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Now showing items 41-50 of 52
Substituição parcial do fenol por lignina Kraft na síntese de resinas fenólicas
(Universidade Federal de São Carlos, 2021-02-26)
In recent years, there has been a worldwide interest in the development of "green" technologies which enable the use of products with less environmental impact. There is an increasing focus in the use of raw materials ...
Explorando reações de funcionalização C(sp2)-H fotocatalisadas por porfirinas em condições de fluxo contínuo e o uso da eletrocatálise para promover acoplamentos C-S
(Universidade Federal de São Carlos, 2021-06-28)
Photoarylation reactions (Chapter I) were studied in both batch and continuous flow conditions starting from arenodiazonium salts and activated olefins to yield α-aryl ketones/aldehyde derivatives. Such reactions were ...
Síntese de derivados de asparaginas não-naturais N4-substituídas e modificação de peptídeos: adição fotoredox de radicais carbamoil à dehidroalanina
(Universidade Federal de São Carlos, 2021-08-27)
The development of sustainable methodologies for the synthesis of byologic relevant molecules is of great importance for both, academia (especially in organic synthesis and medicinal chemistry) and pharmaceutical industry. ...
Utilização de técnicas espectro analíticas para avaliação de açúcar de cana-de-açúcar
(Universidade Federal de São Carlos, 2021-06-16)
Brazil is the largest sugarcane producer in the world, and its consolidated industry also
places it in the position of the largest producer and exporter of sugar. With a highly
variable process and also with large ...
Estudo da resposta de tecidos de Citrus sinensis em fases ontogenéticas distintas à infecção por Candidatus Liberibacter asiaticus
(Universidade Federal de São Carlos, 2021-06-29)
The objective was to develop analytical methods to evaluate the variation in the chemical profile between specimens of juvenile and mature tissues of Pera orange (C. sinensis) in cuttings and grafted on Rangpur lime (C. ...
Biorrefinaria aplicada à cadeia de soja: um estudo de caso de extração verde e sustentável de isoflavonas
(Universidade Federal de São Carlos, 2021-04-29)
SOY BIOREFINERY: GREEN AND SUSTAINABLE EXTRACTION OF ISOFLAVONES. Brazil has the potential to be the world's largest producer of soybeans (Glycine max), being, in 2020, responsible for the production of 124 Mt of oilseeds. ...
Investigação da eletrodeposição de ligas de Zn-Fe-Mo e caracterização química, estrutural e morfológica dos filmes
(Universidade Federal de São Carlos, 2021-08-19)
In this work, an alkaline bath for electrodeposition of Zn-Fe-Mo alloy containing glycerol was developed. Potentiometric titration of the Fe3+/glycerol bath showed that soluble Fe(III)-glycerol complex was formed at pH > ...
Uso versátil de novos complexos de Mg(II): proteção a ERO’s à oxidação lipídica
(Universidade Federal de São Carlos, 2021-09-30)
The search for compounds that have antioxidant properties is increasing due to their application in strategic areas such as food preservation, food supplements, active compounds in smart packaging, among others.
This ...
Monitoramento de um processo de lixiviação de cobre em placas de circuito impresso por meio da análise direta de sólidos e uso de Laser-Induced Breakdown Spectroscopy (LIBS)
(Universidade Federal de São Carlos, 2021-12-03)
This PhD thesis was developed at CTI Renato Archer, Campinas-SP and was based on a hydrometallurgical process, on an industrial scale, applied to the recovery of metals in discarded printed circuit boards (PCBs). The ...
Avaliação da disponibilidade de fósforo em fertilizantes encapsulados
(Universidade Federal de São Carlos, 2021-11-11)
The concentration of gradient diffusion was used as a passive sampling technique to mimic the physicochemical adsorption of P by plant roots. For this purpose, a binding gel was synthesized from agarose, polyacrylamide, ...