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Adição de Michael de α,α-Diciano-Olefinas a Chalconas via organocatálise assimétrica empregando solvente derivado de biomassa
(Universidade Federal de São Carlos, 2018-05-18)
In recent years, organocatalysed reactions have become an important field in asymmetric synthesis. Particularly, Michael addition reactions using various donors and acceptors have been explored to generate substrates that ...
Estudo químico das flores de Hortia oreadica (Rutaceae)
(Universidade Federal de São Carlos, 2018-07-27)
The present work describes the analysis of apolar and polar extracts from flowers of Hortia oreadica, a species of the family Rutaceae. Since these flowers had not been widely studied, and due to the chemosystematic value ...
Síntese eletroquímica e caracterização de filmes finos de Sb2Se3
(Universidade Federal de São Carlos, 2017-12-05)
Due to the environmental appeal, the shortage of raw material and the chemical complexity of some systems employed at photovoltaic devices, interest has been growing for semiconductors composed of abundant, low toxicity ...
Estudo do processo de eletrofiação de micro/nanofibras de polímeros biodegradáveis para liberação do antibiótico Cloxacilina
(Universidade Federal de São Carlos, 2018-02-28)
Bovine mastitis disease is caused by some class bacteria and fungus from the environment, which affects the dairy cattle herd. This disease can cause financial damage to farmers by reducing cattle milk production. In this ...
Caracterização funcional de uma Cisteíno Catepsina recombinante da formiga cortadeira Atta Sexdens
(Universidade Federal de São Carlos, 2018-04-27)
Cutting ants depend on plant leaves to survive, presenting high damage power in agricultural productions, natural and planted forest. The control of these insects through the use of commercial insecticides besides being ...
Síntese e estudo das propriedades fotoluminescentes e fotocatalíticas dos cristais de Ag2-2xMxWO4, (M = Mg e Zn)
(Universidade Federal de São Carlos, 2014-06-03)
This study aimed to investigate the photoluminescence and photocatalytic properties of the alpha phase of silver tungstate ( α-Ag2WO4 ) doped with Mg and Zn (where M = Mg or Zn and x = 0; 0,01; 0,02; 0,04 ou 0,08). The ...
Desenvolvimento de uma nova rota de síntese hidrotermal assistida por micro-ondas para a obtenção de nanopartículas de espinélios de manganês e lítio dopados com alumínio para aplicação em baterias de íons lítio
(Universidade Federal de São Carlos, 2018-03-01)
Spinel of manganese and lithium undoped and doped with aluminum were obtained by an unpublished, energy saving, short time, and low temperature synthesis: microwave-assisted hydrothermal route. Undoped spinel was synthesized ...
Estudo da influência da composição química nas propriedades da borracha natural dos novos clones de seringueira RRIM 711, RRIM 926 e RRIM 937
(Universidade Federal de São Carlos, 2017-12-07)
Brazil, that already was the largest producer of natural rubber in the world, faces a deficit in its production, what has resulted in the necessity to research of clonal varieties of rubber trees with high quality and ...
Encapsulamento de compostos orgânicos voláteis em matrizes biopoliméricas para o controle de insetos pragas
(Universidade Federal de São Carlos, 2017-07-06)
Traditional pesticides were introduced to the agriculture in order to control pests, which are harmful to the crops. However, this indiscriminate use of synthetic pesticides has been causing environmental disorders, and ...
Obstáculos epistemológicos no processo de alfabetização científica: um estudo para a formação do professor das séries iniciais do ensino fundamental
(Universidade Federal de São Carlos, 2016-10-28)
This work presupposes the importance of the teaching of Science so that the students can acquire the cultural elements and the scientific language and develop the necessary skills to the critical and aware exercise of ...