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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 ...
Desenvolvimento e validação de método para determinação de etilenotiouréia em urina empregando HPLC UV
(Universidade Federal de Santa Maria, 2008-03-28)
In order to supply the world-wilde demand for food, it is essential to use the pesticides to protect the crops against pests and diseases. But the indiscriminate and injudicious use of these compounds have resulted in ...