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Fabrication of electrochemical paper-based device aiming clinical and environmental applications

Grant number: 18/14462-0
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): March 01, 2019
Effective date (End): March 31, 2021
Field of knowledge:Physical Sciences and Mathematics - Chemistry
Principal Investigator:Thiago Regis Longo Cesar da Paixão
Grantee:Vanessa Neiva de Ataide
Home Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

Paper is an inexpensive, affordable and disposable platform that has been used as a platform for chemical sensors in recent years; its use represents an alternative for conducting chemical analyzes in limited resources regions. One of the simplest ePAD (electrochemical Paper-based Analytical Devices) fabrication techniques that uses ready-to-use materials is pencil drawing, which consists of painting trails on paper with drawing pencils and it will be one of the proposed method that will be used in this project for the fabrication of the ePADs. In addition, it is intended to perform the treatment of these graphite surfaces with laser, in order to improve the electrochemical performance of the devices. Another approach to obtain ePADs with carbon materials is to explore the reduction of graphene oxide (GO). Thus, the objective is to obtain the rGO (reduced graphene oxide) using electrochemical techniques and by thermal reduction by laser on the paper surface and immobilize these materials at the paper surface in order to obtain the ePADs. The application of these ePADs fabricated by this project will be the detection of chemical species with clinical and environmental interest.

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)
FERREIRA, PATRICK CESAR; ATAIDE, VANESSA NEIVA; SILVA CHAGAS, CYRO LUCAS; ANGNES, LUCIO; TOMAZELLI COLTRO, WENDELL KARLOS; LONGO CESAR PAIXAO, THIAGO REGIS; DE ARAUJO, WILLIAM REIS. Wearable electrochemical sensors for forensic and clinical applications. TRAC-TRENDS IN ANALYTICAL CHEMISTRY, v. 119, OCT 2019. Web of Science Citations: 1.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.