Encontrados 5 documentos, a visualizar página 1 de 1
Efeito regulatório de flavonóides e de carmim nos níveis de lipídeos em ratos W...
Oliveira,T.T.; Pereira,W.L.; Nagem,T.J.; Pinto,A.S.; Santos,C.A.Estudou-se a ação de biochanina A isolada e em associação com os corantes naturais antocianina e carmin sobre o metabolismo lipídico de ratos. Foram dosados colesterol, colesterol-HDL e triacilgliceróis após administração de duas doses dos compostos isoladamente e em misturas, sendo a primeira imediatamente após a administração do triton e a segunda 20 horas depois. O sangue foi analisado 43 horas após a admini...
Immunologic profile of HIV-2 seropositive African individuals (follow-up).
Pinto, A S; Instituto de Higiene e Medicina Tropical, Laboratório de Imunologia, I.P.O.F.G., Lisboa.; Ferreira, W F; Costa, C; Silva, A P; Alvarez, E PIn the geographic distribution of HIV-2, it is known that this infection is most prevalent in West Africa. Since 1986 we have studied seropositive and seronegative clusters, in Guinea-Bissau with follow-ups in 1988, 1989, 1990 and 1991. Analysis of the results show the high incidence of this infection. 8.51% of the 4,372 people of the general population studied were seropositive, showing the high predominance o...
Immunodeficiency viruses.
Ferreira, W F; Instituto de Higiene e Medicina Tropical, Laboratório de Imunologia, IPOFG, Lisboa.; Pinto, A S; Alvarez, E P; Sousa, R AIn the first part of this article some structural and biological aspects of the HIV viruses are presented, in our opinion among the most interesting ones, connected with the AIDS viruses. Viral infection and its evolution, particularly related with infection by HIV-2, will be presented later, in the light of our experience, obtained over several years work with African people infected by the virus. The AIDS vir...
Prevalence of respiratory diseases in the textile industry. Relation with dust ...
Da Costa, J T; Departamento de Clínica Geral, Faculdade de Medicina da Universidade do Porto.; Barros, H; Macedo, J A; Ribeiro, H; Mayan, O; Pinto, A SMany workers in the textile industry have respiratory symptoms that are related to their work environment. In this study we observed the dust level conditions of eleven textile industries of the North of Portugal. The dust levels determined were between 0.1 mg/m3 and 1.25 mg/m3, in many cases above the Portuguese standard levels of exposure (VLE). For these dust levels we found a prevalence of 23% of workers wi...
Respiratory symptoms in the textile industry. Their prevalence in the Vale do A...
da Costa, J T; Departamento de Clinica Geral, Faculdade de Medicina, Universidade do Porto.; Barros, H; Macedo, J A; Ribeiro, H; Mayan, O; Pinto, A SSome workers in the textile industry have respiratory symptoms related to their occupation. This study is aimed at evaluating the frequency of respiratory symptoms in textile industries in the North of Portugal. We evaluated 3529 workers from 20 factories (19 deal with synthetic fibres and cotton and the other deals with sisal.) Among the workers, there were 34.5% with respiratory symptoms - 24,5% referred nasa...
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