Search
Now showing items 571-580 of 581
Emprego de agente complexante e irradiações por feixe de elétrons e laser femtosegundos como estratégias para alterações da propriedade fotoluminescente do α-Ag2WO4
(Universidade Federal de São Carlos, 2023-06-22)
The discovery of room temperature photoluminescence has driven the development of various optical-electronic devices, motivated the search for new photoluminescent materials, and stimulated the modeling of this property ...
Contribution of homogeneous and heterogeneous processes to the activation of Peroxymonosulfate using cobalt magnetic ferrite
(Universidade Federal de São Carlos, 2024-04-29)
The catalytic process (c-AOP), which utilizes metal oxides (or another type of material) to activate various oxidants such as hydrogen peroxide (H2O2), peroxydisulfate (PDS, S2O82–), and peroxymonosulfate (PMS, HSO5–), ...
Desenvolvimento de procedimentos automáticos para determinação fotométrica de alumínio em água potável e etanol em vinhos empregando o processo de multicomutação em análise em fluxo
(Universidade Federal de São Carlos, 2024-05-28)
The quality of drinking water is crucial for public health, as is the quality of wines for the food industry. Aluminum, which poses health risks such as neurological disorders, has a maximum allowable limit of 200 µg L-1 ...
Estudo da influência da composição em materiais compósitos de polipropileno com fibras de vidro por pultrusão termoplástica nas propriedades mecânicas
(Universidade Federal de São Carlos, 2024-04-18)
The objective of this work is to evaluate manufacture variations over thermoplastic
composite materials of polypropylene reinforced with glass fibers (FV) regarding
their tensile and flexural mechanical properties (PMs). ...
Síntese, caracterização e investigação das propriedades antitumorais in vitro em modelos 2D e 3D de compostos de coordenação de Pd(II) com tiossemicarbazidas e bis(difenilfosfina)alcanos
(Universidade Federal de São Carlos, 2024-05-16)
The increasing incidence of cancer highlights the urgent need to develop new molecules with therapeutic potential. In this context, this study presents the synthesis and characterisation of six new Pt(II) complexes containing ...
Otimização da eletro-oxidação controlada de metano sobre a superfície de eletrodos de ouro visando a formação de moléculas de valor agregado
(Universidade Federal de São Carlos, 2023-12-18)
OPTIMIZATION OF THE CONTROLLED ELECTROOXIDATION OF METHANE ON THE SURFACE OF GOLD ELECTRODIES FOR THE FORMATION OF VALUE-ADDED MOULECULES: This work aims to contribute to the understanding of the partial electrooxidation ...
Síntese de derivados indólicos e avaliação frente ao Plasmodium falciparum
(Universidade Federal de São Carlos, 2024-03-08)
Malaria is an infectious disease that leads to an acute, life-threatening condition. It is caused by protozoa of the genus Plasmodium and transmitted by the bite of female mosquitoes of the genus Anopheles. N-heterocycles ...
Síntese de derivados de γ-lactamas, Δ1-pirrolinas e pirróis a partir de chalconas empregando aziridinas e 2H-azirinas
(Universidade Federal de São Carlos, 2024-03-27)
The search for efficient synthetic methods for 5-membered N-heterocycles, such as γ-lactams and pyrroles, is constantly necessary, as these scaffolds are widely found in natural products and synthetic compounds with ...
Sistemas químicos auto-organizados: morfogênese e formação de padrões
(Universidade Federal de São Carlos, 2024-07-16)
Chemical systems maintained far from equilibrium, with spatially extended reaction domains, and composed of chemicals that interact non-linearly with each other, can spontaneously evolve to organized states of low entropy, ...
Modulation of semiconductors with transition metals: morphological, optical, and electronic properties.
(Universidade Federal de São Carlos, 2024-07-25)
Research on semiconductors has been of great interest due to their numerous applications. These materials are versatile, and doping, which introduces impurities into the crystal structure, is a common strategy that can ...