Buscar
Itens para a visualização no momento 151-160 of 1061
Modificação das propriedades dos polímeros de NBR carboxilado comerciais a partir da incorporação de nanopartículas sintéticas
(Universidade Federal de São Carlos, 2014-02-21)
Aiming to overcome the performance of polymers, a new class of hybrid materials has emerged by the fillers insertion into polymeric matrices. In this sense, silica nanoparticles with a diameter of 250 nm were modified by ...
Sensores eletroquímicos contendo supramoléculas de complexos periféricos de rutênio: obtenção e aplicações
(Universidade Federal de São Carlos, 2013-02-28)
In this work were performed the reaction of the 5, 10, 15, 20- (tetrapyridil)porphyrin (TPyP) with the cations: Mn(III), Zn(II), Fe(III) and Ga(III) promoting the insertion of these metals in the porphyrin ring center. The ...
Desenvolvimento de procedimentos em fluxo para a determinação de Captopril, Dipirona e Paracetamol envolvendo multicomutação e inibição da quimiluminêscencia
(Universidade Federal de São Carlos, 2008-02-20)
In the present work, analytical procedures were developed using the multicomutação concept and inhibition of the chemilumenescence for the pharmaceuticals determination, such as, captopril, dipirona and paracetamol. For ...
Especiação redox de crômio em amostras de solos contaminados
(Universidade Federal de São Carlos, 2012-03-21)
Chromium and its compounds are employed in various industrial processes, and these activities are responsible for the disposal of significant amounts of materials containing this element in the environment. Due to the known ...
Complexos fosfínicos de Ru(II) e Ru(III) com fármacos anti-tuberculose e seus derivados
(Universidade Federal de São Carlos, 2012-05-25)
In this work were synthesized ruthenium complexes using pyrazinamide (PZA), a first-line drug in the treatment of tuberculosis, as well as isonicotinamide (ins) and isonicotinic acid (INA), isoniazid derivatives, as ligand. ...
Influência da adição de nitrato de cálcio e de PhoslockTM no abatimento dos fluxos de nutrientes e metais na interface sedimento-coluna de água em um sistema lacustre eutrofizado
(Universidade Federal de São Carlos, 2012-02-16)
This research project evaluated the changes in the fluxes of nutrients
and metals at the sediment-water interface as a result of sediment treatment by the
additions of PhoslockTM and calcium nitrate solution. The experiments ...
Identificação e estudo do fungo Mucor circinelloides isolado do tronco de Pinus taeda, com ênfase em biotransformação da carvona
(Universidade Federal de São Carlos, 2012-03-28)
Identification and study of the fungus Mucor circinelloides isolated from the trunk of Pinus taeda, with emphasis on the carvone biotransformation. Fungi associated with plants have been studied ripping seeking the discovery ...
Obtenção de sachês biodegradáveis de amido reforçados com nanopartículas de CuO para liberação de nutrientes minerais
(Universidade Federal de São Carlos, 2020-12-18)
Fertilizers have been used as agricultural inputs to allow maximum yield during the growth of crops. One of the significant challenges is the efficiency of the plant's nutritional process. It is necessary to use excessive ...
O museu de ciências como promotor da motivação: lembranças do público do setor de química do CDCC/USP
(Universidade Federal de São Carlos, 2014-05-30)
This work refers to a study of the motivational aspects found in the mini courses offered by the Chemistry Sector of the Center for Cultural and Scientific Dissemination (Centro de Divulgação Científica e Cultural CDCC). ...
Surface modification with polymers as a tool to functionalize fabrics, fabricate graded materials and design interface of composites
(Universidade Federal de São Carlos, 2021-10-01)
Tailoring the properties of a material for a target application often depends on combining features of different components. To effectively arrange these components in a material, several methods have been developed to ...