Browsing Teses e dissertações by Title
Now showing items 1004-1023 of 1071
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Síntese, caracterização e avaliação ecotoxicológica de nanocompósito de Ag3VO4/Ag
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 20/03/2023)Historically, the development of new methods of synthesizing materials has been linked to the development of societies, mainly due to the ability to promote changes in materials and enable new types of technological ... -
Síntese, caracterização e deposição sobre óxido de grafeno de nanopartículas de óxido de índio dopado com estanho (ITO)
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 22/11/2011)In this study, in the first step, Indium tin oxide nanoparticles were synthesized via a non-aqueous route involving the solvothermal treatment of indium (III) acetylacetonate and tin (IV) chloride in polyethylene glycol ... -
Síntese, caracterização e estudo catalítico de complexos miméticos das enzimas Nitrito Redutase e Anidrase Carbônica
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 30/03/2022)Metalloenzymes are efficient biological catalysts that inspire the creation of coordination compounds that mimic their active site. In this work, the synthesized complexes were inspired by two enzymes: Nitrite Reductase ... -
Síntese, caracterização e estudo das propriedades eletrônicas de heterocomplexos formados por 4, 4’, 4”, 4’’’, tetrassulfoftalocianina de cobalto (II) e tetrakis(N-metil-4- piridil)porfirina de cobalto (II) e formação de filmes Layer-by- Layer
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 25/02/2011)This work reports the synthesis, characterization and investigation of the electronic properties of heterocomplexes formed by cobalt(II) tetrakis(N-methyl-4- pyridyl)porphyrin (CoTMPyP) and cobalt(II) 4, 4 , 4 , 4 , ... -
Síntese, caracterização e estudo das propriedades fotoeletrocatalíticas dos fotoanodos BiVO4 e BiVO4/FeOOH
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 27/11/2015)Among the variety of semiconductor materials investigated to apply in electrochemical cells bismuth vanadate (BiVO4) is one of the candidate which would be used as photoanode. Thus, this study aimed to synthesize thin films ... -
Síntese, caracterização e estudo das propriedades fotofísicas de SiO2-GeO2 VAD encapsulada com Eu2O3
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 22/08/2008)Some materials can be encapsulated with metals, inorganic solids and biomolecules, in a nanometric scale, to form a nanocomposite which has specific properties that can be open to research and technology works. In the ... -
Síntese, caracterização e estudos cinéticos da isomerização de compostos de Ru(II) contendo ligantes (X-bipy) ( X=-H, -NO2, -Me, - COOH, -SMe, O=SMe, -Cl, -OMe).
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 30/01/2004)The synthesis of coordination compounds containing bipyridine derivative ligands and the influence of the substituent groups on the physical and chemical properties were studied in this work. Mixed compounds of the type ... -
Síntese, caracterização e estudos de citotoxicidade e alvo biológico de complexos quadráticos planos contendo Tiossemicarbazonas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 20/09/2019)The diversity of cancer diseases and the side effects caused by the drugs commonly used in cancer treatment require different antineoplasic agents able to operate more specific and in a way to minimize the side effects. ... -
Síntese, caracterização e investigação das propriedades antitumorais in vitro em modelos 2D e 3D de compostos de coordenação de Pd(II) com tiossemicarbazidas e bis(difenilfosfina)alcanos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 16/05/2024)The increasing incidence of cancer highlights the urgent need to develop new molecules with therapeutic potential. In this context, this study presents the synthesis and characterisation of six new Pt(II) complexes containing ... -
Síntese, caracterização e testes eletroquímicos de dióxido de manganês nanométrico como material de eletrodo de supercapacitores
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 01/08/2018)Manganese dioxide was synthesized by a microwave-hydrothermal method using alternative, unprecedented and completely soluble reagents. For such, potassium permanganate and acetone were dissolved in different proportions ... -
Sobre a influência de fosfinas e do ligante isocianida de p-Toluenosulfonilmetila na citotoxicidade de compostos de Ru(II)
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 17/08/2018)The main objective of the present work was to obtain new Ru(II) complexes with lingans diimino, phosphinic and isocyanide p-toluenesulfonylmethyl, to characterize them by diverse physical and spectroscopic techniques, to ... -
Sobre a síntese de pirróis 3,4-dissubstituídos e seus correspondentes derivados porfirínicos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 28/02/2014)In this work we have developed the synthesis of 3,4-disubstituted pyrroles, aiming at the preparation of strategically designed (continue...) -
Structural, morphological and optical properties of Ca10V6O25
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 05/05/2020)Modeling the structure and morphology of crystals is of great interest in the field of science and industry, as these factors are strongly linked in determining the properties of materials. That said, Ca10V6O25 compounds ... -
Substituição parcial do fenol por lignina Kraft na síntese de resinas fenólicas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 26/02/2021)In recent years, there has been a worldwide interest in the development of "green" technologies which enable the use of products with less environmental impact. There is an increasing focus in the use of raw materials ... -
Supramolecular synthesis and characterization of new multicomponent forms of fluconazole
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 30/06/2020)Active Pharmaceutical Ingredient (API) is the therapeutic constituent that defines the pharmacological properties and performance of the drug. Their qualities vary due to their respective physicochemical and pharmacological ... -
Surface modification with polymers as a tool to functionalize fabrics, fabricate graded materials and design interface of composites
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 01/10/2021)Tailoring the properties of a material for a target application often depends on combining features of different components. To effectively arrange these components in a material, several methods have been developed to ... -
Sustainable synthesis of ciclopentene derivatives through multicomponent reactions in continuous flow regime
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 25/03/2020)Sustainable chemistry has gained relevance in recent years, not only in the fine chemical industry, but also in organic synthesis. This new conception of chemistry allows the development of environmentally friendly processes, ... -
Synthesis and biotransformation of diarylpentadienones
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 20/12/2019)SYNTHESIS AND BIOTRANSFORMATION OF DIARYLPENTADIENONES. Naturally-occuring compounds containing bis-aryl moiety are important components of fine chemicals required by pharmaceutical, agrochemical and flavor industries. ... -
Synthesis and characterization of micro-and mesoporous materials for catalytic biomass upgrading
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 16/05/2019)In the last years, biomass, especially lignocellulosic, has emerged as an alternative source of carbon. From the fractionation of lignocellulosic biomass, a series of chemical compounds or platforms can be obtained, having ... -
Synthesis of g-C3N4/Nb2O5 heterostructures: study of photocatalytic properties
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 22/04/2019)Semiconductors are promising catalysts for artificial photosynthesis, but to date, there is no consensus on the ideal photocatalyst for CO2 reduction. Among semiconductors used for CO2 reduction, Nb2O5 is a promising ...