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Development and application of composite electrodes based on graphite-poliurethane and graphite-silicone rubber-III: modification with carbon nanotubes and molecularly imprinted polymers

Abstract

In this work the development of the composite electrodes based on carbon nanotubes (CNT)commingled by polymers, such as poliurethane resin and silicone rubber is proposed. The CNT are nanostructures with interesting properties from the viewpoint of the electrochemical sensors. They combine high superficial area, high electrical conductivity, chemical stability and mechanical strength. In principle, the CNT must present better electrochemical reversibility, low capacitive current, easy surface renovation and finally, possibility of incorporation of modifiers. It is also proposed the synthesis of the molecularly imprinted polymers (MIP) to be used in the modification of composite electrodes graphite-poliurethane for determination and quantification of analytes in complex matrices such as biological or environmental samples. This project will contribute to the development of methods for determination of substances of biological or pharmacological interest, such as paracetamol, rutin, propranolol, among others, using the modified composite electrodes. The modification of composite should give better sensitivity and selectivity to the electrodes. (AU)

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VEICULO: TITULO (DATA)
VEICULO: TITULO (DATA)

Scientific publications (13)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
IVANA CESARINO; ÉDER TADEU GOMES CAVALHEIRO. Characterization of thiol-functionalised silica films deposited on electrode surfaces. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 11, n. 4, p. 465-469, . (08/03537-7)
CESARINO, IVANA; GOMES CAVALHEIRO, EDER TADEU. Characterization of Thiol-Functionalised Silica Films Deposited on Electrode Surfaces. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 11, n. 4, p. 465-469, . (08/03537-7)
CESARINO, IVANA; GOUVEIA-CARIDADE, CARLA; PAULIUKAITE, RASA; CAVALHEIRO, EDER T. G.; BRETT, CHRISTOPHER M. A.. Characterization and Application of Bismuth-Film Modified Graphite-Polyurethane Composite Electrodes. Electroanalysis, v. 22, n. 13, p. 1437-1445, . (08/03537-7)
DE SOUSA, ROGERIO ADELINO; SEMAAN, FELIPE SILVA; CERVINI, PRISCILA; GOMES CAVALHEIRO, EDER TADEU. Determination of Minoxidil by Bleaching the Permanganate Carrier Solution in a Flow-Based Spectrophotometric System. Analytical Letters, v. 44, n. 1-3, p. 349-359, . (08/03537-7)
CERVINI, PRISCILA; GOMES CAVALHEIRO, EDER TADEU. Evaluation of the Analytical Potentialities of a Composite Electrode Modified with Molecularly Imprinted Polymers. Analytical Letters, v. 42, n. 13, p. 1940-1957, . (08/03537-7, 06/06133-9)
CESARINO, IVANA; GOMES CAVALHEIRO, EDER TADEU. Characterization of Thiol-Functionalised Silica Films Deposited on Electrode Surfaces. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, v. 11, n. 4, p. 5-pg., . (08/03537-7)
SOUSA, ROGERIO A.; DOS-SANTOS, SIDNEY X.; CAVALHEIRO, EDER T. G.; BRETT, CHRISTOPHER M. A.. Graphite-Polyurethane and Graphite-Silicone Rubber Composite Electrodes for Electrochemical Characterization and Determination of Minoxidil. Electroanalysis, v. 25, n. 3, SI, p. 706-715, . (08/03537-7)
DOS SANTOS, SIDNEY XAVIER; CAVALHEIRO, EDER T. G.; BRETT, CHRISTOPHER M. A.. Analytical Potentialities of Carbon Nanotube/Silicone Rubber Composite Electrodes: Determination of Propranolol. Electroanalysis, v. 22, n. 23, p. 2776-2783, . (08/03537-7)
CALIXTO, CAROLINA M. F.; CERVINI, PRISCILA; CAVALHEIRO, EDER T. G.. Determination of atenolol in environmental water samples and pharmaceutical formulations at a graphite-epoxy composite electrode. INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY, v. 92, n. 5, p. 561-570, . (08/03537-7)
CESARINO, IVANA; MARINO, GLIMALDO; GOMES CAVALHEIRO, EDER TADEU. A novel graphite-polyurethane composite electrode modified with thiol-organofunctionalized silica for the determination of copper ions in ethanol fuel. FUEL, v. 89, n. 8, p. 1883-1888, . (08/03537-7)
SOUSA, ROGERIO A.; DOS-SANTOS, SIDNEY X.; CAVALHEIRO, EDER T. G.; BRETT, CHRISTOPHER M. A.. Graphite-Polyurethane and Graphite-Silicone Rubber Composite Electrodes for Electrochemical Characterization and Determination of Minoxidil. Electroanalysis, v. 25, n. 3, p. 10-pg., . (08/03537-7)

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