle tissues of the specimens were dissected. The tissues were wet digested in acid and the concentrations of metals were measured using an ICP-OES instrument.
Results: The concentrations of both metals were significantly different in various organs in both fresh and salt water and it were in order of liver > gill > muscle (P <0.001). Based on t-test results, no significant difference was observed between the concentrations of As in related tis-sues of fish cultivated in fresh and salt water. However, Cd accumulation was significantly higher in the tissues of fish specimens cultivated in freshwater (P <0.001).
Conclusion: The bioaccumulation of Cd and As depends on organs, metals, and water condi-tion.
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The Iranian Journal of Toxicology
Arak University of Medical Sciences in collaboration with the Iranian Society of Toxicology
Website: http://ijt.arakmu.ac.ir
Email: tox.journal@gmail.com
