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Randomized clinical trial comparing the efficacy of the vaginal use of metronid...
Leite,S.R.R.F.; Amorim,M.M.R.; Sereno,P.F.B.; Leite,T.N.F.; Ferreira,J.A.C.; Ximenes,R.A.A.A 7.4% vaginal extract of the Brazilian pepper tree (Schinus terebinthifolius Raddi) was compared with 0.75% vaginal metronidazole, both manufactured by the Hebron Laboratory, for the treatment of bacterial vaginosis, used at bedtime for 7 nights. The condition was diagnosed using the combined criteria of Amsel and Nugent in two groups of 140 and 137 women, aged between 18 and 40 years. Intention-to-treat analy...
Atitudes do enfermeiro em contexto de ensino clínico: uma revisão da literatura
Cunha, Madalena; Ribeiro, Olivério; Vieira, C.; Pinto, F.; Alves, L.; Santos, R.; Martins, S.; Leite, S.; Aguiar, V.; Andrade, V.Com o decorrer do Ensino Clínico torna-se crucial compreender de que modo as atitudes dos enfermeiros influenciam o desempenho dos alunos. Cuidados de excelência só podem ser assegurados com a passagem de testemunho do Enfermeiro para o aluno. Nesta linha, as atitudes que os enfermeiros supervisores apresentam, tornam-se o “espelho” e o reflexo do futuro profissional. O supervisor tem a capacidade de melhorar a...
Normal flow-mediated vasodilatation of the brachial artery and carotid artery i...
Cabral,M.D.; Teixeira,P.F.S.; Silva,N.A.O.; Morais,F.F.C.; Soares,D.V.; Salles,E.; Henriques,J.M.; Leite,S.P.; Montenegro,C.A.B.; Vaisman,M.Subclinical hypothyroidism (SHT) is a disease for which exact therapeutic approaches have not yet been established. Previous studies have suggested an association between SHT and coronary heart disease. Whether this association is related to SHT-induced changes in serum lipid levels or to endothelial dysfunction is unclear. The aim of this study was to determine endothelial function measured by the flow-mediate...
Inhibitors of Clostridium histolyticum colagenase
Leite,S. R. A.Different substances were tested as inhibitors of Clostridium histolyticum collagenase, both experimental and theoretically. The in vitro collagenase activity, alone and in the presence of inhibitors, was quantified by reaction with bovine collagen and dosage of the releasing amino acids. Collagenase-inhibitor interaction was studied theoretically by docking computational calculations. Only one among the tested...
Activated sludge morphology characterization through an image analysis procedure
Perez,Y. G.; Leite,S. G .F.; Coelho,M. A. Z.This work deals with the development of a digital image analysis procedure to characterize microbial flocs obtained in three different WWTP: a bench-scale Sequencing Batch Reactor (SBR) dealing with phenol and nitrogen biological removal, a municipal treatment unit (Ilha do Governador, Rio de Janeiro, Brazil) and an industrial wastewater treatment plant (Ciba - Estrada do Colégio, Rio de Janeiro, Brazil). The d...
The bioactivation procedure for increasing the sulphate-reducing bacteria in a ...
Gonçalves,M. M. M.; Leite,S. G. F.; Sant'Anna Jr,G. L.Bioactivation, a procedure to obtain anaerobic sulphidogenic sludge, was developed in order to increase sulphate reduction and, consequently, sulphide production to remove metals from effluents. This procedure, in which the source of carbon/energy (lactate) is gradually replaced, consisted of three operational conditions. It was observed that bioactivation took six months so there was a 100-fold increase in the...
Effect of Hydraulic Retention Time on Nitrification in an AirLift Biological Re...
Furtado,A.A.L.; Albuquerque,R.T.; Leite,S.G.F.; Peçanha,R.P.The occurrence of nitrogenous compounds in industrial effluents at concentration levels above legal limits, is a well-known and serious pollution problem for the receiving body. The biological process for the removal of these substances, commonly referred to as ammoniacal nitrogen, is known as nitrification. Bacteria involved are mainly of the genuses Nitrosomonas and Nitrobacter. The aim of the present work wa...
Dead Region Time Evolution and Afterpulses Development in SQS
Lima, E. P. de; Salete, M.; Leite, S. C. P.; Policarpo, A. J. P. L.; Alves, M. A. F.The dead length, 6, for t > 20 ms is well approximated by d=d0 exp(-t/t) for mixtures of argon-isobutane with benzene or TEA. d0 varies in an approximate linear way with the streamer charge and the systematics of t regarding the high voltage is also presented. Afterpulses are associated not only with wall effects but also with photoionization in the gas mixture itself. Interpretation of the data is attempted
Self-Quenching Streamers in Mixtures with Photoionization Vapours
Lima, E. P. de; Salete, M.; Leite, S. C. P.; Policarpo, A. J. P. L.; Alves, M. A. F.The basic properties of self-quenching streamers in a proportional counter with a thick anode wire are investigated. In particular, the influence of mixing benzene and triethylamine to argon-isobutane mixtures is studied regarding thresholds for streamer production, pulse shapes and dead time. There is a lowering of the high voltage threshold for streamer production associated with low concentrations of triethy...
The Energy Resolution and Window Area Capabilities of the Gas Proportional Scin...
Alice, M.; Alves, F.; Policarpo, A. J. P. L.; Salete, M.; Leite, S. C. P.The behaviour of xenon and argon-xenon gas proportional scintillation counters is con sidered. For X-rays, ranges of window area are defined showing competition with semiconductor detectors. Data for primary scintillation of X-rays and alpha particles are included. Relative efficiencies of tetraphenylbutadiene, p-terphenyl, diphenyl-stilbene, sodium salicylate and p-quaterphenyl were measured
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