Encontrados 15 documentos, a visualizar página 1 de 2
Generating fuzzy rules by learning from olive tree transpiration measurement - ...
Siqueira, J.M.; Paço, T.A.; Silvestre, J.C.; Santos, F.L.; Falcão, A.O.; Pereira, L.S.The present study aims at developing an intelligent system of automating data analysis and prediction embedded in a fuzzy logic algorithm (FAUSY) to capture the relationship between environmental vari- ables and sap flow measurements (Granier method). Environmental thermal gradients often interfere with Granier sap flow measurements since this method uses heat as a tracer, thus introducing a bias in transpirati...
The maximal electroshock seizure (MES) model in the preclinical assessment of p...
Castel-Branco, M. M.; Alves, G. L.; Figueiredo, I. V.; Falcão, A. C.; Caramona, M. M.The choice of appropriate animal models for the initial in vivo testing of potential anticonvulsant compounds is one of the most important steps in the successful search for new antiepileptic drugs. The purpose of this paper is to describe the most important aspects to take into account when performing the maximal electroshock seizure (MES) test in the routine laboratory screening of new antiepileptics: the con...
CA-125 AUC as a predictor for epithelial ovarian cancer relapse
Mano, A; Falcão, A; Godinho, I; Santos, J; Leitão, F; Oliveira, CF; Caramona, MPURPOSE: The aim of the present work was to evaluate the usefulness of CA-125 normalized in time area under the curve (CA-125 AUC) to signalise epithelial ovarian cancer relapse. PATIENTS AND METHODS: Data from a hundred and eleven patients were submitted to two different approaches based on CA-125 AUC increase values to predict patient relapse. In Criterion A total CA-125 AUC normalized in time value (AUC(i)) ...
Elemental and topographic characterization of LDPE based copolymeric films obta...
Ferreira, L. M.; Falcão, A. N.; Gil, M. H.The preparation of PE-g-HEMA (polyethylene-grafted-hydroxyethyl methacrylate) films by 60Co gamma irradiation has been optimized to produce a new material suitable for bioapplications. ; http://www.sciencedirect.com/science/article/B6TJN-4PKFGWY-1/1/ce67dece44bee190c7fdab19460ed6d3
Spectral Bandwidth and WEC Performance Assessment
Saulnier, J.-B.; Ricci, P.; Pontes, M.T.; Falcão, A.F. de O.This paper investigates the dependency of wave energy conversion on the spectral bandwidth of sea-states. To this aim, the performance of an axisymmetrical Wave Energy Converter is assessed in the frequency domain by using a stochastic model in two far different wave climates (Portugal and North Sea) both represented by more than 23000 energy spectral densities obtained from measurements. The correlation betwee...
Efeito do tratamento térmico nas modificações térmicas e quimicas das madeiras ...
Sousa, Raul Bruno de; Canas, Sara; Belchior, A.P.; Falcão, A.; Gonçalves, J.A.; Spranger, M. IsabelThe effects of temperature and frequency of moistening during the first phase of the heath treatment (bending phase) on the simultaneous response of different kinds of wood (Portuguese chestnut, Rumanian and American oak wood) used in brandy ageing were studied. The evolution of the wood temperature was measured by K thermocouple probes. The wood extractable compounds (phenolic acids, phenolic aldehydes, coumar...
Lamotrigine pharmacokinetic evaluation in epileptic patients submitted to VEEG ...
Almeida, A. M.; Falcão, A. C.; Sales, F.; Baldeiras, I.; Rocha, M. J.; Caramona, M. M.Objective: The aim of the present study was to evaluate the pharmacokinetic profile of lamotrigine (LTG) in epileptic patients submitted to video-electroencephalography (VEEG) monitoring and, in addition, to investigate the influence of concomitant antiepileptic drugs (AEDs) on the kinetics of LTG. Methods: The analysis assumed a one-compartment open model with first-order absorption and elimination. The kineti...
Exercise stress testing before and after successful multivessel percutaneous tr...
Chalela,W.A.; Kreling,J.C.; Falcão,A.M.; Hueb,W.; Moffa,P.J.; Pereyra,P.L.A.; Ramires,J.A.F.Controversy exists regarding the diagnostic accuracy, optimal technique, and timing of exercise testing after percutaneous coronary intervention. The objectives of the present study were to analyze variables and the power of exercise testing to predict restenosis or a new lesion, 6 months after the procedure. Eight-four coronary multi-artery diseased patients with preserved ventricular function were studied (66...
Modification of LDPE molecular structure by gamma irradiation for bioapplications
Ferreira, L. M.; Falcão, A. N.; Gil, M. H.The surface properties of low-density polyethylene (LDPE) can be modified by the grafting of 2-hydroxyethyl methacrylate (HEMA). This was done aiming at the production of new materials suitable for bioapplications. Samples with different monomer concentrations were prepared from LDPE particles by gamma irradiation, following different irradiation protocols, including irradiation in presence and absence of air. ...
CA-125 AUC as a new prognostic factor for patients with ovarian cancer
Mano, A; Falcão, A; Godinho, I; Santos, J; Leitão, F; Oliveira, CF; Caramona, MOBJECTIVE: The aim of the present study was to investigate the usefulness of the CA-125 area under the curve (AUC) as a new kinetic parameter for predicting overall survival in patients with ovarian cancer. In addition, the relationship of CA-125 AUC with other prognostic factors of ovarian cancer was evaluated. METHODS: Ninety-two patients that underwent primary line chemotherapy within 4 months after submissi...
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