Buscar
Mostrando ítems 71-80 de 176
Estudo do perfil químico de Cyperus rotundus e avaliação do seu potencial de absorção de metais
(Universidade Federal de São Carlos, 2016-07-27)
The following work describes the comparative study of the variation between chemical profiles of plants of the Cyperus rotundus species – where one was collected at Vale S.A.’s dumping ground in Canaã dos Carajás city, ...
Novas arquiteturas para sensores modificados com materiais nanoestruturados de carbono
(Universidade Federal de São Carlos, 2016-02-19)
In this work are reported the development of new architectures for sensors using carbon nanomaterials. Firstly, the investigation of the nanomaterials reduced graphene oxide (RGO) and carbon black (CB) in
chitosan film ...
Tris(trimethylsilyl)silane and visible-light irradiation : a new metal- and additive-free photochemical process for the synthesis of indoles and oxindoles
(Universidade Federal de São Carlos, 2016-07-29)
A combined tris(trimethylsilyl)silane and visible-light-promoted intramolecular reductive cyclization protocol for the synthesis of indoles and oxindoles has been developed (Scheme 1).1 This straightforward and efficient ...
Estudo químico e biológico de micro-organismos endofíticos associados às frutas banana, pêra e goiaba
(Universidade Federal de São Carlos, 2010-03-05)
Studies about interaction between microorganisms and plants are focused mainly in the vegetal tissues like roots, steam and leaves. Fruits are a right target for microorganism attacks. Nevertheless, endophytic microorganisms ...
Estudos de separação enantiosseletiva para uma série de sulfóxidos quirais em colunas poliméricas
(Universidade Federal de São Carlos, 2010-03-12)
The liquid chromatography enantiomeric separation of a series of seventeen chiral sulfoxides was systematically investigated using multimodal elution with the new synthetic polymeric stationary phases based on monomers ...
Estudo de produtos naturais e derivados sintéticos buscando inibidores seletivos das catepsinas L e V
(Universidade Federal de São Carlos, 2011-01-31)
The present work describes the search of bioactive secondary metabolites in plant species of genus Zanthoxylum and synthetic derivatives seeking specific inhibitors of cathepsins L and V. The natural products are involved ...
Transformações na matéria orgânica nos sedimentos e águas eutrofizados da Represa Ibirité (Ibirité-Sarzedo, MG) tratados com nitrato de cálcio em microcosmos
(Universidade Federal de São Carlos, 2010-11-19)
Due to the growing concern with the environment and the welfare of future generations the search for the restoration of degraded areas and the reestablishment of equilibrium between the anthropogenic and natural environments ...
Complexos de metais de transição para o desenvolvimento de novas drogas neuroativas
(Universidade Federal de São Carlos, 2010-02-26)
The biological role and pharmacological utility of histamine and 4-aminopyridine in the physiological medium has led us to the development of luminescent and photolabile metal-histamine and metal-4-aminopyridine donor that ...
Ensaios bioquímicos e celulares para a identificação de novos inibidores de TcGAPDH seletivos à HsGAPDH
(Universidade Federal de São Carlos, 2011-08-11)
Chagas disease is a tropical neglected illness; nearly 10 million people are infected, in 2008 it was responsible for the deaths of about 10 thousand people. At present, only two medicines (benznidazol and nifurtimox) are ...
Estudo do eletropolimento galvanostático de aço inoxidável AISI 304 utilizando soluções ácidas concentradas
(Universidade Federal de São Carlos, 2011-12-09)
Stainless steel has been the subject of numerous studies due to technological and economic importance. Features such as durability, corrosion and high temperatures resistances confer to the steel relevant applications in ...