Search
Now showing items 81-90 of 137
Avaliação do potencial antioxidante do tanino vegetal da Acácia negra em matrizes poliméricas de poliestireno após processo de envelhecimento acelerado
(Universidade Federal de São Carlos, 2022-04-26)
Nowadays, environmental sustainability is in the focus of the most important topics in materials science, and therefore, bio-based resources have become fundamental for the improvement of materials. When natural components ...
Obtenção de compósitos MoS2 / MoO3 aplicados na remoção de compostos catiônicos via adsorção
(Universidade Federal de São Carlos, 2022-02-25)
Sanitation is a practice applied in society since antiquity in order to promote the maintenance of public health in addition to protecting the environment. Purification of water for public supply is one of the operations ...
Estudo do Comportamento do Aço Inoxidável Austenítico AISI 321 Nitretado e Nitrocementado a Plasma Sob Solicitações de Desgaste, Corrosão e Fadiga
(Universidade Federal de São Carlos, 2023-09-01)
The AISI 321 austenitic stainless steel is used in the chemical, petrochemical and fertilizer industries, as it can operate at high temperatures (above 600 °C) and under corrosive media. However, it has poor tribological ...
Caracterização de biominerais a partir das interações entre vivianita e acidithiobacillus ferrooxidans, sob diferentes substratos sedimentares, como potencial para bioassinaturas em condições marcianas pretérita
(Universidade Federal de São Carlos, 2023-09-27)
The concept of “life” has not yet been established, nor has its origin been clarified. This represents a challenge for the areas of science that strive to investigate the possibility of life in environments other than ...
Desenvolvimento de dispositivos eletroquímicos descartáveis e reutilizáveis para detecção de biomarcadores de interesse clínico
(Universidade Federal de São Carlos, 2023-11-08)
In recent years, the search for new electrochemical devices that allow reliable, fast, easily accessible, highly sensitive, miniaturized and portable analyses has been required. Furthermore, they enable point-of-care ...
Estudo das Propriedades Tribológicas e Mecânicas do filme DLC multicamadas dopadas com nitrogênio
(Universidade Federal de São Carlos, 2023-03-27)
Diamond-like carbon (DLC) films have excellent mechanical properties but have difficulties in adhering to metallic surfaces. Nitrogen doping in the structure of DLC films provides better adhesion of the film to the substrate, ...
Estudo da hemoglobina em filmes nanoestruturados como mediador eletroquímico na aplicação em biossensores
(Universidade Federal de São Carlos, 2014-02-24)
The layer-by-layer technique is one of the most used in the immobilization of molecules of biological interest, being largely employed in the fabrication of modified electrodes for biosensors. One of the main challenges ...
Estudo da compactação de resíduos lignocelulósicos para utilização como combustível sólido
(Universidade Federal de São Carlos, 2011-02-08)
The production of energy from the combustion of lignocellulosic materials is an interesting way to waste recovery. Two main factors hampering the use of these residues as fuel are the low density and the high moisture ...
Estudo comparativo das tensões na interface de compósitos de resina epóxi reforçados com fibras de carbono, aramida e vidro.
(Universidade Federal de São Carlos, 2011-02-08)
Currently, composite materials are being used in several areas in substitution of some metallic alloys regarding to its superior properties and greater project flexibility. Therefore, synthetic fibers reinforced epoxy resin ...
Filmes nanoestruturados de polianilina e argila para aplicação em sensores ambientais
(Universidade Federal de São Carlos, 2011-02-25)
In this study the development of environmental sensors began from the fabrication of nanoestrutured films obtained by the technique of Layer-by-Layer (LbL). The films of obtaining a nanocomposite material composed of ...