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What are and where are the bioactive terpenoids metabolites from Dictyotaceae (Phaeophyceae)
Dictyotaceae are a rich source of secondary metabolites, especially terpenes. These natural products have been studied for their bioactivity for human and for their ecological role in nature. TheExpand
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The diterpenes from Dictyotacean marine brown algae in the Tropical Atlantic American region
Species of Dictyotales (brown algae) produce a large array of bioactive secondary metabolites possessing a broad defensive action against herbivores in the marine environment. This paper reviews theExpand
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In vitro antiviral activity of diterpenes isolated from the Brazilian brown alga Canistrocarpus cervicornis
They describe in this paper that the dolastane diterpenes 4-hydroxy-9,14-dihydroxydolasta-1(15),7-diene (1) and 4,7,14-trihydroxydolasta-1(15),8-diene (2), isolated from the marine brown algaExpand
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Effect of Diterpenes Isolated of the Marine Alga Canistrocarpus cervicornis against Some Toxic Effects of the Venom of the Bothrops jararaca Snake
Snake venoms are composed of a complex mixture of active proteins and peptides which induce a wide range of toxic effects. Envenomation by Bothrops jararaca venom results in hemorrhage, edema, pain,Expand
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Anti-snake venom effect of secodolastane diterpenes isolated from Brazilian marine brown alga Canistrocarpus cervicornis against Lachesis muta venom
The effect of a Brazilian algae extract and also a mixture of two secodolastane diterpenes (linearol/isolinearol) that were isolated from the marine brown alga Canistrocarpus cervicornis wereExpand
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A obra Admirável mundo novo no ensino interdisciplinar: fonte de reflexões sobre Ciência, Tecnologia e Sociedade
EnglishThis study explored the impact of using science fiction associated to socioscientific issues in the moral and reasoning development of students and the consequent awakening to citizenship. WeExpand
A CHECKLIST FROM A WARM TEMPERATE PORT BAY IN BRAZIL
Guanabara Bay is one of the biggest semi-enclosed Brazilian water body with about 400 Km 2 located between 22°44' - 22°57'S and 42°33' - 43°19'W. The bay is characterized as an ecosystem withExpand
ESTUDO, DESENVOLVIMENTO E PRODUÇÃO DE MATERIAIS DIDÃTICOS PARA O ENSINO DE BIOLOGIA
Visando facilitar o processo ensino-aprendizagem fazendo-o de forma dinA¢mica e prazerosa, este projeto visou A  elaboraA§A£o e confecA§A£o de jogos e modelos pedagA³gicos. Neste contexto, foramExpand
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Feeding-deterrent properties of diterpenes of Dictyota mertensii (Phaeophyceae, Dictyotales)
Crude extracts of the brown seaweed Dictyota mertensii (Martius) Kutzing collected at two distant and different places on the Brazilian coast, Buzios (Rio de Janeiro) and Fernando de Noronha (PE),Expand
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