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Desenvolvimento de eletrocatalisadores de sulfeto de molibdênio para produção de hidrogênio via eletrólise da água
(Universidade Federal de São Carlos, 2023-03-31)
The amorphous molybdenum sulfide, MoSx, has shown to be an excellent electrocatalyst for the hydrogen evolution reaction (HER) and can be synthesized by electrodeposition. In this study, the electrodeposition of MoSx on ...
Seleção de padrões internos para análise elementar em métodos instrumentais com plasma induzido
(Universidade Federal de São Carlos, 2023-03-08)
This thesis approaches the challenges and strategies to use the internal standardization calibration method in two instrumental methods, i.e. inductively coupled plasma optical emission spectrometry (ICP-OES) and microwave ...
Material particulado atmosférico de São Carlos: identificação das fontes de emissões e seus impactos à saúde humana
(Universidade Federal de São Carlos, 2023-08-30)
Air pollution by particulate matter (PM) is one of the main environmental risks to human health. PM has different sizes, emission sources, and a wide range of substances may be present in it. Given this scenario, the ...
Hidro- & deuterocarbamoilação do alceno de Karady-Beckwith: síntese estereosseletiva da asparagina e seus derivados N4-substituídos
(Universidade Federal de São Carlos, 2023-07-31)
The development of sustainable stereoselective methodologies for obtaining compounds of synthetic and biological relevance is highly important in contemporary times. In this regard, the synthesis of non-natural amino acids ...
Estudos do tratamento de águas residuárias do café usando coagulação e processos de oxidação avançada
(Universidade Federal de São Carlos, 2023-10-27)
"STUDIES ON COFFEE WASTEWATER TREATMENT USING COAGULATION AND ADVANCED OXIDATION PROCESSES" Brazil leads global coffee production, accounting for more than one-third of the global production and playing a crucial role in ...
Obtenção e aplicação biológica de quitinases recombinantes da formiga cortadeira Atta sexdens
(Universidade Federal de São Carlos, 2023-08-21)
Chitinases catalyze the cleavage of
the β-1,4 bond of chitin, a polysaccharide produced by several organisms including
insects. From a biotechnological point of view, these enzymes have potential
application in the ...
Alteração no metaboloma e na expressão gênica na via da biossíntese de piranocumarinas em Citrus sinensis x Citrus limonia em resposta ao Huanglongbing
(Universidade Federal de São Carlos, 2023-05-23)
Greening (Huanglongbing/HLB) is the most destructive citrus disease. It is caused by the bacterium Candidatus Liberibacter asiaticus (CLas), C. Liberibacter africanus and C. Liberibacter americanus and it is transmited by ...
Arilsulfonilação tri componente de diidrofurano e ésteres vinílicos via catálise dual níquel/fotorredox
(Universidade Federal de São Carlos, 2022-03-29)
The pursuit of synthetic protocols aligned to sustainability goals, increasingly necessary in the global context in which we operate, caused a great effort by synthetic chemists to develop photocatalytic methodologies ...
Fotoeletrodegradação e determinação voltamétrica de Propranolol
(Universidade Federal de São Carlos, 2023-08-10)
In this work, efforts were made to study the electrochemistry and application of semiconductor materials for the degradation of the drug propranolol. Semiconductors play a significant and indispensable role in advancing ...
Estudo químico de Erythricium salmonicolor, sua interação com a bactéria Xanthomonas citri e síntese de complexos antimicrobianos
(Universidade Federal de São Carlos, 2022-06-28)
CHEMICAL STUDY OF Erythricium salmonicolor, ITS INTERACTION WITH THE BACTERIA Xanthomonas citri AND SYNTHESIS OF ANTIMICROBIAL COMPLEXES. The search for bioactive natural products has been increasingly important in the ...