Buscar
Mostrando ítems 91-100 de 135
Microplásticos: impacto ambiental de polímeros fotodegradados
(Universidade Federal de São Carlos, 2020-02-03)
Plastics have been studied for their environmental impact, since when discarded in the environment they do not disappear. Over time they degrade and fragment into smaller pieces, reaching the microscale. When exposed to ...
Filmes nanoestruturados para detecção do antígeno prostático específico utilizando nanopartículas de ouro
(Universidade Federal de São Carlos, 2019-02-15)
In the present work, nanostructured films were prepared through the self-assembly techniques for the detection of prostatic specific antigen (PSA), a glycoprotein produced in abnormal levels in case of prostate cancer. Two ...
Efeitos da nitretação a plasma e do filme de carbono amorfo (a-C:H) aplicado ao aço 1020 na resistência ao desgaste em alumínio AA 3104
(Universidade Federal de São Carlos, 2020-04-03)
The AA 3104 aluminum is widely used as packaging for food storage, as it is a versatile alloy with easy mechanical conformation, however, it causes high wear to the cutting knife due to friction during the packaging ...
Poliuretanos obtidos de fonte renovável para aplicação em produtos capilares
(Universidade Federal de São Carlos, 2015-03-19)
One of the most remarkable and diverse physical characteristics among human beings - and, thus, fundamental for personal identity - is hair. The search for personal hair care products has been increasing in the last years ...
Estudo da deformação plástica severa por junção por laminação assimétrica acumulada (JLAA) do alumínio AA1050
(Universidade Federal de São Carlos, 2018-04-05)
Aluminum alloys are widely used in the automotive and aerospace industries due to some characteristics such as low density and high corrosion resistance, but their low tensile strength restricts a number of applications. ...
Blenda de Polihidróxibutirato(PHB)/Copoliéster Alifático Aromático (AAC) Ecoflex® reforçada com nanofibras de celulose (NFC): análise da resistência mecânica e propriedades químicas
(Universidade Federal de São Carlos, 2016-03-21)
Due to increasing use of polymeric materials in society and the large volume of
of those materials disposal in nature, the biodegradable polymers have
increased interest in research of materials area. The Polyhydroxybu ...
Síntese, caracterização e adesão celular de uma nova classe de hidrogéis injetáveis, termo sensíveis e biodegradáveis
(Universidade Federal de São Carlos, 2014-03-10)
Hydrogels have been widely studied, especially as injectable materials for applications as biomaterials. These hydrogels may possess thermosensitive features near body temperature (LCST Lower Critical Solution Temperature ...
Análise da eficiência energética das biomassas utilizadas em fornos cerâmicos na região de Tatuí-SP
(Universidade Federal de São Carlos, 2015-02-26)
Energy production in the form of heat from the burning of lignocellulosic materials is an interesting form of waste recovery. However, one needs to know the physical and chemical characteristics ...
Síntese de heteroestruturas TiO2/BiVO4 via "blocos de construção" para aplicação em fotocatálise heterogênea
(Universidade Federal de São Carlos, 2020-03-06)
Two environmental problems of great importance today are the release of organic contaminants in aquatic bodies and Carbon Dioxide (CO2) in the atmosphere. The first problem is associated with increased industrial and ...
Fabricação de filmes ultrafinos no interior de microcanais
(Universidade Federal de São Carlos, 2013-02-06)
The aim here is the fabrication and characterization of nanostructured thin films of different materials inside microchannels to assist the integration process of electronic tongue in lab-on-a-chip devices. The ultrathin ...