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Síntese de micro / nanopartículas de óxido de cálcio por queima de alginato usando via verde
(Universidade Federal de São Carlos, 2018-04-05)
The present study describes the synthesis of micro / nanoparticle by the method of combustion of alginate associated with ions through gelling, verifying if the properties of the metallic oxides can be influenced by gelation ...
Desenvolvimento da microscopia de força química usando modelagem molecular
(Universidade Federal de São Carlos, 2013-03-19)
In this work was developed a prototype of a new nanobiosensor with molecular specificity through a study of theoretical models of Chemical Force Microscope. For the sensing were used molecular modeling techniques as well ...
Obtenção de nanocelulose a partir da funcionalização da celulose por oxipropilação
(Universidade Federal de São Carlos, 2020-03-27)
The present study aimed to obtain functionalized nanocellulose through the oxypropylation reaction. Thereunto, the cellulose was submitted to an initial activation step with a sodium hydroxide solution, and then the reaction ...
Géis, nanocompósitos e compósitos de pectina preparados utilizando a técnica adaptada de ice template.
(Universidade Federal de São Carlos, 2020-05-20)
Byopolymers, such as pectin, have the ability to form gels which allows their use as jelly thickeners in food industries, for example. Porous pectin gels are generally homogeneous, forming a water-rich mesh. Pores are ...
Obtenção de nanocelulose bacteriana de kombucha
(Universidade Federal de São Carlos, 2020-03-24)
In the last years, sustainable materials that provide less environmental impact are gaining special attention. In this context, cellulose, a natural and abundant polymer from several renewable vegetable and microbial ...
Desenvolvimento de um sistema de liberação utilizando nanotubos de TiO2
(Universidade Federal de São Carlos, 2020-07-24)
Titanium-based implants are being commonly used in the field of biomedicine due to their attractive biocompatibility and their mechanical properties that contribute to a better performance of the material. This dissertation ...
Estudo das propriedades antimicrobianas de filmes de nanocelulose e nanopartículas de prata
(Universidade Federal de São Carlos, 2019-03-28)
Silver is an element with widely recognized bactericidal activity. Its use in the modification of materials has been studied for decades and its use goes through different forms of incorporation in the matrices of interest, ...
Determinação de aminas biogênicas em amostras de alimentos utilizando a eletroforese capilar
(Universidade Federal de São Carlos, 2019-04-26)
Food safety issues usually relate several quality indicators, such as biogenic amines (BAs). These BAs are produced by all living organisms, possess biological activity and may be present in a variety of foods and beverages. ...
Funcionalização química de nanofibrilas de celulose com haleto orgânico e hidrogenossulfato
(Universidade Federal de São Carlos, 2022-12-19)
Belonging to the chemical group of carbohydrates and considered the main component of the plant cell wall, ensuring protection and support for the development of vegetables, cellulose is the most abundant biopolymer on ...
Análise de analogias em livros didáticos de química envolvendo o conceito de modelos atômicos
(Universidade Federal de São Carlos, 2021-03-17)
This work describes a research involving the use of analogies related to scientific development and its use in the classroom in order to approximate the scientific concepts of students through their previous knowledge. ...