Search
Now showing items 301-310 of 481
Estudo da influência da composição química nas propriedades da borracha natural dos novos clones de seringueira RRIM 711, RRIM 926 e RRIM 937
(Universidade Federal de São Carlos, 2017-12-07)
Brazil, that already was the largest producer of natural rubber in the world, faces a deficit in its production, what has resulted in the necessity to research of clonal varieties of rubber trees with high quality and ...
Síntese eletroquímica e caracterização de filmes finos de Sb2Se3
(Universidade Federal de São Carlos, 2017-12-05)
Due to the environmental appeal, the shortage of raw material and the chemical complexity of some systems employed at photovoltaic devices, interest has been growing for semiconductors composed of abundant, low toxicity ...
Avaliação e caracterização de lignina em biomassa de Citrus sinensis L. Osberck
(Universidade Federal de São Carlos, 2017-04-20)
The large production of citrus residue has promoted problems in its processing and cultivation, resulting in biomass storage and environment pollution. It is estimated that 94 million tons of citrus are produced worldwide ...
Estudo químico do fungo endofítico isolado de Hortia superba (Rutaceae) na produção de compostos secundários
(Universidade Federal de São Carlos, 2018-03-06)
The order
Sapindales, compost for the families Rutaceae, Meliaceae, Burseraceae,
Simaroubaceae, Bierbersteiniaceae, Kirkiaceae, Anacardiaceae, Sapindaceae and
Nitrariaceae, is rich in various classes of speciais ...
Síntese de LiFePO4 em sistema hidrotermal assistido por micro-ondas, caracterização e testes como catodo de baterias de íons lítio
(Universidade Federal de São Carlos, 2018-07-30)
Different routes for lithium iron phosphate (LiFePO4) synthesis were studied in a microwave-assisted hydrothermal system in order to reduce the time and temperature of synthesis in relation to the traditional methods of ...
Avaliação sistemática do efeito de matriz em ensaios bioanalíticos por LC-MS/MS para a análise de rifampicina em fluidos biológicos
(Universidade Federal de São Carlos, 2011-04-29)
Bioanalytical assays by LC-MS/MS were conducted in order to investigate the
matrix effect (ME) in the analysis of rifampicin (RIF) in biological matrices, human
plasma or microsomal fractions, which were submitted to ...
Síntese eletroquímica e caracterização de filmes finos de compostos da forma BiSe(X), com X = Cu, Fe ou Co
(Universidade Federal de São Carlos, 2015-10-26)
The present work is based on the literature related to the Bi2Se3 compound, which is present in current researches as a topological insulator and is also well known for thermoelectricity applications. In this work the ...
Complexos mono- e bimetálicos de cobre(II) e de cobalto(III) com bases de Schiff tridentadas e tetradentadas: sínteses, caracterizações e estudos em reações catalíticas
(Universidade Federal de São Carlos, 2014-05-20)
This dissertation details the synthesis with satisfactory reaction yields (between 56.3 and 96.5%) of mono- and bimetallic complexes of copper(II) and of cobalt(III), containing as ligands, tridentate and tetradentate ...
Síntese de precursores de heterociclos e sistemas cíclicos nitrogenados
(Universidade Federal de São Carlos, 2018-03-23)
β-halovinyl ketones are valuable and versatile synthetic intermediates for the synthesis of precious bioactive molecules. Majority of the already described methodologies for the synthesis of these versatile building blocks ...
Determinação in situ de analitos de interesse alimentício empregando tratamento de imagens digitais de spot tests
(Universidade Federal de São Carlos, 2013-07-12)
In this work a simple, fast and inexpensive analytical method was developed to carry out in situ determinations of ethanol and sulfite ions in food samples. The method was based on digital images captured by cameras and / ...