Cláudia Stamato

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This article is the result of an Ergonomic Diagnosis in a study for a Specialization Course in Ergonomics. The research is being done in a public hospital in the city of Rio de Janeiro, where the target system is the radiology sector. For diagnosis purposes, subjective techniques were used, such as an open-ended survey, Corlett questionnaire and techniques(More)
Free radicals generated by benzoyl peroxide-mediated catalytic decomposition of bromotrichloromethane (eg. trichloromethyl) were allowed to react under nitrogen or under air with uracil. Under nitrogen two reaction products were formed, one was identified as 5-chlorouracil and the other as a 5-bromouracil. Under air, besides the above two products other(More)
Trichloromethyl and trichloromethyl peroxyl radicals are known to be produced during CCl4 biotransformation and are considered to be critical for deleterious effects of this haloalkane. In this work we describe our studies on the interaction of both free radicals with a lipid-soluble derivative of the amino acid proline in a model system. The analysis of(More)
The interaction between free radicals derived from the catalytic decomposition of bromotrichloromethane and 5-methylcytosine (5MC) under different conditions were studied. The structures of the reaction products formed was established by the GC/MS analysis of their trimethylsilyl derivatives. Under anaerobic conditions, the formation of the following(More)
The interaction between free radicals derived from the catalytic decomposition of carbon tetrachloride and tyrosine (the N-acetyl tyrosine ethyl ester, ATEE) under anaerobic and aerobic conditions was studied. The structure of the reaction products formed was deciphered by the GLC/MS analysis of their trimethylsilyl derivatives. Under anaerobic conditions(More)
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