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Treatment planning systems dosimetry auditing project in Portugal
Lopes, MC; Cavaco, A; Jacob, K; Madureira, L; Germano, S; Faustino, S; Lencart, J; Trindade, M; Vale, J; Batel, V; Sousa, M; Bernardo, A; Brás, SBACKGROUND AND PURPOSE: The Medical Physics Division of the Portuguese Physics Society (DFM_SPF) in collaboration with the IAEA, carried out a national auditing project in radiotherapy, between September 2011 and April 2012. The objective of this audit was to ensure the optimal usage of treatment planning systems. The national results are presented in this paper. MATERIAL AND METHODS: The audit methodology simu...
Treatment planning systems dosimetry auditing project in Portugal
Lopes, MC; Cavaco, A; Jacob, K; Madureira, L; Germano, S; Faustino, S; Lencart, J; Trindade, M; Vale, J; Batel, V; Sousa, M; Bernardo, A; Brás, SBACKGROUND AND PURPOSE: The Medical Physics Division of the Portuguese Physics Society (DFM_SPF) in collaboration with the IAEA, carried out a national auditing project in radiotherapy, between September 2011 and April 2012. The objective of this audit was to ensure the optimal usage of treatment planning systems. The national results are presented in this paper. MATERIAL AND METHODS: The audit methodology simu...
Treatment planning systems dosimetry auditing project in Portugal
Lopes, MC; Cavaco, A; Jacob, K; Madureira, L; Germano, S; Faustino, S; Lencart, J; Trindade, M; Vale, J; Batel, V; Sousa, M; Bernardo, A; Brás, SBACKGROUND AND PURPOSE: The Medical Physics Division of the Portuguese Physics Society (DFM_SPF) in collaboration with the IAEA, carried out a national auditing project in radiotherapy, between September 2011 and April 2012. The objective of this audit was to ensure the optimal usage of treatment planning systems. The national results are presented in this paper. MATERIAL AND METHODS: The audit methodology simu...
Alergia a Proteínas do Leite de Vaca
H. C., Mota; J. A., Pinheiro; A.A., AguilarObjectivo: Avaliar o papel da ingestão precoce de proteínas do leite de vaca (PLV), via biberons na maternidade (BibMat), na etiologia da alergia às PLV (APLV).Material: Foram analisados os processos de 130 crianças a quem foi diagnosticada APLV, por provas de provocação no Hospital Pediátrico (HP) de 1987 a 1993 e ali seguidas.Resultados: Dos 124 lactentes que mamaram, só 11% não tomaram biberons nos primeiros...
O Síndrome da Morte Súbita, Inesperada e Inexplicada do Lactente (MSIL) em Port...
L., Guimarães; P. M., Pereira; Sousa M. J., Carneiro de; J., Pinheiro; A., Santos; A., Silva; D. N., Vieira; J., SequeirosO síndrome da morte súbita, inesperada e inexplicada do lactente (MSIL) ocorre normalmente entre 1M e 1 A de vida, com um máximo entre os 2 e os 4M, constituindo a principal causa de morte pós-neonatal nos países desenvolvidos.A MSIL ocorre quase sempre no domicílio e constitui em geral um achado isolado numa família, embora ocasionalmente se repita em irmãos. Em Portugal foi já observada uma família com 6 caso...
Controlo microbiológico de formulações farmacêuticas parentéricas
Reis, Catarina P.; Ramalhete, Nuno; Barbosa, A.; Bito, Rita Alexandra da Silva; Candeias, A.; Gonçalves, J.; Pinheiro, A.; Teixeira, F.; Fitas, ManuelO controlo microbiológico de formulações injectáveis visa garantir a isenção de um produto farmacêutico em termos microrganismos, possivelmente patogénicos, que possam induzir sintomas patológicos após a sua administração. Assim, o estudo das técnicas que permitam a eliminação de agentes patogénicos e a sua prevenção é de extrema importância. Nesta área são utilizadas diversas técnicas clássicas para avaliar de...
Inulin potential for encapsulation and controlled delivery of Oregano essential...
Costa, Sara Beirão da; Duarte, Cláudia; Bourbon, A. I.; Pinheiro, A. C.; Januário, M. Isabel N.; Vicente, A. A.; Costa, Maria Luísa Beirão daThe ability of inulin, a prebiotic material, as encapsulation matrix was explored. Microcapsules of Raftiline were produced by spray drying inulin solutions at different solids content (5, 15 and 25%) at 120, 155 and 190 °C, according to a Central Composite Rotatable design. Produced capsules were analysed for morphology and size by SEM and physiochemical characterized by DSC, IR and RAMAN. Oregano essential oi...
Biocomposite films based on κ-carrageenan/locust bean gum blends and clays : ph...
Martins, Joana; Bourbon, A. I.; Pinheiro, A. C.; Souza, B. W. S.; Cerqueira, M. A.; Vicente, A. A.The aims of this work were to evaluate the physical and antimicrobial properties of biodegradable films composed of mixtures of κ-carrageenan (κ-car) and locust bean gum (LBG) when organically modified clay Cloisite 30B (C30B) was dispersed in the biopolymer matrix. Film-forming solutions were prepared by adding C30B (ranging from 0 to 16 wt.%) into the κ-car/LBG solution (40/60 wt.%) with 0.3 % (w/v) of glycer...
Development of nanostructures for application in food technology : evaluation o...
Pinheiro, A. C.Tese de doutoramento in Chemical and Biological Engineering ; The emerging field of nanotechnology offers new challenges to the food industry either by offering novel tools for the development of strategies to improve food quality and human health, or by the introduction of questions about the behaviour of nanostructures within the human body. Nanotechnology holds a great potential to generate very innovative ...
Transport mechanism of macromolecules on hydrophilic bio-polymeric matrices : d...
Pinheiro, A. C.; Bourbon, A. I.; Vicente, A. A.; Quintas, Mafalda A. C.The transport mechanism of protein-based bioactive compounds (a peptide fraction from whey protein concentrate, glycomacropeptide and lactoferrin), from chitosan films to liquid medium, was studied. Mathematical models were used to discuss the transport mechanism. Data from release experiments was successfully described by a model which accounts for both Fick and Case II transport – the linear superimposition m...
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