Buscar
Mostrando ítems 981-990 de 1064
Efeito da inserção de nanopartículas de TiO2-OPM sobre as propriedades do PET reciclado
(Universidade Federal de São Carlos, 2021-04-26)
Poly (ethylene terephthalate) (PET) is one of the most consumed polymers today, mainly in the fast-disposable beverage market, its excellent properties associated with its low production cost, make it one of the most ...
UVC-based advanced oxidation processes for water treatment: laboratory and pilot plant scale studies
(Universidade Federal de São Carlos, 2020-09-21)
The challenge of providing good-quality water free from contaminants of emerging concern (including organic microcontaminants; OMCs) and pathogens is one of the main hot topics worldwide. Thus, the efficiency of different ...
Desenvolvimento de dispersões sólidas e membranas baseadas em praziquantel-poli(álcool vinílico) na terapêutica de esquistossomose
(Universidade Federal de São Carlos, 2021-03-23)
Schistosomosis is a parasitic disease considered neglected and endemic in 75 countries. It is estimated that 240 million people are infected and 700 to 800 million people are at risk. Despite that, there is no effective ...
As propriedades espectroscópicas, fotoquímicas, fotofísicas e eletroquímicas do complexo de Ru(II) cis-[Ru(tbbpy)2(4Apy)2]2+, em que tbbpy = 4,4’-ditert-butil-2,2’-bipiridina e 4Apy = 4-Aminopiridina
(Universidade Federal de São Carlos, 2021-04-28)
This work involves the synthesis and characterization of the cis-[Ru(tbbpy)2(4Apy)2]2+ complex where tbbpy = 4,4'-di-tert-butyl-2,2'-bipyridine and 4Apy = 4-Aminopyridine, determination of spectroscopic, photochemical and ...
Análise exploratória de constituintes inorgânicos em tecido, líquido ruminal e fezes de bovinos da raça Nelore (Bos Taurus Indicus)
(Universidade Federal de São Carlos, 2020-10-08)
The inorganic constituents supplied in the diet are essential for the development of cattle. This dissertation aimed to propose a procedure for the multi-element determination of Ca, Mg, P, K, S, Na, Cu, Fe, Mn, Zn, Co, ...
Desenvolvimento de formulações à base de D-limoneno para o controle da mosca-branca (Bemisia tabaci)
(Universidade Federal de São Carlos, 2021-02-25)
The species Bemisia tabaci of whitefly presents commercial relevance in agriculture due to its potential damage to productivity of the different host crops for this pest, like soybean, bean, and tomato. The use of natural ...
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 ...
Photoredox-mediated aminoalkylation and carbamoylation of azomethine imines
(Universidade Federal de São Carlos, 2021-08-25)
Over the past decade, the organic synthetic community has witnessed the emergence of a new and complementary approach to the conventional radical chemistry. Photochemistry has proven to be a powerful and more sustainable ...
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 da SBA-15 e [Al]-SBA-15 com diferentes ácidos: efeito nas propriedades texturais e estruturais
(Universidade Federal de São Carlos, 2021-09-27)
The development of new heterogeneous catalysts is of fundamental importance to expand their applicability and enable a sustainable future. For this, varying synthesis parameters of those catalysts it is a fundamental study ...