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Development of sensor materials based on self assembled fims of conducting polymers and carbon nanotubes for the determination of endocrine disrupters in marine environments

Grant number: 14/23858-3
Support type:Regular Research Grants
Duration: March 01, 2015 - February 28, 2017
Field of knowledge:Engineering - Materials and Metallurgical Engineering
Principal Investigator:Fabio Ruiz Simões
Grantee:Fabio Ruiz Simões
Home Institution: Instituto de Saúde e Sociedade (ISS). Universidade Federal de São Paulo (UNIFESP). Campus Baixada Santista. Santos , SP, Brazil


There is a great interest in environmental monitoring of chemicals known as endocrine disrupters (DE) from industrial and human waste that may interfere with the endocrine system of humans and other animals. However, the monitoring of these substances is generally based on chromatographic methods. In this sense, the development of Sensor materials for monitoring these substances presents several advantages such as lower cost and time as well as offering the possibility of in-situ monitoring. Conducting polymer-based materials (CP 's) and carbon nanotubes (CNT 's) are being increasingly used in the development of sensors. The CP's main characteristic is its electrical conductivity that can be regulated in wide range, through interactions with electron donors and receptors, which makes them attractive as active transducers while the CNT's have the ability to promote electron transfer reactions, increasing the reaction speeds and decreasing the oxidation potentials. Thus, composites based on CP's and CNT's have been developed and showed synergistic properties such as increasing the sensitivity and selectivity in relation to its separated materials. In this project, self-assembled films based on composites of CP´s and CNT's will be produced and evaluated in determination of DE substances such as pesticides, pharmaceuticals and hormones in marine environment. (AU)

Scientific publications (5)
(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)
DE ARAUJO, GABRIELA MARTINS; SIMOES, FABIO RUIZ. Self-assembled films based on polypyrrole and carbon nanotubes composites for the determination of Diuron pesticide. Journal of Solid State Electrochemistry, v. 22, n. 5, SI, p. 1439-1448, MAY 2018. Web of Science Citations: 2.
FRANCA, RAFAELA FERREIRA; LIMA, THAYS DE SOUZA; SIMOES, FABIO RUIZ; CODOGNOTO, LUCIA. Electroanalytical Determination of Fenthion in Passiflora alata Tincture Samples. ORBITAL-THE ELECTRONIC JOURNAL OF CHEMISTRY, v. 10, n. 2, p. 92-97, JAN-MAR 2018. Web of Science Citations: 2.
LIMA, THAYS DE SOUZA; SIMOES, FABIO RUIZ; CODOGNOTO, LUCIA. Simultaneous voltammetric determination of carbendazim and carbaryl in medicinal plant infusions with a boron-doped diamond electrode. INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY, v. 97, n. 8, p. 768-782, 2017. Web of Science Citations: 1.
DE ARAUJO, GABRIELA MARTINS; POLACCI, LUIS ANTONIO; MAZO, TATIANA; CODOGNOTO, LUCIA; SIMOES, FABIO RUIZ. Development of Modified Electrodes Based on Self Assembled Films of Polypirrole and Carbon Nanotubes Composites for Pesticides Monitoring. MRS ADVANCES, v. 1, n. 21, p. 1561-1569, 2016. Web of Science Citations: 1.
ROSA, TIAGO; AROEIRA, GUSTAVO J. R.; PARREIRA, LUANNA S.; CODOGNOTO, LUCIA; SANTOS, MAURO C.; SIMOES, FABIO R. Self-assembled films based on polyaniline/multiwalled carbon nanotubes composites and sulphonated polystyrene deposited onto ITO substrates. Synthetic Metals, v. 210, n. B, p. 186-191, DEC 2015. Web of Science Citations: 5.

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