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Mostrando ítems 141-150 de 176
Preparação, caracterização e aplicação de eletrodos de nanotubos de carbono na determinação de Cr(III), Cr(VI) e flavonoides
(Universidade Federal de São Carlos, 2013-01-30)
The objective of this work is the development of a carbon nanotubes past electrode (CNTs) as electrochemical sensors in the analysis of flavonoids, (+) catechin and rutin, and Cr (III) and Cr (VI) ions, by differential ...
Estudo teórico computacional dos sistemas micelares de alquilbenzenos em diiodometano
(Universidade Federal de São Carlos, 2014-02-28)
The surfactant-like behavior of the alkylbenzenes in diiodomethane is experimentally verified, being observed, in addition to the characteristic effects on the surface tension, evidences of clusters formation. The main ...
Uso de imagens digitais e ferramentas quimiométricas para identificação e determinação de Cr (VI) em solos contaminados
(Universidade Federal de São Carlos, 2012-03-23)
The determination of toxic metals in soils is an important factor to access their quality or identify possible contamination. The element Cr has double feature: Cr (III) is essential for human beings and Cr (VI) is toxic. ...
Síntese, caracterização e estudos de citotoxicidade e alvo biológico de complexos quadráticos planos contendo Tiossemicarbazonas
(Universidade Federal de São Carlos, 2019-09-20)
The diversity of cancer diseases and the side effects caused by the drugs commonly used in cancer treatment require different antineoplasic agents able to operate more specific and in a way to minimize the side effects. ...
Estudo fitoquímico e quimiossitemático de Galipea, Swinglea (Rutaceae) e avaliação do potencial biológico dos compostos isolados
(Universidade Federal de São Carlos, 2011-06-07)
The Galipea genus species classifications has been confuse since genus classification. Showing no agreement among taxonomists in several classification systems since 1823. However, Kallunki & Pirani corrected errors ...
Zirconato de cálcio: um estudo para aplicação como sensor de umidade relativa
(Universidade Federal de São Carlos, 2013-04-19)
In this work, it was used the Polymeric Precursors method (PPM). It started from a previous solution of metal cations in different concentrations, using citric acid as chelating agent and ethylene glycol as esterifying and ...
Desenvolvimento de fibras compósitas ultrafinas de policaprolactona, pectina e zeólita faujasita para acondicionamento de cloxacilina
(Universidade Federal de São Carlos, 2020-03-27)
Bovine mastitis and hoof diseases are infections responsible for great economic losses in the Brazilian agricultural sector. Such losses are associated with a reduction in milk and meat production leading to extreme cases ...
Nanopartículas coloidais de ouro e prata e sua funcionalização com dibutil-dicalcogenetos
(Universidade Federal de São Carlos, 2010-02-25)
Hybrid materials present interesting combination of the physical and chemical properties of organic and inorganic compounds in a single material that is widely employed in distinct technological applications. In the present ...
A aprendizagem de catálise enzimática por meio de casos: proposta para o ensino de química
(Universidade Federal de São Carlos, 2018-11-09)
The fundamental aim of provoking innovative forms of knowledge construction in Chemistry during basic education requires the instrumentalization of strategies that can show re-significances of pedagogical practices and ...
Papaína imobilizada em partículas magnéticas: novos modelos de triagem de ligantes
(Universidade Federal de São Carlos, 2019-03-29)
Cathepsins, human lysosomal enzymes, are associated with the development of various diseases, and cruzaine is an important enzyme in the development of the protozoan Trypanosoma cruzi, causes Chagas' disease. Cysteine ...