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Reação de redução de compostos nitrogenados: de aspectos fundamentais em monocristais de Pt à utilização de nanopartículas bimetálicas
(Universidade Federal de São Carlos, 2022-02-23)
Because of the high consumption of nitrogen-based compounds by both industry and agriculture, there is an imbalance in nitrogen cycle and the nitrate and nitrite reduction reaction can be a solution. These processes are ...
Complexos de Pd(II) e Pt(II) contendo tiossemicarbazonas derivadas do tiofeno: síntese, caracterização, investigação da citotoxicidade e modo de ação
(Universidade Federal de São Carlos, 2022-03-16)
In this work, ten ligands and four palladium and two platinum complexes containing thiosemicarbazones derived from thiophene were synthesized in order to evaluate their cytotoxic profile against tumor cells. The compounds ...
Propriedades citotóxicas e mecanismo de ação de novos complexos fosfínicos de rutênio(II) contendo ligantes naftoquinonas
(Universidade Federal de São Carlos, 2022-12-15)
In this study, two series of ruthenium(II)-phosphine complexes containing naphthoquinone ligands were synthesized, characterized, and investigated regarding the cytotoxic activity. The first series represents the compounds ...
Estudo teórico: da adsorção de etanol em clusters de Cun e Aun (n = 10-20)
(Universidade Federal de São Carlos, 2021-08-24)
In this work, we study aggregates, which we will call clusters of copper and gold with and without the adsorbed ethanol molecule. First, we investigated the most favorable positions for ethanol adsorption to occur in ...
Performance optimization in redox flow batteries: a computational approach
(Universidade Federal de São Carlos, 2022-02-22)
Redox flow batteries (RFBs) emerge as an alternative technology for the storage of energy on a large scale. The main characteristics of this type of device are related to its unique design, which provides scalability, ...
Avaliação de eletrodos compósitos de MnO2 e carbono ativado para aplicação em supercapacitores
(Universidade Federal de São Carlos, 2022-11-30)
Evaluation of composite Mno2 and activated carbon electrodes for application in supercapacitors. Manganese dioxide (MnO2) nanoparticles were synthesized by microwave-assisted hydrothermal methodology and characterized by ...
Determinação de pesticidas organoclorados e fármacos em matrizes ambientais utilizando QuEChERS, extração líquido-líquido (LLE) e extração em fase sólida (SPE)
(Universidade Federal de São Carlos, 2021-11-24)
The presence of xenobiotic organic contaminants in water bodies, where arrive from releases of treated or untreated effluent, has raised concerns
about impacts related to the richness and biodiversity of aquatic life and ...
Esfoliação e funcionalização de nanofolhas de MoS2: desenvolvimento de novos materiais elastoméricos
(Universidade Federal de São Carlos, 2021-09-30)
Two-dimensional materials, such as MoS2, have been extensively studied in recent decades due to their excellent properties in electronics, electrocatalysis, optics and mechanics. A major focus in recent research resides ...
Estudo teórico e experimental da interação de elétrons com moléculas de interesse astroquímico
(Universidade Federal de São Carlos, 2021-09-08)
We performed a theoretical and experimental investigation on electron (e⁻) scattering by molecules of astrochemical interest. Theoretically, we obtained elastic differential (DCSs), integral (ICSs) and momentum-transfer ...
Espalhamento elástico de elétrons e ionização dissociativa da molécula de trimetil fosfato
(Universidade Federal de São Carlos, 2021-09-28)
The trimethyl phosphate molecule is an important prototype for studying electron interactions with molecules of biological significance containing the phosphate group. These studies contribute to the understanding of energy ...