Wiley

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Physiological stress in fish during toxicological procedures: A potentially confounding factor
Wiley - Tập 10 Số 2 - Trang 135-146 - 1995
T.G. Pottinger, G. M. Calder
AbstractAn increasing body of evidence suggests that stress may modulate the response of an animal to toxicological challenge. The degree of stress inherent in the procedures comprising a fish LC50 study (OECD guidelines for the testing of chemicals, “Fish, Acute Toxicity Test” No. 203, adopted May 12, 1981) was assessed by measuring plasma cortisol levels (rainbow trout) and whole‐body levels of ... hiện toàn bộ
Paper as reference material in “Sturm test” applied to insoluble substances
Wiley - Tập 9 Số 2 - Trang 83-86 - 1994
Loredana Musmeci, P. M. B. Gucci, L Volterra
AbstractThe ever‐increasing use of plastics for the packaging, wrapping, and transportation of goods is causing serious concern in regard to their environmental fate when they are carelessly discarded (visual pollution), or disposed off by dumping or by incineration.For this reason in the last few years in Italy legislation was introduced, specif ing that the plastics used in the manufacturing of ... hiện toàn bộ
Monitoring sãto paulo state rivers in brazil for mutagenic activity using the ames test
Wiley - Tập 8 Số 4 - Trang 371-381 - 1993
Gisela de Aragão Umbuzeiro, Maria Inês Zanoli Sato, Maria Luisa Cristina, Letícia Coelho, Carlos Alberto Coimbrão, P. S. Sanchez, Maria Therezinha Martins, Renato Bonatelli
AbstractOrganic extracts of raw water from 11 water courses of São Paulo State, Brazil, were collected during one year bimonthly and tested for mutagenicity using the Ames test, with strains TA98 and TA100 of Salmonella typhimurium with and without metabolic activation. The samples were extracted with XAD2 resin and eluted with methanol and methylene chloride. From the 75 samples analyzed, 14 show... hiện toàn bộ
Effect of nitrite exposure on hematological parameters and blood respiratory properties in the sea bass Lates calcarifer
Wiley - Tập 10 Số 4 - Trang 259-266 - 1995
Norman Y.S. Woo, SW Chiu
AbstractChanges in hematological parameters and blood respiratory properties of Lates calcarifer in response to nitrite exposure were studied. Exposure to 10 mg · L−1 NO2‐N for 8 days resulted in significant increases in blood nitrite and methemoglobin contents. Total hemoglobin was reduced resulting in an overall decline in functional hemoglobin. There was no significant change in hematocrit and ... hiện toàn bộ
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