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Propriedades fotocatalíticas de óxidos mistos preparados por oxidação eletrolítica a plasma (PEO)
(Universidade Federal de São Carlos, 2021-08-27)
The pollution of drinking water due to industrial activity in recent decades can have consequences for the supply and health of the population. Advanced oxidative processes (AOPs) such as heterogeneous photocatalysis are ...
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 ...
Influência da adição de tensoativos em redes de sílica para adsorção de corantes
(Universidade Federal de São Carlos, 2022-06-10)
Synthetic dyes, normally used industrially, when discarded incorrectly can cause damage to the environment and human life, inhibiting the passage of light in water bodies and hindering the photosynthesis of plants and algae ...
Nanopartículas de ouro funcionalizadas com flavina adenina dinucleotídeo para detecção eletroquímica de dopamina
(Universidade Federal de São Carlos, 2021-05-21)
Dopamine (DA) is a neurotransmitter with multiple roles in the central nervous system, and alterations in its level in the organism result in Parkinson’s and schizophrenia diseases. Therefore, DA levels monitoring in the ...
Investigação da dopagem anódica de filmes de Al203 com zinco pelo processo de oxidação eletrolítica a plasma (PEO)
(Universidade Federal de São Carlos, 2023-03-17)
With the growing demand for a healthier life, there is a great interest in materials that can eliminate pathogenic microorganisms. A great number of inorganic bactericidal materials are found as metallic nanoparticles and ...
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 ...
Fracionamento da lignina Kraft e aplicação em diferentes segmentos: Desenvolvimento de aditivo com propriedades de barreira e hidrogéis para remoção de metais potencialmente tóxicos
(Universidade Federal de São Carlos, 2023-11-24)
This study elucidates the significance of the Kraft lignin (KL) fractionation process to obtain less polydisperse fractions for application in the development of novel materials or integration of lignin fractions into the ...
Ensino de química nos anos finais: relato de aplicação de uma sequência didática envolvendo o modelo de Schroedinger e a distribuição eletrônica
(Universidade Federal de São Carlos, 2024-01-19)
Chemistry teaching in the final years of elementary school is done within the science discipline. In the ninth year, according to the BNCC, students should learn about atomic models, emphasizing the evolution process of ...
Percepção dos alunos no ensino básico sobre as mulheres na ciência: pesquisa e proposta de intervenção
(Universidade Federal de São Carlos, 2024-01-22)
The presence of women in the academic world has been fraught with difficulties throughout the history of science. Even though they are gradually conquering their space, there is still a great deal of differentiation between ...
Uma sequência didática em abordagem decolonial: a farinha de mandioca, os conhecimentos indígenas e o ensino de química
(Universidade Federal de São Carlos, 2024-01-25)
The current configuration of schools in our society grants the applied curriculum the power to transmit content and knowledge, but also positions and conceptions of the world. These conceptions can reinforce an overly ...