ResumoEmbora a vinculação da criança aos pais tenha sido largamente investigada, a vinculação dos pais à criança está praticamente por estudar. A ideia de que o envolvimento emocional dos pais é uma circunstância determinante para a qualidade da interacção e dos cuidados que providenciam, e, por consequência, um factor que influencia o desenvolvimento da criança, tem sido contudo amplamente divulgada na literat...
Fibroblast growth factors (FGF) are essential key players during embryonic development. Through their specific cognate receptors (FGFR) they activate intracellular cascades, finely regulated by modulators such as Sprouty. Several FGF ligands (FGF1, 2, 7, 9, 10 and 18) signaling through the four known FGFRs, have been implicated in lung morphogenesis. Although much is known about mammalian lung, so far, the avia...
The proteasome is an intracellular multicatalytic protease involved in the cell cycle regulation, signaling response, antigen presentation and apoptosis. Since proteasome inhibitors promote cell death by apoptosis, they have been proposed as new anti-tumoral drugs. Terrein, a secondary metabolite secreted by the fungus Aspergillus terreus, was firstly described in 1935. In the present work we report that terrei...
A Calendula officinalis L. apresenta uso ornamental, culinário e terapêutico. A inflorescência é usada com ação cicatrizante e antiinflamatória. O experimento analisou o efeito de quatro lâminas de irrigação em condições de campo, na produção de flavonóides em calêndula. As lâminas baseadas na evaporação do Tanque Classe A (ECA) foram: 0, 50, 100 e 150% ECA; sendo aplicadas desde o início do florescimento até o...
This study has determined contamination levels in soils and plants from the Sa˜o Domingos mining area, Portugal, by k0-INAA. Total concentrations of As, Sb, Cr, Hg, Cu, Zn and Fe in soils were very high, exceeding the maximum limits in Portuguese legislation. Concentrations of toxic elements like As, Sb and Zn were highest in roots of Erica andevalensis, Juncus acutus, Agrostis castellana and Nicotiana glauca. ...
Individuals with reading disorders like dyslexia seem not be a homogeneous group, neither with respect to the underlying causes nor the resulting cognitive profile. Our purpose was to analyze the cognitive profile, using a hierarchical cluster analysis, in an attempt to isolate the main cognitive profiles present in a sample of dyslexic Portuguese children.
The activity of this multidisciplinary Group is running in north-east Alentejo, an area where there are high prevalence level of parasitism by Echinococcus granulosus. This factor, lead to the first of survey in 1991 and the establishment of a multidisciplinary group fighting Hydatidosis- Echinococcosis on a regular basis in 1998. The group develops different activities: Surveys in humans (epidemiological quest...
Monitoring of biofilms subjected to different operating conditions was performed using a flow cell system. The system was fed by chlorine-free tap water, with and without added nutrients (0.5 mg l ˉ¹carbon, 0.1 mg l ˉ¹nitrogen and 0.01 mg lˉ¹ phosphorus), and biofilms were grown on polyvinyl chloride (PVC) and stainless steel (SS) coupons, both in laminar and turbulent flow. The parameters analysed were cultura...
Aim: The main aim of this work was to study and compare the adhesion of water exposed Helicobacter pylori to six different substrata and correlate any changes in morphology, physiology, ability to form aggregates and cultivability when in the planktonic or in the sessile phase. Methods and Results: The number of total cells adhered for different water exposure times and modifications in the cell shape were eva...
The detection of delayed X-rays produced by the decay that follows electron capture in the residual nuclei has been used in the past for the determination of fusion cross sections of tightly bound nuclei. In this work we applied this technique to study the effect of the break-up of a weakly bound projectile, like in the case of the 9Be + 144Sm system. Preliminary results of the complete fusion in this system at...
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