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Desenvolvimento de métodos de pré-concentração para a determinação de elementos traço e especiação de cromo e arsênio em amostras agrícolas
(Universidade Federal de São Carlos, 2021-10-27)
Agricultural sustainable production is indispensable to meet the growing demand for food and nutritional control. The risk assessment associated with contamination by toxic elements in agricultural and aquaculture matrices ...
Estudos dos mecanismos de resistência de genótipos de algodão submetidos à diferentes condições bióticas e abióticas
(Universidade Federal de São Carlos, 2022-12-16)
Cotton is a cultivar of economic interest, with a worldwide turnover around 17 billion dollars per year. Its supply is marked by several interconnected factors such as market signals, climatic aspects and pest pressures. ...
Complexos fosfínicos de Ru(II)/mercaptos contendo ligantes N,N-heterocíclicos: atividade citotóxica e mecanismo de ação
(Universidade Federal de São Carlos, 2022-12-16)
The main objectives of this study were the synthesis, characterization and biological studies of two series of ruthenium phosphine compounds containing different mercapto ligands, and contrasting in N,N-heterocyclic ligands ...
Eletrodeposição de filmes do tipo Ni-X (X=P, Cu ou Cu-P) a partir de banhos contendo aspartato
(Universidade Federal de São Carlos, 2022-11-25)
In the present work, aspects related to the electrodeposition of Ni-based metal films - either pure metal or Ni-P, Ni-Cu, and Ni-Cu-P alloys - from baths containing aspartate complexes as electroactive species and hypophosphite ...
Avaliação por RMN de alta resolução da presença de cereais não maltados na produção de cervejas
(Universidade Federal de São Carlos, 2020-07-16)
Statistics show that beer is the most widely consumed alcoholic beverage in the world and it is made up of water, barley malt, hops and yeast as main ingredients. The use of non-malted cereals in beer production is common ...
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 ...
Espectroscopia eletrônica de moléculas halogenadas
(Universidade Federal de São Carlos, 2022-09-29)
We present a theoretical-experimental investigation of the valence state excitation of dichloromethane (CH2Cl2) and trichloromethane (CHCl3) molecules in the gas phase. The CH2Cl2 molecule was investigated using electron ...
Transformações alotrópicas de carbono induzidas por irradiação com feixe de elétrons
(Universidade Federal de São Carlos, 2021-08-27)
In the last years, the carbon has attracted scientific and technological interest due to its different allotropic forms, as graphite, graphene, fullerene, and carbon nanotubes, which present unique and promising properties. ...
Detecção e degradação eletroquímica de dexametasona usando eletrodos de diamante dopado com boro
(Universidade Federal de São Carlos, 2022-12-16)
Dexamethasone is a glucocorticoide, first synthesized in 1957, that is currently part of the World Health Organization's List of Essential Medicines. Thus, as na important drug, its potential for environmental contamination ...