Encontrados 5 documentos, a visualizar página 1 de 1
Toxic effects of Cr(VI) in liver after administration in the drinking water to ...
Rafael, A.; Almeida, A.; Parreira, I.; Santos, P.; Carvalho, M.; Cabrita, A. M.; Alpoim, M. C.http://www.sciencedirect.com/science/article/B6TCR-4KMYM5B-GM/1/d5889a66e800de802f9cef0feab62898
Toxic effects on Wistar rat kidney of lead administrated in water
Rafael, A.; Almeida, A.; Parreira, I.; Santos, P.; Carvalho, M.; Alves, R.; Cabrita, A. M.; Alpoim, M. C.http://www.sciencedirect.com/science/article/B6TCR-4KMYM5B-GN/1/0825d0b42ba335b2b47dc42ae1b7ad8b
Diversity of chromium-resistant and -reducing bacteria in a chromium-contaminat...
Francisco, R.; Alpoim, M. C.; Morais, P. V.Aims: This study attempts to establish a relationship between the Cr(VI) resistance of the culturable microbial community and the Cr(VI) resistance and Cr(VI)-reducing ability of representative strains of each population, in order to assess whether these are exclusive characteristics of one microbial group or abilities shared among many groups. Methods and Results: A group of 48 Cr(VI)-resistant isolates, with ...
Chromium(VI) interaction with plant and animal mitochondrial bioenergetics: A c...
Fernandes, M. A. S.; Santos, M. S.; Alpoim, M. C.; Madeira, V. M. C.; Vicente, J. A. F.The mechanism of Cr(VI)-induced toxicity in plants and animals has been assessed for mitochondrial bioenergetics and membrane damage in turnip root and rat liver mitochondria. By using succinate as the respiratory substrate, ADP/O and respiratory control ratio (RCR) were depressed as a function of Cr(VI) concentration. State 3 and uncoupled respiration were also depressed by Cr(VI). Rat mitochondria revealed a ...
Nuclear magnetic resonance and potentiometric studies of the protonation scheme...
Geraldes, C. F. G. C.; Alpoim, M. C.; Marques, M. P. M.; Sherry, A. Dean; Singh, M.The protonation constants of the macrocyclic ligand 1,4,7-triazacyclononane-N,N’,N”-triacetiacc id (NOTA) have been measured by potentiometry, and the protonation sequence of the various amino and carboxylate groups of NOTA has been studied in DzO as a function of pD from the chemical shifts of the nonlabile protons. Shielding constants for protonation of the amino groups were determined in a NMR study of the t...
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