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Now showing items 51-60 of 72
Alfabetização e divulgação científica de química por meio da produção de histórias em quadrinhos
(Universidade Federal de São Carlos, 2015-10-16)
The research project, of qualitative character presented and analyzed a
scientific literacy activity process carried of 2 groups: the first group of
undergraduate students and the second group of high school students. ...
Avaliação de polímeros impressos para pré- concentração/extração de Se, U e Cd
(Universidade Federal de São Carlos, 2015-06-18)
This thesis describes the development of imprinted polymers for preconcentration of Se, Cd and U. The relevant factors to the FIA system and preconcentration were optimized by Doehlert matrix. Chapter I describes an ...
Eletrodos voltamétricos à base de nanotubos de carbono verticalmente alinhados aplicados na determinação de estatinas em formulações farmacêuticas e fluidos biológicos
(Universidade Federal de São Carlos, 2015-02-20)
In this work the application of electrodes based on a composite of Vertically Aligned Carbon Nanotubes and Graphene Oxide (VACNT-GO) as electrochemical sensor for the determination of pharmaceuticals from the statin class ...
Recuperação de reservatórios eutrofizados por atividades antrópicas : estudos em microcosmos
(Universidade Federal de São Carlos, 2016-05-25)
The economic development of a country depends on good quality of water
available, so the conservation and restoration of water bodies are strategic
conditions for this to happen. However, water resources have become ...
Avaliação e correção de interferências na determinação de As e Se por técnicas com plasma acoplado indutivamente
(Universidade Federal de São Carlos, 2012-02-28)
The aim of the thesis was to evaluate different strategies for correcting spectral and non-spectral interferences on As and Se determination by inductively coupled plasma optical emission spectrometry (ICP OES) and mass ...
Desenvolvimento de um magneto-imunoensaio microfluídico com detecção eletroquímica para diagnóstico de hanseníase
(Universidade Federal de São Carlos, 2023-03-23)
Leprosy is an infectious disease caused by the bacteria Mycobacterium leprae and its diagnosis is mostly performed by clinical examination. Thus, in this work, two magnetoimmunoassays were developed for the serological ...
Desenvolvimento de biossensores utilizando nanotubos de carbono e nanopartículas de ouro
(Universidade Federal de São Carlos, 2012-06-22)
First, a glassy carbon electrode modified with functionalized carbon nanotubes (CNTs) and glucose oxidase was proposed. Cyclic voltammetry of GOx immobilized onto the surface of CNTs showed a pair of well-defined redox ...
Aplicação de imagens digitais e técnicas espectroanalíticas combinadas com quimiometria para detecção e quantificação de adulteração em leite bovino
(Universidade Federal de São Carlos, 2013-02-22)
Milk provides essential nutrients (carbohydrate, fat, protein, minerals and vitamins) of great nutritional relevance for humans, particularly during childhood. Nowadays, the occurrence of milk adulteration is a major issue ...
Estudo da influência do glicerol no processo de deposição de ligas Zn-Mn e nos depósitos de Zn-Mn
(Universidade Federal de São Carlos, 2011-02-18)
The influence of glycerol additive on the electrodeposition process of Zn-Mn on Pt substrate from acid baths by means of cyclic voltammetry and the characteristics of the coatings by Scanning Electron Microscopy (SEM), ...
Avaliação da viabilidade da determinação de cobalto e cromo em alimentos por espectrometria de absorção atômica com forno tubular na chama e aerossol térmico (TS-FF-AAS).
(Universidade Federal de São Carlos, 2006-02-23)
In this work, a nickel tube used as atomization cell and a ceramic capillary for thermospray generation (TS-FF-AAS) were employed to increase the analytical performance of the flame atomic absorption spectrometry (FAAS). ...