Relationship of Toxicokinetic Parameters to Respiration Rates in Mysis Relicta

作者: Peter F. Landrum , William A. Frez , Milagros S. Simmons

DOI: 10.1016/S0380-1330(92)71300-8

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摘要: The uptake of organic xenobiotics from water was compared to the respiration rate Great Lakes invertebrate, Mysis relicta. Xenobiotic clearance with oxygen clearance. Uptake is defined as milliliters stripped contaminant or per mass organism hour. M. relicta were exposed benzo(a)pyrene (BaP) and 2,2′,4,4′,5,5′-hexachlorobiphenyl (HCBP). for Relicta declined logarithmically when measured periods ranging 3 48 h. ranged 1.4 (1.24–1.48) μg O2 mg–1 wet weight h’ a h period 0.25 ± 0.023 • mg−1 h−1 period. Neither presence methanol carrier nor plus produced significant changes in those control organisms lake only. clearances two each inversely correlated weight. slopes regressions not significantly different among measures xenobiotic There near constant ratio 1.25 0.01 (mean SE, n = 29) BaP 1.37 0.12 (r HCBP. These findings suggest that accumulation may be linked

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