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Students’ engagement in school, perceived rights and grade level

This article is a product of the project PTDC/CPE-CED/114362/2009 - Envolvimento dos Alunos na escola: Diferenciação e Promoção/Students Engagment in School: Differentiation and Promotion, financed by National funding, through the Fundação para a Ciência e Tecnologia (FCT). ; Conceptual Framework: the value and contemporaneity of the construct “Students engagement in school” (SES) has been highlighted in the t...

Transfusion therapy and sickle cell disease

Background: Sickle cell disease is a very common hemoglobinopathy. The main goal of transfusion therapy in sickle cell disease is to prevent thrombotic events, improve tissue oxygenation and treat anaemia complications. However the risk of all immunization is well known. Since 2001 our service has been doing a tight surveillance work in sickle cell patients, creating a database of about 15,000 studied blood d...

Casuistic of related blood donations incidents in HPFF Blood Department

Background Related blood donations incidents (RBDI) have to be reported to the Portuguese Haemovigilance Blood Group since de last year. In our department we have a manual system of incidents registration since 2006. We understand how is important the analysis of this data to prevent future incidents. Aims We want in some way to share our results aimed a better prevention of this incidents. Methods Data of RBDI...

Vocational identity in adolescence according to family

The present study aims to analyze the relation between the statutes of vocational identity and family variables, throughout adolescence. The variables related to the family context that were taken into account were the following: parental authority, perception of parents’ support, parents’ qualifications, family self-concept, sibling friendship, divorce versus non divorce of parents, and television viewing of a...

Conductas disruptivas e actitudes hacia la autoridad institucional en adolescen...

Este trabalho analisa os vínculos existentes entre a integração escolar dos adolescentes e os comportamentos disruptivos, bem como a sua atitude face à autoridade institucional. A amostra é composta por 1068 adolescentes de ambos os sexos, entre os 11 e 18 anos de idade, que frequentam escolas de ensino público. Os resultados evidenciam que os adolescentes que têm uma atitude mais negativa perante a autoridade ...

Decomposição em valores singulares aplicada a dados de campo magnético

Microsporidiose humana na síndrome de imunodeficiência adquirida

Alunos sobredotados vistos pelos professores

O objetivo geral do presente estudo foi analisar as percepções dos professores acerca dos alunos sobredotados.

Study on thermostabilizers for trivalent oral poliomyelitis vaccine

Different formulations of trivalent oral poliomyelitis vaccine were tested, in order to obtain better thermostability, reduce corrosion of machinery and improve production costs. Magnesium chloride, sucrose, arginine and 199-Hank's medium were used in the formulations. The most appropriate formulation was a mixture of MgCl2 and arginine, which was highly thermostable, and had low production costs. The low corro...

Enteric parasites and HIV infection: occurrence in AIDS patients in Rio de Jane...

The occurrence of intestinal parasites, its relation with the transmission mechanism of HIV, and the clinical state of the AIDS patients, were analyzed in 99 Group IV patients (CDC, 1986), treated at "Hospital Universitário Pedro Ernesto" (HUPE), between 1986 and 1988. The group consisted of 79 (79.8%) patients whose HIV transmission mechanism took place through sexual contact and of 16 (20.2%) who were infecte...