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Influência do haleto/pseudohaleto na catálise de hidrogenação por complexos do tipo cis- [Ru(A)2(dppb)(N-N)]
(Universidade Federal de São Carlos, 2013-04-26)
THE INFLUENCE OF HALIDE/PSEUDOHALIDE IN
HYDROGENATION CATALYSIS BY COMPLEX CIS-[RU(A)2(DPPB)(N-N)].
Ruthenium complexes, with general formula cis-[Ru(A)2(dppb)(N-N)], (A =
pseudohalides CN-, N3
- e SCN-) were obtained ...
Estudo da formação e isolamento de heterocomplexos constituídos pela combinação entre 4,4’,4’’,4’’’- tetracarboxiftalocianina de ferro ou 4,4’,4’’,4’’’- tetrassulfoftalocianina de ferro e tetrakis (N-metil- 4-piridil) porfirina de ferro e aplicação em filmes LbL”
(Universidade Federal de São Carlos, 2016-01-04)
The great
interest in supramolecular assemblies between porphyrins and phthalocyanines has
growing lately due to the enhancement on chemical and physical properties compared to
individual units. Ionic assemblies with ...
Preparação, caracterização e testes de filmes bicamadas de polipirrol-poli(DMcT) sobre fibra de carbono para eletrodos de supercapacitores
(Universidade Federal de São Carlos, 2013-10-25)
The aim of this work was to synthesize and characterize bilayered films of polypirrole and poly(2,5- dimercapto-1,3,4-thiadiazole) poly(DMcT) as possible materials for supercapacitor electrodes. Composites of carbon ...
Emprego de técnicas espectroanalíticas para a análise de amostras de solos e de coprólitos : análise de textura e exploratória
(Universidade Federal de São Carlos, 2015-08-21)
In this
study, samples of coprolites (fossilized feces) were analyzed in LIBS (Laser-Induced
Breakdown Spectroscopy) to evaluate the chemical profile in these samples using
hyperspectral images, which enable us to assess ...
Desenvolvimento de procedimentos analíticos para a avaliação de nanosuspensões de fertilizantes e efeitos sobre a produtividade de culturas agrícolas
(Universidade Federal de São Carlos, 2016-04-04)
This study was carried out in three steps: 1) production and characterization of nanosuspensions; 2) development of analytical methods for elemental analysis of fertilizers and plant tissues and comparison between ...
Funcionalização e caracterização do carbon black vulcan XC–72R para aplicações em biossensores baseados em inibição enzimática
(Universidade Federal de São Carlos, 2016-02-18)
In this work, carbon black Vulcan XC-72R was functionalized using five different treatments, the oxidizing agents employed were: nitric acid, sulfuric acid and hydrogen peroxide. The physical characterization of functionalized ...
Desenvolvimento de procedimentos eletroanalíticos para a determinação simultânea de analgésicos em formulações farmacêuticas e fluidos biológicos empregando o eletrodo de diamante dopado com boro
(Universidade Federal de São Carlos, 2015-07-30)
In this master dissertation, electroanalytical procedures for the simultaneous determination of analgesics paracetamol (PAR) and codeine (COD) and, PAR and tramadol (TRA) in pharmaceutical samples and biological fluids ...
Estudo químico do fungo Memnoniella levispora : busca por metabólitos secundários inibidores da Phytophtora nicotianae
(Universidade Federal de São Carlos, 2015-03-19)
Among the various diseases which attack citrus worldwide, the gummosis is caused by species of the genus Phytophthora. The various species
present in the literature, the most severe in Brazil is P. nicotianae. This pathogen ...
Estudo teórico de relações entre quiralidade de moléculas confinadas e simetria de cavidades
(Universidade Federal de São Carlos, 2015-08-07)
Carbone nanotubes (CNT) have
been widely investigated both experimentally and theoretically because their
remarkable geometry and physical-chemical properties, in regard especially of
their possible applications as ...
Avaliação da atividade fotocatalítica do óxido de cobre imobilizado em suporte magnético nanoestruturado
(Universidade Federal de São Carlos, 2015-07-31)
Contamination by dyes is one of the main problems related to water and environment pollution. In recent years, the search for new alternatives for the appropriate treatment of organic wastewater compounds has intensified. ...