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Gamma Radiation Treatment for Reducing Cytotoxicity and Mutagenicity in Industrial Wastewater
Munawar Iqbal1, Mazhar Abbas2, Muhammad Arshad2, Tariq Hussain3, Aman Ullah Khan4, Nasir Masood5, Muhammad Asif Tahir6, Syed Makhdoom Hussain7, Tanveer Hussain Bokhari8, Rasheed Ahmad Khera6
 
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1National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar-25120, Pakistan
2Department of Basic Sciences, Biochemistry Section, College of Veterinary and Animal Sciences,
Jhang Campus-35200, Pakistan
3Department of Basic Sciences, Pharmacology Section, College of Veterinary and Animal Sciences,
Jhang Campus-35200, Pakistan
4Department of Pathobiology/Microbiology, College of Veterinary and Animal Sciences, Jhang Campus-35200, Pakistan
5Department of Environmental Sciences, COMSATS Institute of Information Technology, Vehari-61100, Pakistan
6Department of Chemistry, University of Agriculture, Faisalabad-38040, Pakistan
7Department of Zoology, Government College University, Faisalabad, Pakistan
8Department of Chemistry, Government College University, Faisalabad-38000, Pakistan
Publish date: 2015-11-27
Submission date: 2015-05-26
Final revision date: 2015-08-26
Acceptance date: 2015-08-27
 
Pol. J. Environ. Stud. 2015;24(6):2745–2750
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ABSTRACT
Our study evaluates the effect of gamma radiation treatment on detoxification of textile effluents. The effluents were tested for cytotoxicity and mutagenicity using Allium cepa, heamolytic, brine shrimp, and Ames tests before and after gamma radiation treatment. The collected wastewater samples were irradiated to the absorbed doses of 5kGy, 10kGy, and 15kGy, and subjected to toxicity tests. The gamma radiation showed promising efficiency for detoxification of pollutants in wastewater. The microbial load was reduced to zero, and increases in root length (RL) and root count (RC) were 31.10% and 38.34%, respectively, at 5 kGy. The reduction in cytotoxicity was recorded to be 39.56%, 49.65%, and 79.63% in the case of human and sheep red blood cells (RBC) and brine shrimp, respectively. Before treatment, the samples were mildly mutagenic and after treatment mutagenicity was not detected. Results showed that gamma radiation has promising efficiency for the degradation of toxic agents present in effluents.
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