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Development of portable electrochemical devices on polymer materials using CO2 laser for analytical applications

Grant number: 18/16250-0
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): November 01, 2018
Effective date (End): May 31, 2023
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal Investigator:Thiago Regis Longo Cesar da Paixão
Grantee:Letícia Francine Mendes
Host Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated scholarship(s):21/10523-7 - Development of electrochemical wearable sensors for quantification of health risk markers, BE.EP.DR

Abstract

Clinical analyzes are currently important for biological biomarkers detection in the human organism in order to detect different types of diseases. In places with low infrastructure, it is difficult to carry out these analyzes, therefore, the development of disposable, low-cost and easy access devices have become increasingly interesting. This implies in performing analyzes without the need of very specialized locals and well-equipped laboratories. Thus, the aim of this project is to develop disposable electrochemical devices exploring the modification of polymeric substrates with carbon materials. The main process to obtain this modification will be the use of a CO2 laser to carbonize the surface obtained the electrodes on the surface of the polymeric layer. This process could provide low-cost and flexible devices that could be couple with wearable sensors platforms in the future. (AU)

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Scientific publications (6)
(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)
PAIXAO, THIAGO R. L. C.. Measuring Electrochemical Surface Area of Nanomaterials versus the Randles-Sevcik Equation. CHEMELECTROCHEM, v. 7, n. 16, p. 2-pg., . (18/16250-0)
ATAIDE, VANESSA N.; ARANTES, IANA V. S.; MENDES, LETICIA F.; ROCHA, DANIELLY S.; BALDO, THAISA A.; COLTRO, WENDELL K. T.; PAIXAO, THIAGO R. L. C.. Review-A Pencil Drawing Overview: From Graphite to Electrochemical Sensors/Biosensors Applications. Journal of the Electrochemical Society, v. 169, n. 4, p. 15-pg., . (18/14462-0, 18/08782-1, 18/16250-0, 19/15065-7)
STEFANO, JESSICA SANTOS; ORZARI, LUIZ OTAVIO; SILVA-NETO, HABDIAS ARAUJO; DE ATAIDE, VANESSA NEIVA; MENDES, LETICIA FRANCINE; TOMAZELLI COLTRO, WENDELL KARLOS; CESAR PAIXAO, THIAGO REGIS LONGO; JANEGITZ, BRUNO CAMPOS. Different approaches for fabrication of low-cost electrochemical sensors. CURRENT OPINION IN ELECTROCHEMISTRY, v. 32, p. 9-pg., . (18/08782-1, 18/16250-0, 18/14462-0, 17/21097-3)
MENDES, LETICIA FRANCINE; DE SIERVO, ABNER; DE ARAUJO, WILLIAM REIS; LONGO CESAR PAIXAO, THIAGO REGIS. Reagentless fabrication of a porous graphene-like electrochemical device from phenolic paper using laser-scribing. Carbon, v. 159, p. 110-118, . (17/10522-5, 18/08782-1, 07/54829-5, 18/16250-0)
CLARK, KAYLEE M.; SKRAJEWSKI, LAUREN; BENAVIDEZ, TOMAS E.; MENDES, LETICIA F.; BASTOS, ERICK L.; DORR, FELIPE A.; SACHDEVA, RAKESH; OGALE, AMOD A.; PAIXAO, THIAGO R. L. C.; GARCIA, CARLOS D.. Fluorescent patterning of paper through laser engraving. SOFT MATTER, v. 16, n. 33, p. 7659-7666, . (18/16250-0, 18/08782-1)
BALDO, THAISA A.; DE LIMA, LUCAS FELIPE; MENDES, LETICIA F.; DE ARAUJO, WILLIAM R.; PAIXAO, THIAGO R. L. C.; COLTRO, WENDELL K. T.. Wearable and Biodegradable Sensors for Clinical and Environmental Applications. ACS APPLIED ELECTRONIC MATERIALS, v. 3, n. 1, p. 68-100, . (18/16250-0, 18/08782-1, 19/16491-0)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
MENDES, Letícia Francine. Development of portable electrochemical devices on polymer materials using CO2 laser for analytical applications. 2023. Doctoral Thesis - Universidade de São Paulo (USP). Conjunto das Químicas (IQ e FCF) (CQ/DBDCQ) São Paulo.

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