Encontrados 4 documentos, a visualizar página 1 de 1
Towards a risk assessment for Giardia sp. and Cryptosporidium sp. in Portuguese...
Júlio, C.; Ferreira, I.; Martins, S.; Sá, C.; Ângelo, H.; Guerreiro, J.; Tenreiro, R.Abstract background: Waterborne outbreaks of diarrhoeal illness reported worldwide are mostly associated with Cryptosporidium sp. and Giardia sp. Lake and river waters contaminated with (oo)cysts are major routes of human exposure making essential the development of preventive strategies for water safety. Since monitoring of water contamination with (oo)cysts is not routinely performed in Portugal, this study a...
New biomimetic sensors for the determination of tetracycline in biological samp...
Moreira, Felismina T. C.; Guerreiro, J. Rafaela L.; Azevedo, Vera Lúcia; Kamel, Ayman H.; Sales, M. Goreti F.New potentiometric membrane sensors with cylindrical configuration for tetracycline (TC) are described based on the use of a newly designed molecularly imprinted polymer (MIP) material consisting of 2-vinylpyridine as a functional monomer in a plasticized PVC membrane. The sensor exhibited significantly enhanced response towards TC over the concentration range 1.59 10 5–1.0 10 3 mol L 1 at pH 3–5 with a low...
Vertebroplastia percutânea por fractura osteoporótica
Freitas, Diamantino Rui; Figueiredo, L. C.; Guerreiro, J. R.; Coelho, V. D.A Vertebroplastia Percutânea é uma técnica minimamente invasiva relativamente recente, que tem reconhecidas vantagens e aplicações em fracturas compressivas dos corpos vertebrais. Basicamente, consiste na injecção de um Cimento Acrílico no interior do corpo vertebral, e desse modo, minimizar e estabilizar fracturas compressivas dos corpos vertebrais, que são frequentemente de etiologia osteoporótica. Fortemente...
A possible correlation between the host genetic background in the epidemiology ...
Santos,A. K. C. R.; Ishak,M. O. G.; Santos,S. E. B.; Guerreiro,J. F.; Ishak,R.The Amazon region of Brazil is an area of great interest because of the large distribution of hepatitis B virus in specific Western areas. Seven urban communities and 24 Indian groups were visited in a total of 4,244 persons. Each individual was interviewed in order to obtain demographic and familial information. Whole blood was collected for serology and genetic determinations. Eleven genetic markers and three...
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