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Síntese de ciclodextrinas pentafluorpropioniladas e suas aplicações como fases estacionárias quirais em cromatografia gasosa enantiosseletiva
(Universidade Federal de Santa Maria, 2008-12-05)
Three new α, β- and γ-cyclodextrins derivatives were synthesized: hexakis-(2,6-di-O-pentyl)-α-cyclodextrin, heptakis-(2,6-di-O-pentyl)-β-cyclodextrin and octakis-(2,6-di-O-pentyl)-γ-cyclodextrin. The structures were ...
Biorremediação de herbicidas em água do cultivo de arroz irrigado visando minimizar o impacto ambiental
(Universidade Federal de Santa Maria, 2008-12-22)
Irrigated rice production depends on the pesticides application, among other factors. Herbicides could be highlighted as the most used ones, which may be transported into natural water sources, generating pollution and ...
Estudo fitoquímico da raiz da espécie Melochia chamaedrys St. Hil
(Universidade Federal de Santa Maria, 2005-11-04)
Melochia chamaedrys St.Hil. is a plant that is locally known as douradinha , it is found in South America, more exactly in the south of Brazil, Argentina, and Uruguay. In the state of Rio Grande do Sul , the species M. ...