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Development and application of screen printed and rod graphite and polyurethane based composite electrodes and molecularly imprinted polymers for analytical purposes

Grant number: 10/06485-8
Support type:Regular Research Grants
Duration: July 01, 2010 - June 30, 2012
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal Investigator:Priscila Cervini
Grantee:Priscila Cervini
Home Institution: Instituto de Química de São Carlos (IQSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil


The development of Screen-Printed Electrodes (SPE), based on graphite and polyurethane composites is proposed. The hydrophobic character of such material associated to the possibility of automation in the manufacturing of a single electroanalytical device containing the working, reference and auxiliary electrodes printed on the same support makes the proposition attractive.In addition the preparation and characterization of molecularly imprinted polymers (MIP) intended to be used as modifiers for the composite electrodes are also proposed. It is expected that the MIP lead to an improvement in the selectivity and sensitivity of the electrodes and epinephrine is proposed as a probe for developing analytical procedures that will be applied in real samples.An evaluation of the electrode performance in electroanalytical techniques such as cyclic, differential pulse and square wave voltammetry will be performed. The procedures are intended to be used in the determination of analytes with environmental, biological and pharmaceutical interest using both the SPE and the MIP modified composites (AU)

Scientific publications
(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)
SACILOTO, THALITA R.; CERVINI, PRISCILA; CAVALHEIRO, EDER T. G. Simultaneous Voltammetric Determination of Acetaminophen and Caffeine at a Graphite and Polyurethane Screen-Printed Composite Electrode. Journal of the Brazilian Chemical Society, v. 24, n. 9, p. 1461-1468, Set. 2013. Web of Science Citations: 16.
SACILOTO, THALITA ROCHA; CERVINI, PRISCILA; GOMES CAVALHEIRO, EDER TADEU. New Screen Printed Electrode Based on Graphite and Polyurethane Composite for the Determination of Acetaminophen. Analytical Letters, v. 46, n. 2, p. 312-322, 2013. Web of Science Citations: 9.

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