Bioavailability of organochlorine compounds in aqueous suspensions of fullerene: evaluated with medaka (Oryzias latipes) and negligible depletion solid-phase microextraction.
In a series of size classes of fathead minnow, bioconcentration kinetics and bioconcentration factors of five polychlorinated benzenes and biphenyls are weight related. A simple bioaccumulation model for hydrophobic chemicals in fish is presented that is based on diffusive mass transfer. The model contains physical-chemical and size-related parameters. The model calculations are in good agreement with experimental values from the literature for uptake and elimination rate constants. The model, however, partly explains the observed size and octanol/water partition coefficient (Kow) related uptake and elimination rate constants in the present study with juvenile fathead minnow. Physiological factors other than sizerelated parameters, such as uptake by skin, are suggested to be important as well. The main fishrelated parameters are (gill) exchange surface area and lipid content; the main physical-chemical parameters are KO, and molecular weight.