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Mostrando ítems 381-390 de 397
Obtenção de sulfetos metálicos (M= Ni, Mo) pelo método solvotermal assistido por micro-ondas aplicados na reação de desprendimento de hidrogênio
(Universidade Federal de São Carlos, 2020-03-27)
In general, transition metal sulfides show good activity in the Hydrogen Evolution Reaction (HER). Some of these metals, such as Mo and Ni, arouse interest in the area of electrocatalysis, since they are more abundant and ...
Síntese de miméticos da urease de Canavalia ensiformis e avaliação mecanística da decomposição da ureia
(Universidade Federal de São Carlos, 2020-02-20)
Urease is a metalloenzyme found in many different organisms, which is also associated to virulence factors, such as pielonefritis. Hence, the study of urease inhibitors is necessary to control its activity. For a better ...
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. ...
UVC-based advanced oxidation processes for water treatment: laboratory and pilot plant scale studies
(Universidade Federal de São Carlos, 2020-09-21)
The challenge of providing good-quality water free from contaminants of emerging concern (including organic microcontaminants; OMCs) and pathogens is one of the main hot topics worldwide. Thus, the efficiency of different ...
Análise exploratória de constituintes inorgânicos em tecido, líquido ruminal e fezes de bovinos da raça Nelore (Bos Taurus Indicus)
(Universidade Federal de São Carlos, 2020-10-08)
The inorganic constituents supplied in the diet are essential for the development of cattle. This dissertation aimed to propose a procedure for the multi-element determination of Ca, Mg, P, K, S, Na, Cu, Fe, Mn, Zn, Co, ...
Multicomponent combinatorial synthesis of proplyl peptide-lipopeptoid hybrid catalyst: application in the asymmetric Michael addition under aqueous environment
(Universidade Federal de São Carlos, 2018-11-29)
This study describes the synthesis of a new library of prolyl peptides-lipopeptoid hybrids catalysts through a multicomponent combinatorial approach. For the design of this catalyst library, we took into consideration the ...
Estudo das propriedades fotoluminescentes do ZnS e ZnS: Eu obtidos pelo método solvotérmico assistido por microondas
(Universidade Federal de São Carlos, 2012-07-20)
This paper is about the synthesis, characterization and studies of nanostructures of ZnS and ZnS:Eu3+ prepared by microwave-assisted solvothermal method. The influence of the synthesis time in the microwave on the samples ...
Desenvolvimento de um novo protocolo sequencial três etapas para a síntese de 1,2,3-triazóis 1,4-dissubstituídos assistida por irradiação de micro-ondas
(Universidade Federal de São Carlos, 2019-12-11)
Heterocyclic compounds has received a great attention in the branch of synthetic chemistry due to their wide field of applications, and among these, 1,2,3-triazoles are highlighted. In this work, a new three-step sequential ...
Preparação de um novo catalisador de cobre trocado em zeólita magneticamente recuperável para síntese de 1,2,3-triazóis 1,4-dissubstituídos
(Universidade Federal de São Carlos, 2018-07-06)
The search for more sustainable methodologies has led in recent years to a significant increase in the development of more efficient heterogeneous catalysts, easily recoverable and with high stability over several reaction ...
Remoção de contaminantes emergentes via sistema eletroquímico fotoassistido
(Universidade Federal de São Carlos, 2020-12-16)
The present work presents the characterization and application studies of semiconductor materials used in the degradation of naproxen in environmental pathways. It is recognized that semiconductor materials present as ...