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Emprego da organocatálise como uma ferramenta da química verde em reações de adição conjugada : estudos visando a síntese de anéis indólicos
(Universidade Federal de São Carlos, 2012-03-30)
Organocatalysis has emerged as a powerful synthetic paradigm and has accelerated the development of new methods to make diverse chiral molecules. In addition, the small chiral organic molecules used to accelerate asymmetric ...
Estudo das propriedades fotofísicas de molibdatos de estrôncio dopados com európio (III)
(Universidade Federal de São Carlos, 2011-06-30)
Study of the photophysical properties of strontium molybdates doped with Europium (III). In this project the strontium molybdates doped with europium were characterized using various techniques like X-ray diffraction, ...
Acondicionamento de hidroxiapatita nanoparticulada em sachês biodegradáveis para aplicação como fertilizante mineral
(Universidade Federal de São Carlos, 2015-07-24)
In 2013, the portion of the Brazilian
agrarian system in the gross domestic product reached 22.54% according to CEPEA.
The production of agricultural commodities is extremely dependent on imported
fertilizer, as 74.6% ...
Desafios na análise de benzofenonas em leite materno por injeção direta de amostras usando cromatografia líquida hifenada à espectrometria de massa
(Universidade Federal de São Carlos, 2018-08-30)
As a solution to the paradigm of achieving maximum efficiency in a shorter analysis time, Ultra High-performance Liquid Chromatography (UHPLC) coupled to mass spectrometry (MS / MS) have been successfully explored. The ...
Acilação e alquilação fotoquímica de heteroarenos utilizando diacetil
(Universidade Federal de São Carlos, 2018-11-01)
N-heterocycles are important building blocks in the synthesis of bioactive compounds, besides that many of them are present in natural products. Most of the methodologies for heteroarene functionalization requires several ...
Desenvolvimento de procedimentos eletroanalíticos para a determinação de fármacos em formulações farmacêuticas e fluidos biológicos empregando sensores à base de carbon black
(Universidade Federal de São Carlos, 2019-02-28)
In this work, voltammetric methods for determination of losartan potassium and ketoconazole using an electrode modified with carbon black were developed. Originally, a sensor was constructed with carbon black, chitosan and ...
Síntese e estudo das propriedades fotoluminescentes dos pós de CaTiO3 decorados com α-Ag2WO4
(Universidade Federal de São Carlos, 2016-02-24)
The CaTiO3 (CT) and α-
Ag2WO4 (AW) are known to have photoluminescent properties, which is favored by
the existence of a structural disorder. The combination of these two materials was
observed through decoration of ...
Degradação eletroquímica e fotoquímica em série do herbicida picloram utilizando um anodo dimensionalmente estável e luz UV
(Universidade Federal de São Carlos, 2016-10-21)
A coupled electrochemical-photochemical system (EQ-FQ) using a dimensionally stable anode (ADE) and UV light was used for the oxidation and mineralization of picloram (PCL) herbicide, which is a potential contaminant of ...
Estudo do efeito dos parâmetros de síntese da Sn-MCM-41 e Sn-SBA-15 em suas propriedades estruturais, texturais e catalíticas na isomerização da glicose
(Universidade Federal de São Carlos, 2019-02-18)
The 5-hydroximethilfurfural (5-HMF) is a platform molecule that has great potential to originate a wide range of compounds with potential interest in biorefinery, as well as compounds currently produced exclusively from ...
Ligação covalente coordenada boro-nitrogênio : um estudo comparativo entre moléculas derivadas do etano, eteno e etino orgânicos e inorgânicos
(Universidade Federal de São Carlos, 2016-12-06)
This work consists in the theoretical analysis and comparison of some
organic compounds and its similar inorganics, through the change of the BN pair,
and, in some cases, the BP pair, in the place of CC pair. First, ...