O trabalho analisa a dinâmica das relações entre alunos, professores e tutores em fóruns de interação de um curso de graduação em Ciências Biológicas. Para tanto, o nível de interação foi observado em fóruns de discussão de quatro disciplinas curriculares e representadas por sociogramas elaborados com o software Pajek®. Percebeu-se que o aluno desempenha papel central nas discussões e na construção do processo ...
Chagas disease caused by the parasite Trypanosoma cruzi is considered a neglected tropical disease. In Brazil, only benzonidazole is used in treatment with limited efficacy and relevant adverse effects. Natural plant products are a promising source of drugs for the fight against T. cruzi infections. In the search for therapeutic alternatives, the objective was to evaluate the effect of plant polysaccharides on ...
Chagas ’ disease is a neglected disease caused by the protozoan parasite Trypanosoma cruzi and constitutes a serious health problem worldwide. The treatment is limited, with variable e ffi cacy of benznidazole and ni- furtimox. Betulinic Acid (BA), a triterpene, can be found in medicinal herbs and has a wide variety of biological and pharmacological activities. The objective was to evaluate betulinic acid e ff ...