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Desenvolvimento de método analítico com emprego da espectrometria de absorção atômica para a determinação de Cd, Fe, Pb e Zn em amostras de interesse alimentício
(Universidade Federal de São Carlos, 2008-07-31)
Analytical chemistry plays a fundamental role in proposing fast and reliable procedures to analyze food samples. Proper selection and introduction of complementary foods reduces the vulnerability to micronutrient deficiencies. ...
Definição de metodologias para determinação de ferro em sangue de bovinos resistentes e sensíveis a carrapatos
(Universidade Federal de São Carlos, 2007-06-22)
Different forms of iron had been determined in the blood of animals with resistance and sensitivity to bovine s ticks. The determined variables were: Iron in total, plasma and serum blood, quantified by flame atomic ...
Produção e caracterização de material de referência de forrageira para nutrientes e contaminantes inorgânicos
(Universidade Federal de São Carlos, 2013-04-12)
The main aim of this work was to produce a candidate material for national reference material, the forage Brachiaria brizantha Stapf. cv. Marandu, containing known levels of contaminants (Cr, Pb, Cd, and As) and macro and ...
Análise foliar de plantas por espectrometria de emissão óptica com plasma induzido por laser (LIBS) e com plasma acoplado indutivamente após ablação com laser (LA-ICP OES)
(Universidade Federal de São Carlos, 2013-09-20)
It has been demonstrated that laser induced breakdown spectrometry (LIBS) can be used as an alternative method for the determination of macro (P, K, Ca, Mg) and micronutrients (B, Fe, Cu, Mn, Zn) in pellets of plant ...
Eletrodo de diamante dopado com boro para a determinação voltamétrica/amperométrica de antihelmínticos e anti-hipertensivos
(Universidade Federal de São Carlos, 2014-06-27)
In this work it was developed, firstly, one method for determination of anthelmintic albendazole (ABZ) using differential pulse voltammetry (DPV) and the boron doped diamond (BDD) electrode catholically pretreated (BDD-CPT). ...
Tratamento metrológico e quimiométrico de dados de ressonância magnética nuclear para amostras de biodiesel em diesel
(Universidade Federal de São Carlos, 2012-03-29)
The development of instrumentation in Nuclear Magnetic Resonance (NMR) increased the sensitivity of the technique, allowing samples in micro and nanogram scale can be examined. These new technologies enabled the NMR technique ...
Desenvolvimento de biossensores à base de filmes poliméricos, nanotubos de carbono e nanopartículas de ouro
(Universidade Federal de São Carlos, 2013-06-07)
In this work was described the development of new architectures for biosensors, using nanomaterials. The enzyme of interest was immobilized on glassy carbon electrode modified with multi-walled carbon nanotubes chemically ...
Desenvolvimento de eletrodos de carbono vítreo modificados com nanotubos de carbono para a determinação de analitos de interesse farmacêutico
(Universidade Federal de São Carlos, 2013-03-21)
In this work, the development of electroanalytical methods for the determination of methotrexate (MTX), propylthiouracil (PTU), propanolol (PROP) and verapamil (VPM) in pharmaceutical formulations is described. In these ...
Desenvolvimento de analisadores automáticos em fluxo para o monitoramento de analitos de interesse farmacêutico utilizando microdispositivo LTCC e um minifotômetro Labmade
(Universidade Federal de São Carlos, 2011-07-14)
The objective of this study was to develop automatic flow analyzers for the determination of pharmaceutical analytes using a micro-device based on LTCC (Low Temperature Co-fired Ceramics) and a mini-photometer as the ...
Estudo da viabilidade do uso de métodos de segunda ordem e RMN na elaboração de fingerprint de bauhinia forficata baseado em seu extrato bruto
(Universidade Federal de São Carlos, 2014-10-30)
Given the large number of species of Bauhinia and great morphological similarity between them, it is necessary the development of robust analytical techniques in quality control of plants used as herbal medicines, since ...