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A methanolic extract of Ganoderma lucidum fruiting body inhibits the growth of ...

Ganoderma lucidum is one of the most extensively studied mushrooms as a functional food and as a chemopreventive agent due to its recognized medicinal properties. Some G. lucidum extracts have shown promising antitumor potential. In this study, the bioactive properties of various extracts of G. lucidum, from both the fruiting body and the spores, were investigated. The most potent extract identified was the met...

Sexual education in schools in Portugal: evaluation of a 3 years period

Utilização de blogues na discussão de controvérsias sociocientíficas na discipl...

A presente investigação pretendeu avaliar as potencialidades educativas da discussão de assuntos controversos na disciplina de Ciências da Natureza, utilizando blogues. Para este estudo optou-se por uma metodologia de investigação qualitativa com orientação interpretativa, onde o investigador investiga a sua própria prática através da aplicação de uma proposta didática. Neste estudo participaram 26 alunos de um...

Cytotoxic Activity of Metal Complexes of Biogenic Polyamines: Polynuclear Plat...

Several polynuclear Pt(II) chelates with biogenic polyamines were synthesized and screened for their potential antiproliferative and cytotoxic activity in different human cancer cell lines. To gather information regarding the structure−activity relationships underlying their biological activity, the complexes studied were designed to differ in geometrical parameters such as the nature of the ligand and the numb...

Percutaneous splenic embolization of the splenic artery in the treatment of hyp...

Percutaneous splenectomy was performed in 6 patients with hypersplenism. Peripheral blood cell counts improved in 5 of the patients. The authors review the indications, technique and complications of percutaneous splenic embolization. It is concluded that medical splenectomy is an effective method particularly to alleviate symptoms of hypersplenism. ; Percutaneous splenectomy was performed in 6 patients with h...