Buscar
Itens para a visualização no momento 41-50 of 131
Desenvolvimento de estratégias de funcionalização em nanopartículas de ouro para aumentar a sensibilidade de testes para diagnósticos virais
(2019-07-10)
Gold nanoparticle (AuNPs) functionality has been highlighted in several areas of knowledge in recent decades, including diagnostics, where factors such as dispersion and stability are directly related to the test performance, ...
Aperfeiçoamento da técnica de preparo de biocatalisador imobilizado para a obtenção de ácido lactobiônico e sorbitol em diferentes sistemas de produção
(2017-06-28)
Lactobionic acid and sorbitol have important applications in cosmetic and pharmaceutical industries. These products can be obtained in equimolar basis in reactions catalysed by glucose-fructose oxidoreductase (GFOR) and ...
Produção de aerogel a partir de nanofibras de celulose obtidas de resíduos da indústria moveleira (Pinus elliottii var. elliottii) para sorção de óleos
(2018-02-01)
Petroleum is a feedstock of great economic value. Due to the aim for non-renewable feedstocks substitution, vegetable oils have been used ever more as a feedstock for fuels and polymers. Spills during oil handling are ...
A influência das variáveis de processamento e de diferentes tipos de nanocargas nas propriedades dos compósitos de polipropileno
(2015-08-12)
In this work an evaluation of the thermal and mechanical properties of PP/PP-g-MA composites with 5 and 10 wt% of MMT-Na+, MMT-15A, MMT-30B, CaCO3 and CaCO3-AE nanofillers was performed. Composites were prepared in a ...
Produção e caracterização de criogéis de celulose Pinus elliottiii para a adsorção de petróleo
(2017-09-21)
The production of cellulose cryogels for oil adsorption becomes an interesting study since cellulose is an economical, renewable, biodegradable and abundant source in the environment. Within this context, the aim of the ...
Efeito da fluoração superficial de fibras de aramida em compósitos à base de resina éster-vinílica com foco em comportamento de impacto
(2017)
The use of composite materials enables the improvement of the materials mechanical properties associated with lower densities favoring protection of personnel, military vehicles and aircrafts. The advantages of polyaramid ...
Desenvolvimento e caracterização de placas aglomeradas de resíduos de polieuretano "skin", com diferentes retardantes de chama
(2018-03-12)
The polymeric materials are widely used in many application areas, such as in civil construction, automotive, packaging, general industry, among others, replacing metals, ceramics and wood in a versatile and efficient way ...