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Mostrando ítems 571-580 de 1059
Determinação voltamétrica de aspartame e ciclamato de sódio em produtos dietéticos empregando um eletrodo de diamante dopado com boro.
(Universidade Federal de São Carlos, 2007-08-03)
The development of electroanalytical procedures for
aspartame and sodium cyclamate determination in dietary products using a
boron doped diamond (BDD) electrode and the square wave voltammetry
(SWV) is reported in this ...
Estudo de interação lectina-carboidrato por meio da técnica de microbalança de cristal de quartzo
(Universidade Federal de São Carlos, 2006-10-20)
In this work a study of proteins Jacalin and Concanavalin A, belonging to the class of lectins, and the interaction with different carbohydrates was accomplished through Quartz Crystal Microbalance (QCM). The lectins were ...
Desenvolvimento de eletrodo modificado com filme de poli(1-aminoantraceno) para determinação de dopamina em formulação farmacêutica
(Universidade Federal de São Carlos, 2007-08-24)
The aim of this work was to study the electrochemical response of the electrode modified with poly(1-aminoanthracene) (PAA) for dopamine (DA) determination by means of cyclic voltammetry and differential pulse voltammetry ...
Avaliação do desempenho de diferentes tipos de nanotubos de carbono na determinação de íons metálicos e ácido mefenâmico
(Universidade Federal de São Carlos, 2008-03-12)
This work is summarized in the evaluation of the acting of different types of carbon nanotubes (CNTs) in the determination of metallic íons. The appraised electrodes differ amongst themselves for the form of synthesis of ...
Telurooxetanas: estudos cristalográficos, modelagem molecular e cálculos de docking para aplicação biológica
(Universidade Federal de São Carlos, 2009-02-10)
This work is composed of 4 chapters. In Chapter 1 is a description of the problems addressed here, starting with the characteristics of the protein, its biological and social importance, and the interactions responsible ...
Determinação de aminoácidos totais em amostras de plantas empregando multicomutação
(Universidade Federal de São Carlos, 2005-10-25)
In this work, development of a multicommutation system for the determination of total amino acids in samples of plants were proposed. The system is based on the complexition of amino functional groups of amino acids by ...
Determinação de cádmio, chumbo, tálio e zinco em águas e alimentos por espectrometria de absorção atômica com injeção de amostra em forno aquecido por chama (BIFF-AAS).
(Universidade Federal de São Carlos, 2005-07-01)
A flame atomic absorption method based on the introduction of a liquid sample jet into a heated tube placed in the burner head of the spectrometer was evaluated for the determination of Cd, Pb, Tl and Zn in foods and ...
Nitrosilo complexos de rutênio com ligantes bifosfínicos: espectroscopia, eletroquímica, estudo da reatividade e liberação de NO.
(Universidade Federal de São Carlos, 2005-12-09)
In this thesis some series of ruthenium nitrosyl complexes presenting as common characteristic the presence of diphosphines ligands in their structures, among them: dppm,
dppe, c-dppen, dppp, dppb, dcpe and dppf were ...
Síntese, caracterização e estudos cinéticos da isomerização de compostos de Ru(II) contendo ligantes (X-bipy) ( X=-H, -NO2, -Me, - COOH, -SMe, O=SMe, -Cl, -OMe).
(Universidade Federal de São Carlos, 2004-01-30)
The synthesis of coordination compounds containing bipyridine
derivative ligands and the influence of the substituent groups on the physical and
chemical properties were studied in this work.
Mixed compounds of the type ...
Uso de modificadores permanentes em filamento de tungstênio para aprisionamento de hidretos de arsênio, selênio, antimônio e vapor de mercúrio e determinação por espectrometria de absorção atômica.
(Universidade Federal de São Carlos, 2005-12-08)
In this work, a systematic evaluation of permanent chemical
modifiers on tungsten coil atomizer for in situ trapping of selenium hydride (H2Se), arsine (AsH3), stibine (SbH3) and mercury vapor was done. The trapping occurred ...