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Estratégias espectroanalíticas para análise química inorgânica de plantas medicinais
(Universidade Federal de São Carlos, 2014-12-01)
This thesis describes the development of analytical procedures based on direct solid analysis by high-resolution continuum source atomic absorption spectrometry in graphite furnace (SS-HR-CS GF AAS) and aqueous solutions ...
Especiação química de As e Cd por HPLC-ICP-MS em forrageira Brachiaria brizantha Stapf. cv. Marandu cultivada em solo previamente contaminado
(Universidade Federal de São Carlos, 2014-03-21)
Recent research and advances in analytical chemistry show that the total content determination of an element, although it is essential, is limited since it is not sufficient to provide information about the bioavailability ...
Desenvolvimento de imunossensores piezelétrico e eletroquímico para detecção de amostras de interesse agronômico e de saúde
(Universidade Federal de São Carlos, 2012-07-23)
This work shows development of immunosensors for agronomic interest and public heath. The first was a piezoeletric immunosensor to detect a cysteine peptidase, a potencial biomarker for Xanthomonas citri subsp. citri that ...
Determinação da disponibilidade de Ca, Cu, Fe, Mg e Zn em amostras de carnes bovinas, suínas e de frango In natura e processadas termicamente
(Universidade Federal de São Carlos, 2010-07-30)
In this work, the availability of Ca, Cu, Fe, Mg, and Zn in bovine, pork and chicken meat samples raw and after thermal treatments: water boiled, grilled, microwave, convention oven I 180 oC (FCI) and conventional oven ...
Desenvolvimento de eletrodos de carbono vítreo modificados com nanotubos de carbono funcionalizados imobilizados em filmes de hidrocloreto de poli(alilamina) para determinação de fármacos
(Universidade Federal de São Carlos, 2011-02-18)
Research involving carbon nanotubes (CNT) have a great attraction since its synthesis to the technology application. As part of the work was studied the formation and the stability of a functionalized Multiwall Carbon ...
Especiação de metais e sua interação com a matéria orgânica dissolvida em um reservatório artificial
(Universidade Federal de São Carlos, 2010-05-28)
Environmental degradation of aquatic ecosystems stimulates investigations about the interactions between dissolved organic matter, trace metals and the biota. This study aimed to investigate the speciation of cadmium, ...
Estratégias analíticas para a avaliação química de solos e liquens da Antártica marítima
(Universidade Federal de São Carlos, 2011-08-12)
The aim of this PhD thesis is the ample study of soil and lichen samples from Antarctica, collected in regions under strong anthropogenic impact. Surface soil samples were collected around several scientific stations: ...
Desenvolvimento de eletrodos modificados com polímeros condutores e nanotubos de carbono e aplicação na determinação de analitos de interesse farmacêutico em amostras biológicas e em fármacos
(Universidade Federal de São Carlos, 2011-07-15)
In this work is reported the studies carried out modified electrodes with poly(1-aminoanthracene) (PAA) and poly(1-aminoanthraquinone) (PAAQ), and composite films from a mixture of polymers with carbon nanotubes (CNTs). ...
Desenvolvimento de métodos para fracionamento de proteínas e metaloproteínas em carne bovina
(Universidade Federal de São Carlos, 2011-09-30)
This thesis aimed the fractionation of metalloproteins in beef samples. To this purpose initially it was proposed a method for extraction of proteins using the sample extractor in buffered alkaline medium and surfactant ...
Remediação de sedimentos eutróficos da Represa Ibirité (MG) pela adição de nitrato e Phoslock : experimentos em laboratório
(Universidade Federal de São Carlos, 2010-12-20)
Ibirité Reservoir (Ibirité/Sarzedo, MG) receives untreated effluents and raw sewage from the city of Ibirité and surroundings, which are the main cause of the eutrophication of this ecosystem. Past studies have shown that ...