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Fabrication and characterization of nanoelectrodes for use in Scanning Electrochemical Microscopy (SECM): fundamental and analytical applications

Grant number: 14/15215-5
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): April 01, 2015
Effective date (End): March 31, 2018
Field of knowledge:Physical Sciences and Mathematics - Chemistry
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Mauro Bertotti
Grantee:Sukeri Anandhakumar
Home Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil


This research project is focused on the preparation and characterization of nanoelectrodes for biosensing applications and exploration of nanoelectrode based nanoparticle for single molecule electrochemistry. Nanoelectrodes will also be used as probes in Scanning Electrochemical Microscopy (SECM) for understanding electron-transfer kinetics, probing single catalytic nanoparticles and to nanoscale electrochemical imaging. (AU)

Scientific publications (9)
(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)
SUKERI, ANANDHAKUMAR; ARJUNAN, ANANTHI; BERTOTTI, MAURO. New strategy to fabricate a polydopamine functionalized self-supported nanoporous gold film electrode for electrochemical sensing applications. Electrochemistry Communications, v. 110, JAN 2020. Web of Science Citations: 0.
CATOTA SAENZ, HENRY STEVEN; PATRICIO HERNANDEZ-SARAVIA, LUCAS; SELVA, JESSICA S. G.; SUKERI, ANANDHAKUMAR; JAVIER ESPINOZA-MONTERO, PATRICIO; BERTOTTI, MAURO. Electrochemical dopamine sensor using a nanoporous gold microelectrode: a proof-of-concept study for the detection of dopamine release by scanning electrochemical microscopy. Microchimica Acta, v. 185, n. 8 AUG 2018. Web of Science Citations: 19.
KUMAR, ABHISHEK; GONCALVES, JOSUE M.; SUKERI, ANANDHAKUMAR; ARAKI, KOITI; BERTOTTI, MAURO. Correlating surface growth of nanoporous gold with electrodeposition parameters to optimize amperometric sensing of nitrite. SENSORS AND ACTUATORS B-CHEMICAL, v. 263, p. 237-247, JUN 15 2018. Web of Science Citations: 13.
SUKERI, ANANDHAKUMAR; BERTOTTI, MAURO. Nanoporous Gold Surface: An Efficient Platform for Hydrogen Evolution Reaction at Very Low Overpotential. Journal of the Brazilian Chemical Society, v. 29, n. 2, p. 226-231, FEB 2018. Web of Science Citations: 4.
SUKERI, ANANDHAKUMAR; BERTOTTI, MAURO. Electrodeposited honeycomb-like dendritic porous gold surface: An efficient platform for enzyme-free hydrogen peroxide sensor at low overpotential. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, v. 805, p. 18-23, NOV 15 2017. Web of Science Citations: 9.
ORELLANA JARAMILLO, DARIO XAVIER; SUKERI, ANANDHAKUMAR; SARAVIA, LUCAS P. H.; ESPINOZA-MONTERO, PATRICIO JAVIER; BERTOTTI, MAURO. Nanoporous Gold Microelectrode: A Novel Sensing Platform for Highly Sensitive and Selective Determination of Arsenic (III) using Anodic Stripping Voltammetry. Electroanalysis, v. 29, n. 10, p. 2316-2322, OCT 2017. Web of Science Citations: 11.
SUKERI, ANANDHAKUMAR; LIMA, ALEX S.; BERTOTTI, MAURO. Development of non-enzymatic and highly selective hydrogen peroxide sensor based on nanoporous gold prepared by a simple unusual electrochemical approach. Microchemical Journal, v. 133, p. 149-154, JUL 2017. Web of Science Citations: 11.
SARAVIA, L. P. H.; ANANDHAKUMAR, S.; PARUSSULO, A. L. A.; MATIAS, T. A.; CALDEIRA DA SILVA, C. C.; KOWALTOWSKI, A. J.; ARAKI, K.; BERTOTTI, M. Development of a tetraphenylporphyrin cobalt (II) Modified glassy carbon electrode to monitor oxygen consumption in biological samples. Journal of Electroanalytical Chemistry, v. 775, p. 72-76, AUG 15 2016. Web of Science Citations: 6.
SUKERI, ANANDHAKUMAR; HERNANDEZ SARAVIA, LUCAS PATRICIO; BERTOTTI, MAURO. A facile electrochemical approach to fabricate a nanoporous gold film electrode and its electrocatalytic activity towards dissolved oxygen reduction. Physical Chemistry Chemical Physics, v. 17, n. 43, p. 28510-28514, 2015. Web of Science Citations: 26.

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