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Caracterização química por cromatografia líquida e análise quimiométrica de espécies vegetais de Bauhinia com aplicação em controle de qualidade de amostras comerciais de "pata-de-vaca"
(Universidade Federal de São Carlos, 2011-07-27)
Chemical characterization by liquid chromatography and chemometric analysis of Bauhinia species (popularly known as pata-de-vaca ) with applications in quality control of commercial samples. The infusion of leaves from ...
Síntese e caracterização de complexos de Cu(II), Ag(I) E Zn(II) com tripeptídeos: avaliação de atividade com xanthomonas citri subsp. citri
(Universidade Federal de São Carlos, 2019-09-06)
SYNTHESIS AND CHARACTERIZATION OF Cu (II), Ag (I) AND Zn (II) COMPLEXES WITH TRIPEPTIDE LIGANDS: ACTIVITY EVALUATION IN XANTHOMONAS CITRI SUBSP. CITRI. In the search for new active substances against phytopathogens, were ...
Synthesis and characterization of micro-and mesoporous materials for catalytic biomass upgrading
(Universidade Federal de São Carlos, 2019-05-16)
In the last years, biomass, especially lignocellulosic, has emerged as an alternative source of carbon. From the fractionation of lignocellulosic biomass, a series of chemical compounds or platforms can be obtained, having ...
Influência dos íons Cu2+ nas propriedades ópticas dos pós de (Ca1-x Cux)TiO3 preparados por métodos químicos
(Universidade Federal de São Carlos, 2012-10-29)
The influence of Cu2+ doping as well as the preparation methods on the structural, morphological and optical properties of (Ca1-xCux)TiO3 powders with (x= 0; 0,01; 0,02; 0,04 and 0,10) of Cu2+ were studied in this work. ...
Uma avaliação qualitativa da presença de micotoxinas e micro-organismos toxigênicos em insumos e em cervejas artesanais
(Universidade Federal de São Carlos, 2019-12-06)
Consisting primarily of water, hops, malted and non-malted cereals as well as yeast, beer is one of the most consumed alcoholic fermented beverages in the world. Although there are risk laws that compromise product quality, ...
Desenvolvimento de um compósito inseticida-fertilizante microencapsulado para promover o aumento de produtividade agrícola
(Universidade Federal de São Carlos, 2017-09-29)
The main objective of this work was to develop a bioinsecticide-fertilizer model for pest insect control, formulated with extract of Azadirachta indica A. Juss. and humic acids as polymer matrix and fertilizer agent. ...
Funcionalização de 5-iodo-1,2,3-triazóis e síntese de seleno- e tioésteres por meio de reações de acoplamento carbonilativo empregando monóxido de carbono gerado ex situ
(Universidade Federal de São Carlos, 2022-06-06)
The use of pressurized carbon monoxide (CO) gas cylinders can lead to serious risks during their handling. Hence, the demand for safer carbonylation methods has been gradually increasing with the use of different techniques ...
Estudo da resposta de tecidos de Citrus sinensis em fases ontogenéticas distintas à infecção por Candidatus Liberibacter asiaticus
(Universidade Federal de São Carlos, 2021-06-29)
The objective was to develop analytical methods to evaluate the variation in the chemical profile between specimens of juvenile and mature tissues of Pera orange (C. sinensis) in cuttings and grafted on Rangpur lime (C. ...
Organocatálise assimétrica e sistemas vinílogos: adição de 1,3-oxazolina-2-tionas a aldeídos a,b-insaturados
(Universidade Federal de São Carlos, 2017-03-16)
The use of organic molecules in stereoselective transformations has emerged as a powerful tool for the efficient construction of chiral skeletons and complementing existing methods. Currently, a great variety of reactions ...
Sustainable synthesis of ciclopentene derivatives through multicomponent reactions in continuous flow regime
(Universidade Federal de São Carlos, 2020-03-25)
Sustainable chemistry has gained relevance in recent years, not only in the fine chemical industry, but also in organic synthesis. This new conception of chemistry allows the development of environmentally friendly processes, ...