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Síntese e caracterização de filmes anódicos de NB-AL2O3 sobre al por oxidação eletrolítica à plasma
(Universidade Federal de São Carlos, 2019-03-07)
In this study, the anodization under high electric field, also known as Plasma Electrolytic Oxidation (PEO), was used for the synthesis of oxide coatings containing Nb2O5 and Al2O3 on Al substrate. The mechanisms of the ...
Aplicação de Plasma Electrolytic Oxidation (PEO) para síntese de óxidos anódicos sobre alumínio em eletrólito contendo íons Ag+
(Universidade Federal de São Carlos, 2020-03-27)
The growing concern with the quality of food by consumers, has led the industry to new technologies to guarantee this condition. Antimicrobial films appear as active packaging that, in addition to protecting and conditioning ...
Nanocristais de celulose provenientes de fibras amazônicas com potencial aplicação na produção de nanocompósitos
(Universidade Federal de São Carlos, 2021-11-19)
Among all the natural polymers, we can highlight the use of cellulose, a mutable and profuse biopolymer in nature, which has enormous chemical variability due to the functionalization of its various hydroxyl groups. It can ...
Síntese de membranas de alumina anódica porosa sobre substratos metálicos obtidos por evaporação térmica
(Universidade Federal de São Carlos, 2017-03-14)
This work covers the investigation and synthesis of nanometric structures of Porous Anodic Alumina PAA, produced from low purity substrates, in aim to obtain selfsustained membranes. The Hard Anodization (HA) and Mild ...
Fabricação de biossensor óptico de glicose em alumina anódica porosa
(Universidade Federal de São Carlos, 2016-03-31)
Porous anodic alumina (PAA) has been used as platform for the manufacture of optical sensors. Itshows chemical resistance, thermal stability, hardness, biocompatibility, high surface area which facilitates interaction with ...
Membrana de látex com incorporação de arnica visando o tratamento de queimaduras de segundo grau
(Universidade Federal de São Carlos, 2021-09-30)
In recent years, several studies have focused on therapeutic alternatives in the treatment of skin injuries caused by burns. In this context, the search for biomaterials and natural substances that can help in the regeneration ...
Obtenção de filmes fotocatalisadores por oxidação eletrolítica assistida por plasma (PEO) sobre titânio metálico
(Universidade Federal de São Carlos, 2021-12-16)
The literature demonstrates the use of irradiated semiconductors in the treatment of effluents in a process called heterogeneous photocatalysis, a variant of advanced oxidative processes. The applicability of semiconductors ...
Estudo Comparativo da Resistência ao Desgaste Abrasivo de Revestimentos Duros dos Tipos FeCrC, FeMn, FeTiCW e FeNbC
(Universidade Federal de São Carlos, 2021-12-15)
This paper evaluated the resistance to abrasive wear of four types of hard coatings applied by welding to steel used in the sugar and ethanol and mining sectors that can coat defriber hammers, sugarcane chopping knives or ...
Síntese de microfibras biopoliméricas de zeína/hidroxipropilmetilcelulose e nanofibrila para liberação controlada de fármacos
(Universidade Federal de São Carlos, 2022-09-09)
This master’s thesis aimed to develop electrospun microfibers formed by hydroxypropylcellulose acetate succinate (HPMC-AS), zein and celulose nanofibril to be used in the release of metronidazole (MDZ) and metronidazole ...
Borracha natural modificada com ácido hialurônico para aplicações em lesões cutâneas
(Universidade Federal de São Carlos, 2022-08-22)
Skin lesions are considered a public health problem, because in addition to
compromising and impairing the quality of life of individuals, they can generate high costs for
the health system. In this context, the search ...