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Influence of surfactants on gill physiology and cadmium uptake in perfused rainbow trout gills

Journal Article · · Ecotoxicol. Environ. Saf.; (United States)
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Cadmium transfer through and the retention of metal in perfused gills from rainbow trout (Salmo gairdneri) has been studied in the presence of two detergents, LAS (linear alkylaryl sulphonate) and NP-10EO (nonylphenol ethoxylate). Accordingly, the effects of the metal and the surfactants on gill viability (vascular resistance, oxygen diffusion capacity, sodium net flux) was measured. Cd had no effect on gill viability either at 0.008 or at 9.0 mumol/liter during a 60-min perfusion period. The viability of the gills deteriorated markedly during 60 min of exposure to 100 mumol/liter LAS and to NP-10EO, or to a mixture of 100 mumol/liter surfactant + 8.1-8.3 mumol/liter Cd. LAS, 100 mumol/liter, reduced Cd transfer, whereas NP-10EO had no effect. NP-10EO increased Cd retention in gill tissue. LAS more than doubled Cd transfer through the gills when tested in concentrations expected to be found in a polluted recipient (0.9 micrograms/liter Cd + 0.05 mg/liter LAS). NP-10EO had no effect on the transfer when tested under these environmentally relevant conditions.
Research Organization:
Uppsala Univ., Sweden
OSTI ID:
5318520
Journal Information:
Ecotoxicol. Environ. Saf.; (United States), Journal Name: Ecotoxicol. Environ. Saf.; (United States) Vol. 2; ISSN EESAD
Country of Publication:
United States
Language:
English

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Related Subjects

560305* -- Chemicals Metabolism & Toxicology-- Vertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ALKALI METALS
ANIMAL TISSUES
ANIMALS
AQUATIC ORGANISMS
BIOCHEMICAL REACTION KINETICS
BIOLOGICAL EFFECTS
BODY
CADMIUM
ELEMENTS
FISHES
GILLS
IN VITRO
KINETICS
METALS
PERFUSED TISSUES
POLLUTION
REACTION KINETICS
RESPIRATORY SYSTEM
RETENTION
SODIUM
SURFACTANTS
TISSUES
TROUT
VERTEBRATES
WATER POLLUTION