Time dependent cadmium uptake by fathead minnows (Pimephales promelas) during field and laboratory exposure |
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Authors: | Jacquelyn F Sullivan Brian R Murphy Gary J Atchison Alan W McIntosh |
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Institution: | (1) Bionucleonics Department, School of Pharmacy and Pharmacal Sciences, Purdue University, 47907 W. Lafayette, IN |
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Abstract: | Fathead minnows (Pimephales promelas) exposed to 2.5 ppb cadmium in an industrially contaminated lake accumulated whole body burdens of 3.19 ppm Cd in 12 hours, while minnows exposed to 48 ppb Cd in a continuous flow laboratory system did not reach comparable levels until the eighth day of exposure. Significant whole body accumulation of Cd (approximately 9 ppm) peaked within 17–20 days of exposure in the laboratory. |
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Keywords: | Heavy metal pollution bioaccumulation cadmium |
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