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Picramnia glazioviana and Picramnia bahiensis as source for new natural products. Insecticidal and fungicidal evaluations and High-Resolution Bioassay/HPLC-HRMS-SPE/NMR studies
(Universidade Federal de São Carlos, 2018-04-27)
Leaf-cutting ants of the genus Atta and Acromyrmex are considered the most important pests in agriculture, pastures, and reforestation programs due to the defoliation caused by the uncontrolled herbivory that the plants ...
Electrochemistry and STM-assisted Molecular electronics study of bimetallic hexaphyrins
(Universidade Federal de São Carlos, 2019-09-23)
ELECTROCHEMISTRY AND STM-ASSISTED MOLECULAR ELECTRONICS STUDY OF BIMETALLIC HEXAPHYRINS. The electron transport in porphyrinoids are related to several bioprocesses in Nature, from conversion from solar energy to chemical ...
Obtenção de derivados de compostos isolados de Zingiber officinale por biotransformação e semi-síntese e avaliação frente à cisteinil-proteases
(Universidade Federal de São Carlos, 2016-07-01)
Several aromatic polyketide derivatives from Ginger (Zingiber officinale), like zingerone,
6-gingerol and 6-shogaol were obtained by biocatalytic reactions and semi-synthesis and
both their antifungal and cysteine-proteinase ...
Avaliação do comportamento de BTEX e seus metabólitos de biodegradação em solos: estudos de remedição em microcosmos
(Universidade Federal de São Carlos, 2015-08-28)
The monoaromatic hydrocarbons composed by benzene, toluene, ethylbenzene and xylenes isomers (BTEX), are commonly found near local oil refineries, filling stations, or around pipelines, as a result ofleaks and/or spills. ...
Produção de Na-β″-alumina e o seu transporte iônico do Na+
(Universidade Federal de São Carlos, 2019-02-25)
In the present doctorate thesis, in order to study the Na+ ion transport in Na-βʺ-alumina(cr), we started by studying the production stages of Na-βʺ-alumina(cr) sodium ion conductive membranes. In order to do so, we studied ...
Mecanismos reacionais dos sistemas Pb/H2SO4 e Pb/PbO2/H2SO4
(Universidade Federal de São Carlos, 2012-01-26)
The thesis will address a modern view of electrochemistry for the discharge and charge reactions of Lead Acid Batteries study. Even though these batteries have existed for more than 200 years, electrochemical mechanisms ...
Estudo fitoquímico biomonitorado de Duguetia lanceolata e Lithraea molleoides no controle de pragas agrícolas e processos de nanoencapsulamento
(Universidade Federal de São Carlos, 2016-04-29)
Leafcutter ants and maize weevil are responsible for great losses in Brazilian agriculture due to the difficult control of these pests. Natural products are becoming increasingly important, mainly in the search for non-toxic ...
“Catalisadores Au/m-ZrO2 aplicados na conversão direta do etanol em acetato de etila: efeito do grau de recobrimento do suporte nas propriedades catalíticas”
(Universidade Federal de São Carlos, 2018-04-26)
In this present work, the direct formation of ethyl acetate from ethanol was studied using monometallic catalysts of Au supported on m-ZrO2. Other supports, such as MgO and SiO2, as well as Cu-based catalysts were prepared ...
Estudo da produção de nanofibras de carbono por fiação por sopro em solução a partir de poliacrilonitrila e lignina
(Universidade Federal de São Carlos, 2019-10-24)
Carbon nanofibers (NFC) are highly resistant materials and are widely used in the aerospace and battery industry. Methods such as eletrospinning and solution blow spinning (SBS) are used for the production of carbon ...
Modificação covalente de peptideos antimicrobianos e anticancerigenos para a melhoria de suas propriedades farmacológicas
(Universidade Federal de São Carlos, 2019-08-16)
Following the information obtained by a rational design study, cyclic and dimeric helical stabilized analogues of the peptide Cm-p5 were synthetized. The cyclic monomer showed an increased activity in vitro ...