Buscar
Itens para a visualização no momento 1041-1050 of 1057
Técnicas espectroanalíticas aliadas à química verde visando à determinação de V e Mo com procedimentos de extração e pré-concentração
(Universidade Federal de São Carlos, 2014-03-14)
The goal of this PhD thesis was to propose alternatives to improve the
analytical performance of F AAS (Flame Atomic Absorption Spectrometry) and
LIBS (Laser Induced Breakdown Spectroscopy) aiming V and Mo
determination. ...
Estudo da remoção de contaminantes emergentes em estação de tratamento de esgoto equipada com biorreator acoplado a filtração por membrana: uma alternativa para a produção de água de reuso
(Universidade Federal de São Carlos, 2022-03-24)
The degradation of water bodies and the indiscriminate use associated with frequent and intense drought episodes have compromised the availability of water. Thus, the production of reused water from sewage treatment has ...
Photochemical access to noncanonical amino acids and modified peptides
(Universidade Federal de São Carlos, 2024-04-26)
This thesis holds new opportunities on the synthetic state-of-the-art for the photochemical elaboration of noncanonical amino acids and exogenous peptides as judged by (i) the incorporation of a desired structural motif ...
Potencial dos compostos orgânicos voláteis como estimulantes vegetais: uma investigação em diferentes cultivares de tomate
(Universidade Federal de São Carlos, 2024-04-30)
Essential oils extracted from plants are composed of volatile organic compounds that have a wide range of biological activities in vital systems. Various effects of essential oils on plant growth have been demonstrated. ...
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 ...
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 ...
Desenvolvimento de banhos para eletrodeposição da liga de Ni-Mo na presença do complexo bórico-sorbitol.
(Universidade Federal de São Carlos, 2024-04-26)
The Ni-Mo alloy is used in the industrial environment as it is characterized as a promising ecological substitute for hard chrome coating due to its excellent properties, such as high thermal stability, resistance to ...
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 ...