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Catalisadores de MgO-SiO2 : efeito dos promotores CaO e SrO na conversão de etanol
(Universidade Federal de São Carlos, 2015-05-22)
The replacement of chemical products by renewable raw materials is an important factor for the emission control of CO2. Consequently, there is a great commercial interest in the conversion of ethanol into 1,3-butadiene. ...
Contaminantes emergentes em estações de tratamento de esgoto aeróbia e anaeróbia
(Universidade Federal de São Carlos, 2016-11-21)
The wastewater treatment plant (WWTPs) play an important role to ensuring the health and preservation of aquatic ecosystems through biological removal (mainly) of pollutants and microorganisms in the sanitary and industrial ...
Desenvolvimento de plataformas nanométricas híbridas baseadas em polímero/enzima visando aplicações em biossensores
(Universidade Federal de São Carlos, 2016-10-27)
Foodborne illness cases are common in Brazil and in the world. However, in many cases the microorganism causing the illness cannot properly identified. In addition, traditional analyses usually employed for identifying ...
Desenvolvimento e caracterização de sensores eletroquímicos modificados com meso-tetra-(2-tienil)- porfirinato de cobre (II) para a determinação de dopamina em amostras biológicas sintéticas
(Universidade Federal de São Carlos, 2016-02-26)
In this work, was built gold (Au) and glassy carbon (GC) electrochemical sensors modified with cooper (II) meso-tetra-(2-thienyl)-porphyrinate ([Cu(II)TThP]) and the GC modified electrode was applied for dopamine determination. ...
Desenvolvimento de filmes de carboximetilcelulose com nanopartículas de prata e avaliação de sua atividade antimicrobiana e toxicidade
(Universidade Federal de São Carlos, 2014-08-25)
One alternative for new packagings is the use of renewable materials as raw materialin the development of films, with the challenge of maintaining the quality of the product. Polysaccharides are abundant and renewable ...
Estudos de complexos de rutênio (III) e complexos polímero-suportados em reações de hidrogenação e hidroformilação de substratos orgânicos
(Universidade Federal de São Carlos, 2014-05-16)
The synthesis and characterization of five ruthenium (III) complexes such as mer-[RuCl3(dppb)(N)], where N = pyridine and 4-substituted derivatives were performed in this work. These complexes were evaluated as catalysts ...
Síntese e aplicação do SrTiO3 na fotodecomposição da água para a geração de hidrogênio
(Universidade Federal de São Carlos, 2014-07-11)
Strontium titanate (SrTiO3) is an n-type semiconductor with high chemical and photochemical stability. This wide band gap oxide has a band gap energy of about 3.2 eV as well as a favorable energy for photocatalysis. In ...
Reações de adição conjugada de indóis e oxindóis empregando organocatálise
(Universidade Federal de São Carlos, 2014-08-07)
Organocatalysis has emerged as a powerful synthetic tool which accelerated the development of new methods to obtain symmetric and asymmetric molecules. Furthermore, the use of small organic molecules such as amino acids ...
Uso da modelagem molecular na solução de problemas em química
(Universidade Federal de São Carlos, 2014-08-29)
The studies presented herein show the use of molecular modelling coupled to spectroscopic data to tackle four different problems in organic chemistry. In the first study, the sulfonylation of the primary hydroxyl group of ...
Alcaloides e diidrochalconas de Metrodorea stipularis: química e bioatividade
(Universidade Federal de São Carlos, 2014-04-04)
This work was based on bioactivity-guided study of five plants ( Galipea jasminiflora , Esenbeckia febrifuga, Esenbeckia grandiflora , Metrodorea stipularis and Zanthoxylum Fagara ) from Rutaceae family using the enzyme ...