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Thermoluminescence as a complementary technique for the toxicological evaluation of chemicals in photosynthetic organisms

Opened Access Thermoluminescence as a complementary technique for the toxicological evaluation of chemicals in photosynthetic organisms

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Autor: Repetto Kuhn, Guillermo
Zurita, Jorge L.
Roncel Gil, Mercedes
Ortega Rodríguez, José María
Fecha: 2015
Publicado en: Aquatic toxicology, 158, 88-97.
Tipo de documento: Artículo
Resumen: Thermoluminescence is a simple technique very useful for studying electron transfer reactions on photosystem II (standard thermoluminescence) or the level of lipid peroxidation in membranes (high temperature thermoluminescence) in photosynthetic organisms. Both techniques were used to investigate the effects produced on Chlorella vulgaris cells by six compounds: the chemical intermediates bromobenzene and diethanolamine, the antioxidant propyl gallate, the semiconductor indium nitrate, the pesticide sodium monofluoroacetate and the antimalarial drug chloroquine. Electron transfer activity of the photosystem II significantly decreased after the exposure of Chlorella cells to all the six chemicals used. Lipid peroxidation was slightly decreased by the antioxidant propyl gallate, not changed by indium nitrate and very potently stimulated by diethanolamine, chloroquine, sodium monofluoroacetate and bromobenzene. For five of the chemicals studied (not bromobenzene) there is a very good cor...
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Cita: Repetto Kuhn, G., Zurita, J.L., Roncel Gil, M. y Ortega Rodríguez, J.M. (2015). Thermoluminescence as a complementary technique for the toxicological evaluation of chemicals in photosynthetic organisms. Aquatic toxicology, 158, 88-97.
Tamaño: 736.8Kb
Formato: PDF

URI: http://hdl.handle.net/11441/64521

DOI: 10.1016/j.aquatox.2014.11.002

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