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Parametrização de ligantes em Co(salen) aplicados na despolimerização de ligninas
(Universidade Federal de São Carlos, 2022-05-26)
Since the industrial revolution, fossil sources such as oil, natural gas or coal have become indispensable resources for human development with a variety of uses: from energy generation to drugs production and household ...
Degradação forçada dos fármacos nitazoxanida e sofosbuvir e degradação térmica de dispersões sólidas amorfas contendo ritonavir
(Universidade Federal de São Carlos, 2022-04-28)
The first chapter of this work aimed to use design of experiments in the forced degradation of sofosbuvir (SOF) and nitazoxanide (NTZ). The variables pH, temperature and interaction between temperature and H2O2 contributed ...
Processos oxidativos avançados na produção de água de reúso a partir de efluente sanitário tratado: remoção de contaminantes emergentes
(Universidade Federal de São Carlos, 2022-05-05)
ADVANCED OXIDATION PROCESSES IN THE PRODUCTION OF REUSE WATER FROM TREATED SANITARY SEWAGE: REMOVAL OF CONTAMINANTS OF EMERGING CONCERN. One of the great global challenges nowadays is the maintenance of water supply ...
Síntese de 5-seleno-1,2,3-triazóis policíclicos via reação dominó: cicloadição/selenilação mediada por sais de cobre
(Universidade Federal de São Carlos, 2022-08-19)
In recent years, the number of works involving the synthesis of selenium-containing molecules has increased considerably, especially due to its pharmacological activities and potential application in materials science. ...
Síntese hidrotérmica aquecida por micro-ondas e caracterização por raios X baseada em síncrotron operando de nanopartículas de LiMn2O4 enriquecidas com Li e dopadas com Al, Co ou Ni para aplicação em baterias de íons lítio
(Universidade Federal de São Carlos, 2022-05-24)
A facile, fast and efficient microwave-assisted hydrothermal (MWH) route was used to synthetize undoped and doped spinels with Al or Co or Ni. The reaction was carried at low temperature of 140 °C for 5 min in an MWH reactor ...
Funcionalização de 5-iodo-1,2,3-triazóis e síntese de seleno- e tioésteres por meio de reações de acoplamento carbonilativo empregando monóxido de carbono gerado ex situ
(Universidade Federal de São Carlos, 2022-06-06)
The use of pressurized carbon monoxide (CO) gas cylinders can lead to serious risks during their handling. Hence, the demand for safer carbonylation methods has been gradually increasing with the use of different techniques ...
Síntese de compostos N-heterocíclicos via fotocatálise
(Universidade Federal de São Carlos, 2022-03-18)
Heterocycles belong to a privileged class of organic compounds that play a
prominent role in chemistry and biology. There is an extensive literature about
methodologies for the synthesis of these substances, showing their ...
Síntese, caracterização e estudo catalítico de complexos miméticos das enzimas Nitrito Redutase e Anidrase Carbônica
(Universidade Federal de São Carlos, 2022-03-30)
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 ...
Estudos mecanísticos de reações de cicloadição e ciclização através de ferramentas experimentais e teóricas
(Universidade Federal de São Carlos, 2022-02-22)
Part 1: The 1,3-dipolar cycloaddition of nitroolefin and azides have emerged as an important approach for the synthesis of 1,2,3-triazole. We describe the rationalization of the regioselectivity/reactivity trends of this ...
Material particulado atmosférico da cidade de São Carlos e sua toxicidade em culturas de células pulmonares
(Universidade Federal de São Carlos, 2022-03-31)
PM air pollution is one of the principal causes of health problems in many regions’ world. This potential may be associated with the more than 500 compounds with toxic, mutagenic and carcinogenic effects already identified ...