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Now showing items 11-20 of 21
Síntese e caracterização de complexos de Prata (I): investigação da citotoxidade e interação com o DNA
(Universidade Federal de São Carlos, 2020-06-23)
The inorganic compound, cisplatin, is used on a large scale to different types of cancer. This complex acts in DNA structure by covalent bonds. However, the chemotherapy agent presents several side effects and some tumors ...
Sensores nanoestruturados compostos por nanofibras de dióxido de titânio modificadas com polímeros condutores visando monitoramento de compostos orgânicos voláteis
(Universidade Federal de São Carlos, 2020-03-18)
The growth of urbanization and anthropogenic activities have been increasing the emission of polluting gases in the atmosphere. Considering the high toxicity of some of these gases, it becomes necessary to develop new ...
Sachês compósitos biodegradáveis à base de amido visando o acondicionamento de nutrientes para aplicação como fertilizantes
(Universidade Federal de São Carlos, 2020-07-31)
The Brazilian agrarian system is responsible for a large part of the national GDP, even though agricultural production is dependent on foreign trade. In addition, many producers prioritize the use of NPK-type fertilizers ...
Catálise por complexos metálicos: I – Complexos de Ni(II), Cu(II) e Pd(II) com bases de Schiff na oxidação de catecóis; II – Complexos de Ru(II) com ligantes tipo-pinça na desidrogenação de álcoois
(Universidade Federal de São Carlos, 2021-06-11)
Green Chemistry is an indispensable scientific tool for sustainable development, catalysis is one of its twelve principles through which energy waste and hazardous chemicals production can be minimized. In this sense, ...
Estudo espectroscópico por FTIR da conversão de etanol em catalisadores de Au suportados
(Universidade Federal de São Carlos, 2020-07-25)
In this work, an FTIR spectroscopic study of gold catalysts supported on monoclinic zirconia (with Au content of 2,5% w/w), was carried out in order to elucidate the surface nature of this catalyst in the dehydrogenation ...
Imagens espectrais do processo de agregação da insulina por complexos metálicos luminescentes
(Universidade Federal de São Carlos, 2021-03-01)
Insulin is a protein hormone synthesized by β cells in the pancreas, which regulates the level of glucose in the blood. This protein was the first biopharmaceutical produced on an industrial scale for the treatment of ...
Síntese de complexos de Mg(II), atividade antioxidante e citotóxica
(Universidade Federal de São Carlos, 2021-03-09)
The objective of this work was to develop metal complexes containing natural products that have antioxidant activity to be applied in the cosmetics sector. For that, 3 [Mg(phen)2PN]+ metal complexes were synthesized and ...
Síntese da SBA-15 e [Al]-SBA-15 com diferentes ácidos: efeito nas propriedades texturais e estruturais
(Universidade Federal de São Carlos, 2021-09-27)
The development of new heterogeneous catalysts is of fundamental importance to expand their applicability and enable a sustainable future. For this, varying synthesis parameters of those catalysts it is a fundamental study ...
Síntese da SBA-15 funcionalizada com aminossilanos e sua aplicação na condensação aldólica entre o furfural e a acetona
(Universidade Federal de São Carlos, 2021-10-14)
The petroleum is used to manufacture plastics, solvents and, mainly, to produce fuels. However, some factors such as fluctuation in the price of the barrel, its non-renewable origin and the release of greenhouse gases make ...
Emprego de agente complexante e irradiações por feixe de elétrons e laser femtosegundos como estratégias para alterações da propriedade fotoluminescente do α-Ag2WO4
(Universidade Federal de São Carlos, 2023-06-22)
The discovery of room temperature photoluminescence has driven the development of various optical-electronic devices, motivated the search for new photoluminescent materials, and stimulated the modeling of this property ...