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Distribuição de elementos potencialmente tóxicos no rio Sorocaba subsequente a sua recuperação
(Universidade Federal de São Carlos, 2023-06-20)
The ability of natural environments to provide ecosystem goods and services is affected to varying degrees by the intensification of human activities. The degradation of urban river ecosystems poses a serious threat to the ...
Desenvolvimento e caracterização de filmes biopoliméricos contendo vidro bioativo
(Universidade Federal de São Carlos, 2023-03-28)
Dental caries and periodontal disease are considered the most frequent global problems that affect human oral health. However, in cases of periodontitis, the exacerbated immune and inflammatory response of the organism ...
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 ...
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 ...
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 ...
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 ...
Géis de acetato de celulose reticulados: síntese, caracterização e estudos de adsorção de íons Cu+2
(Universidade Federal de São Carlos, 2011-03-15)
This paper reports the synthesis of gels derived from cellulose acetate, degree of substitution (DS) 2.5, through by esterification and crosslinking reactions between hydroxyl groups and acid dianhydride benzene- 1, 2, 4, ...
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 ...
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 ...
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 ...