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1.
Egyptian Journal of Pharmaceutical Sciences. 1988; 29 (1-4): 457-63
in English | IMEMR | ID: emr-10369

ABSTRACT

The acid dissociation constant of sulfadiazine, sulfamerazine and sulfasomidine in 50% ethanolic solution were determined by pH-metric titration at temperature 30C and in different ionic strength. Also, their formation constants with Cu[II], Zn[II], Ni[II], Co[II], Mn[II] have been studied. The free energies of the complexes formed were deduced and the relation between the stabilities of these complexes and the ionization potenital of the cautions were discussed


Subject(s)
Sulfamerazine , Chelating Agents
2.
Arq. méd. ABC ; 5(1/2): 17-20, 1982.
Article in Portuguese | LILACS | ID: lil-13246

ABSTRACT

Neste trabalho visou-se estudar comparativamente as acoes comportamentais do naftil-azoderivado da sulfamerazina e da propria sulfamerazina. Observou-se que o naftil-azoderivado apresenta atuacao que comprometem o comportamento aprendido diminuindo as respostas em ratos condicionados. A movimentacao espontanea, observada em campo aberto, em camundongos sob acao do naftil-azoderivado, aumentou com o decorrer do tempo, tendo atingindo o seu maximo apos 24 horas da injecao intraperitoneal. A toxicidade aguda do naftil-azoderivado diminuiu em relacao a sulfamerazina, quando da determinacao da DL 50. O composto ja avaliado anteriormente continuou a apresentar atuacao antimicrobiana


Subject(s)
Animals , Male , Mice , Rats , Poisoning , Sulfamerazine , Behavior, Animal , Conditioning, Psychological , Injections, Intraperitoneal
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