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Desenvolvimento de método indicativo de estabilidade de monocrotalina por CL/EM, análise térmica e técnicas complementares
(BrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM CIÊNCIAS FARMACÊUTICAS, 2017-06-29)
The monocrotaline is a pyrrolizidine alkaloids isolad from the Crotalaria
retusa with activity against Trichomonas vaginalis, when used topically. This
study has the aim of characterize this isolad used thermal and ...
Análise térmica de uma resina composta de nanopartículas: caracterização e envelhecimento
(Universidade Federal de Minas GeraisUFMG, 2008-02-25)
The aim of this study was to evaluate the aging of a nanofilled composite resin (Concept Advanced®) during one year. The characterization and evaluation of its homogeneity in commercial syringe was made by Thermogravimetric ...
Aplicação da técnica de calorimetria exploratória diferencial em amostras de chocolate para determinar ponto de fusão e cristalização
(Universidade Tecnológica Federal do ParanáCampo MouraoBrasilDepartamento Acadêmico de AlimentosEngenharia de AlimentosUTFPR, 2017-11-28)
Thermal processing is one of the main operations in the food industry, so it is very important to know the effects of heat on the various constituents present in food in order to minimize the inherent quality loss of the ...
Physical and morphological characteristics of edible coatings based on pectin and guava by-products applied to guava pieces
(Universidade Federal de Santa Maria, 2021-12-17)
Edible coatings based on polysaccharides have been applied on pieces of fruits and vegetables before drying because of their potential to improve physical and nutritional characteristics of dehydrated plant foods. In the ...
Preparação, caracterização e estudos termoanalíticos de bases de Schiff biopoliméricas e seus complexos de cobre.
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Química - PPGQ, 2004-12-13)
The present work is divided in three parts. The first part deals with the purification and characterization of commercial chitosan from different suppliers. The second part describes the synthesis and characterization of ...
Thermoanalytical study of the complexes of 4-dimetilaminocinnamylidenepiruvate with manganese (II), cobalt (II), nickel (II), cupper (II), zinc (II) and lead (II), in the solid state
(Editora Unesp, 2002-01-01)
Os compostos dos 4-dimetilaminocinamalpyruvatos (4-DMCP) de Mn (II), Co (II), Ni (II), Cu (II), Zn (II) e Pb (II) foram preparados. Estes compostos foram estudados pelas técnicas termoanaliticas: termogravimetria (TG), ...