EMCB-ENVIS Node ENVIRONMENTAL BIOTECHNOLOGY

EMCB-ENVIS Centre
dimethyltin dichloride and 9 for trimethyltin chloride. The interactive effect of trimethyltin
chloride and cadmium, as well as that of trimethyltin chloride and chromium, was found to be
synergistic. Also found to be synergistic was the interactive effect of trimethyltin chloride with
cadmium and chromium applied together.
S. Hadjispyrou, A. Kungolos, A. Anagnostopoulos. (Laboratory of Inorganic Chemistry,
Department of Chemical Engineering, Aristotle University of Thessaloniki, 540 06,
Thessaloniki, Greece. Department of Planning and Regional Development, University of
Thessaly, 38334, Volos, Greece). Toxicity, Bioaccumulation, and Interactive Effects
of Organotin, Cadmium, and Chromium on Artemia franciscana. Ecotoxicology and
Environmental Safety, 49(2) (2001), 179-186.
The effects of three organotin compounds––trimethyltin chloride, dimethyltin dichloride, and
dibutyltin diacetate––and two heavy metals––cadmium and hexavalent chromium––on Artemia
franciscana mortality are investigated in this study. Of all the compounds tested in this work,
trimethyltin chloride was, by far, the most toxic. The toxicity order for the five compounds was
trimethyltin chloride>potassium dichromate>dimethyltin dichloride>dibutyltin
diacetate>cadmium chloride. The big difference in toxicity between dialkyltin and trialkyltin was
not accompanied by an equally big difference in bioaccumulation. At a Sn concentration in water
of 10 mg/L, the bioconcentration factor was 50 for dimethyltin dichloride and 75 for trimethyltin
chloride. At a Sn concentration in water of 100 mg/L, the bioconcentration factor for 6 for
dimethyltin dichloride and 9 for trimethyltin chloride. The interactive effect of trimethyltin
chloride and cadmium, as well as that of trimethyltin chloride and chromium, was found to be
synergistic. Also found to be synergistic was the interactive effect of trimethyltin chloride with
cadmium and chromium applied together.
S. Teodorova, R. Metcheva, M. Topashka-Ancheva. (Institute for Nuclear Research and
Nuclear Energy, Bulgarian Academy of Sciences, 72 Tzarigradsko chaussee, 1784, Sofia,
Bulgaria. Institute of Zoology, Bulgarian Academy of Sciences, 1 Tzar Osvoboditel boul.
1000, Sofia, Bulgaria). Bioaccumulation and damaging action of polymetal
industrial dust on laboratory mice Mus musculus alba. I. Analysis of Zn, Cu, Pb,
and Cd disposition and mathematical model for Zn and Cd bioaccumulations.
Environmental Research, 91(2) (2003), 85-94.
The concentrations of Zn, Cu, Pb, and Cd in the liver, kidneys, spleen, bones, and carcass of
laboratory mice BALB/cy were observed in toxicological experiments. Polymetal industrial dust
containing these metals was given to experimental animals at 1% concentration mixed with
conventional animal food. Samples for analyses were taken on Days 15, 40, 60, 90, and 120
posttreatment. The experimental data clearly support the established antagonistic interactions
among cadmium, zinc, copper, and lead. A mathematical model was proposed to study the main
tendencies of heavy metal bioaccumulation under conditions of metal interaction and excessive
exposure. The experimental results were assessed on the basis of the model. A rate constant of
renal excretion greater than that of hepatic excretion was obtained, which agrees with the
observed inversion of cadmium kidney/liver ratio in the conditions of very high exposure.
S. Teodorova, R. Metcheva, M. Topashka-Ancheva. (Institute for Nuclear Research and
Nuclear Energy, Bulgarian Academy of Sciences, 72 Tzarigradsko chaussee, 1784, Sofia,
Bulgaria. Institute of Zoology, Bulgarian Academy of Sciences, 1 Tzar Osvoboditel boul.
1000, Sofia, Bulgaria). Bioaccumulation and damaging action of polymetal
industrial dust on laboratory mice Mus musculus albaI. Environmental Research,
91(2) (2003), 85-94.
The concentrations of Zn, Cu, Pb, and Cd in the liver, kidneys, spleen, bones, and carcass of
laboratory mice BALB/cy were observed in toxicological experiments. Polymetal industrial dust
containing these metals was given to experimental animals at 1% concentration mixed with
42
PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com