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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 1 - 8 (8page)
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Corexit 9500 is a dispersant commercially available in Nigeria that is used to change the inherent chemical and physical properties of oil, thereby changing the oil’s transport and fate with potential effects on the environment. The aim of this study was to assess the biochemical (enzymes and electrolyte) toxicity of Corexit 9500 dispersant on the gills, liver and kidney of juveniles of Clarias gariepinus after exposure for 21 days. One hundred sixty fish were used without gender consideration. Range-finding tests were conducted over a 96-h period after acclimatisation of the test organisms in the laboratory. The test organisms (10/treatment) were exposed to Corexit 9500 in the following concentrations—0.00, 0.0125, 0.025 and 0.05 ml/l in triplicate. Twenty-one days later, fish was dissected. 0.5 g from each of the following organs—gills, liver and kidney tissues—was removed, homogenised and tested for enzymes [superoxide dismutase (SOD), catalase (CAT), alanine aminotransferase (ALT), aspartate transaminase (AST), alkaline phosphatase (ALP)], urea, creatinine and electrolytes (sodium (Na+), potassium (K+), chloride (Cl−), bicarbonate (HCO3 −)) following standard methods. In the gills, SOD and ALT to AST ratio were significantly lower than in control while the creatinine was significantly higher in the toxicant. In the kidney, creatinine was significantly higher in fish exposed to the toxicant. In the liver, ALP increased in the toxicant while urea was decreased. The mean electrolyte concentrations (Na+, K+, Cl− and HCO3 −) increased significantly in the concentration of the toxicant (P < 0.05). The alterations observed in the activities of these electrolytes and enzymes indicated that Corexit 9500 interfered with transamination and metabolic functions of the fish.
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참고문헌 (9)
참고문헌 신청
Susanne Pihl Baden / 1982 / Oxygen consumption rate of shrimp exposed to crude oil extract / Marine Pollution Bulletin 13(7):230~233
Taylorharry O / 2019 / Histo-toxicity of Corexit 9500 dispersant on gill and liver of Clarias gariepinus(Burchell 1822) / Asian J Fish Aquat Res 3(1):1~12
Uboh FE / 2011 / Endosulphan-induces renal toxicity independent of the route of exposure in rats / Amer J Biochem Mol Biol 1(4):359~367
Uotila M / 1981 / Two-site sandwich enzyme immunoassay with monoclonal antibodies to human alpha-fetoprotein / J Immuno Meths 42:11~15
USEPA [United states Environmental Protection Agency] / 2010 / EPA response to BP spill in the Gulf of Mexico / US Environment Protection Agency
Taylorharry O / 2019 / Histo-toxicity of Corexit 9500 dispersant on gill and liver of Clarias gariepinus(Burchell 1822) / Asian J Fish Aquat Res 3(1):1~12
Uboh FE / 2011 / Endosulphan-induces renal toxicity independent of the route of exposure in rats / Amer J Biochem Mol Biol 1(4):359~367
Uotila M / 1981 / Two-site sandwich enzyme immunoassay with monoclonal antibodies to human alpha-fetoprotein / J Immuno Meths 42:11~15
USEPA [United states Environmental Protection Agency] / 2010 / EPA response to BP spill in the Gulf of Mexico / US Environment Protection Agency
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