Teses e dissertações
Recent Submissions
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Tetra(tien-2-il)porfirina e seus complexos com metais da primeira-série de transição: síntese, caracterização, investigação da citotoxicidade e interação com DNA
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 21/07/2020)Cancer is a generic term for over 100 diseases with uncontrolled cell growth. Each year, all cancer forms are responsible for millions of deaths worldwide and are the leading cause of deaths linked to disease. Therefore, ... -
Estudos bioquímicos e cinéticos de acetilcolinesterases de formigas cortadeiras (Atta sexdens)
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 29/09/2017)Acetylcholinesterase (AChE) (EC 3.1.1.7) is the enzyme responsible for catalyzing the hydrolysis of the neurotransmitter acetylcholine leading to the release of acetate and choline. In insects, acetylcholine is one of the ... -
Complexos semi-sanduíche de RuII/areno e produtos naturais: uma promissora combinação para novos metalofármacos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 15/10/2020)This thesis presents the synthesis, characterization and evaluation of antitumor activity of nineteen neutral and monocatonic organometallic complexes containing ligands derived from natural products. The complexes were ... -
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 ... -
Uma avaliação qualitativa da presença de micotoxinas e micro-organismos toxigênicos em insumos e em cervejas artesanais
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 06/12/2019)Consisting primarily of water, hops, malted and non-malted cereals as well as yeast, beer is one of the most consumed alcoholic fermented beverages in the world. Although there are risk laws that compromise product quality, ... -
Calibration strategies for elemental determination using direct solid analysis by x-ray spectroscopy and laser-induced breakdown spectroscopy
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 30/07/2020)Direct analysis of solid samples using techniques such as wavelength dispersive X-ray fluorescence (WD XRF), X-ray absorption near-edge structure (XANES) spectroscopy and laser-induced breakdown spectroscopy (LIBS); have ... -
Síntese e caracterização de complexos de Prata (I): investigação da citotoxidade e interação com o DNA
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 23/06/2020)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 ... -
Estudo do crescimento de nanocristais de TiO2
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 29/05/2020)STUDY GROWTH OF TiO2 NANOCRYSTALS In the last three decades, the development of nanotechnology has become a reality in many areas of industry and science, already reaching applications in society in sectors such as: health, ... -
Desenvolvimento de método eletroanalítico utilizando sensores eletroquímicos descartáveis para detecção do biomarcador miRNA-203 visando o diagnóstico de câncer de cabeça e pescoço
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 31/07/2020)A great effort has been made in the development of new analytical methods for biomarker detection aiming at the diagnosis of cancer. Therefore, in this work it was developed an electroanalytical method using low-cost ... -
Laser-induced breakdown spectroscopy (LIBS), wavelength dispersive x-ray fluorescence (WDXRF) and chemometrics: possibilities for analytical applications in food analysis
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 14/07/2020)This PhD thesis proposes evaluation of the possibilities and analytical applications of the laser-induced breakdown spectroscopy (LIBS) and wavelength dispersive x-ray fluorescence (WDXRF) techniques for the determination ... -
Preparo de amostras refratárias aplicando procedimentos de digestão assistidos por radiação micro-ondas e análise elementar usando ICP OES
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 15/07/2020)In this study microwave-assisted preparation procedures for decomposition of several inorganic samples and further analysis by inductively coupled plasma optical emission spectrometry (ICP OES) were developed. In order to ... -
Desenvolvimento de metodologias de divulgação científica por meio de pesquisa e produção de mangás
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 27/05/2020)Science communication can be defined as any practice that proposes to spread the science to the public, with the purpose of arousing interest and motivation in science, as well as informing and disseminating scientific ... -
Estudo da série LaNi1-xFexO3 e folhas de grafite pirolítico em reações de desprendimento de oxigênio
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 17/04/2020)Due to the critical need to change from fossil to renewable fuels, the perovskite oxide structures emerge as an important class of materials due to its activity in photovoltaic cells, photocatalysis, photoelectrochemical ... -
Estudo da influência de nanopartículas de ouro na atividade de lipase de Pseudomonas fluorescens imobilizada em nanopartículas superparamagnéticas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 19/02/2020)The growing interest in the application of biocatalysts in several industrial sectors made the enzymatic immobilization stand out among the possible strategies to enable the use of these catalysts. This strategy has the ... -
Synthesis of N-heterocycles and building blocks using multicomponent, photochemical and electrochemical approaches
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 17/02/2020)Multicomponent reactions and protocols mediated by light and electrochemistry are powerful tools for modern organic synthesis. Moreover, they obey several principles of green chemistry such as atom economy, catalysis, waste ... -
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 ... -
Diferenciação abiótica do metabolismo secundário em Aspergillus aculeatus e Penicillium brasilianum utilizando sais inorgânicos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 31/03/2020)The biosynthetic potential of microorganisms for the production of secondary metabolites is limited by the routes encoded in their genome. However, although this potential is enormous, few of them are expressed under ... -
Impressão 3D de compósitos de fosfatos de cálcio com poli (ácido lático) para aplicações biomédicas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 10/03/2017)The present work was carried out to analyze the viability of the 3D printing technique for the production of ceramic/polymer composites with bioabsorbable characteristics and both physical-chemical and mechanical properties ... -
Estudo do método de obtenção de membranas assimétricas de polietersulfona contendo complexos de polieletrólitos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 03/04/2020)Compared with traditional separation methods, polymeric membranes have low operation cost, fast separation rate and versatility. One interesting way of changing membrane properties is mixing additives into the polymeric ... -
Desenvolvimento de fibras compósitas ultrafinas de policaprolactona, pectina e zeólita faujasita para acondicionamento de cloxacilina
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 27/03/2020)Bovine mastitis and hoof diseases are infections responsible for great economic losses in the Brazilian agricultural sector. Such losses are associated with a reduction in milk and meat production leading to extreme cases ...