Bulletin of Environmental Contamination and Toxicology
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Chronic toxicity of erythromycin thiocyanate to Daphnia magna in a flow-through, continuous exposure test system.
Approval of a new animal drug application for AQUAMYCIN 100(®) (erythromycin thiocyanate; ET) to treat freshwater salmonid species with bacterial kidney disease is being pursued in the US. As part of the approval process, ET's impact on an aquatic environment had to be described in...
Distribution and accumulation of metals in soils and plant from a lead-zinc mineland in Guangxi, South China.
Six kinds of metals were measured in soils and plant from the Siding Pb-Zn mineland, South China, to investigate the pollution and restoration technique. The mean Pb, Zn, Fe, Mn, Cu and Cr contents in soils were 5,215 ± 642, 13,352 ± 1,242, 24,755 ± 2,475, 438 ± 52, 67 ...
Some heavy metals accumulation in tissues in Capoeta umbla (Heckel, 1843) from Uzuncayir Dam Lake (Tunceli, Turkey).
Concentrations of metals were determined in the gills, liver, kidney, heart and muscle in Capoeta umbla caught from six stations from the Munzur River system. Metal concentrations in the tissues tended to vary significantly among stations (p < 0.05). Liver (Cu, 10.10 ± 0.23-23.0...
Lead levels in breast milk, blood plasma and intelligence quotient: a health hazard for women and infants.
Lead levels in human breast milk and blood plasma or serum were analyzed and qualitatively their intelligence quotient (I.Q.) studied. Samples at different stages of lactation, from 5 days to 51 weeks post partum, were collected from 25 healthy breast-feeding mothers in Ranipet Ind...
Comparative study of mercury accumulation in two fish species, (Cyprinus carpio and Sander lucioperca) from Anzali and Gomishan wetlands in ...
Anzali and Gomishan wetlands are considered as two of the most important wetlands in southern coast of Caspian Sea. To investigate mercury accumulation in these ecosystems, total mercury concentrations were measured in the muscle tissue of two fish species. Higher mercury concentrati...
Polychlorinated biphenyls in sediments from Ghar El Melh lagoon, Tunisia.
The concentrations of 20 Polychlorinated biphenyls (PCBs) were determined in 12 superficial sediments collected from The Ghar El Melh lagoon. Sediment samples were extracted by Soxhlet and analyzed by Gas chromatography with electron capture detector. The concentrations of PCBs, as s...
Persistence and dissipation of fluopicolide in/on grape berries and soil under semi arid tropical climatic conditions of India.
Fluopicolide, a relatively new fungicide is used for control of downy mildew of grape. Persistence study of fluopicolide was carried out on grape berries following treatment of the combination product, fluopicolide 4.44% + fosetyl aluminium 66.7% (Profiler 71.14 WG) at the recommended and double t...
Acute toxicity of the dissociating veterinary antibiotics trimethoprim to Willow trees at varying pH.
The willow tree acute toxicity test was applied to determine the acute toxicity of the neutral and the ionic form of the antibiotic trimethoprim (TMP) to trees. The pKa of the weak base TMP is at 7.2, and the toxicity testing was done at low (pH 4.3), medium (pH 6.4) and high pH (pH 8.15). The test...
Estrogenic response in male bullfrog (Rana catesbeiana) hepatocytes after single or combined exposure to cadmium (Cd) and 17beta-estradiol (...
We investigated the estrogenic effects of cadmium (Cd) administration alone and in combination with 17beta-estradiol (E2) on the hepatocytes of male Bullfrog (Rana catesbeiana). Their vitellogenin (VTG) expression and reactive oxygen species (ROS) were analyzed upon exposure to Cd alone or to both C...
Effects of glyphosate and 2,4-D on earthworms (Eisenia foetida) in laboratory tests.
Laboratory tests were conducted to compare the effects of various concentrations of glyphosate and 2,4-D on earthworms (Eisenia foetida) cultured in Argissol during 56 days of incubation. The effects on earthworm growth, survival, and reproduction rates were verified for different ex...