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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Disposable electrode obtained by pencil drawing on corrugated fiberboard substrate

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Author(s):
Orzari, Luiz Otavio [1] ; de Araujo Andreotti, Isabela Aparecida [1, 2] ; Bergamini, Marcio Fernando [3] ; Marcolino Junior, Luiz Humberto [3] ; Janegitz, Bruno Campos [1]
Total Authors: 5
Affiliation:
[1] Univ Fed Sao Carlos, Dept Nat Sci Math & Educ, BR-13600970 Araras, SP - Brazil
[2] Univ Fed Sao Carlos, Ctr Exact Sci & Technol, BR-13560000 Sao Carlos, SP - Brazil
[3] Univ Fed Parana UFPR, Dept Quim, Lab Sensores Eletroquim LabSensE, BR-81531980 Curitiba, Parana - Brazil
Total Affiliations: 3
Document type: Journal article
Source: SENSORS AND ACTUATORS B-CHEMICAL; v. 264, p. 20-26, JUL 1 2018.
Web of Science Citations: 9
Abstract

In this work, we report the development of a new disposable electroanalytical device based on direct transfer of graphite from a common pencil, by drawing and painting a three electrodes system, on a corrugated fiberboard substrate (PD-CFB). Surface morphology and electrochemical features were investigated by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS) and cyclic voltammetry (CV) techniques. Wide useful potential windows in different electrolyte solutions were verified. As proof of concept, the proposed sensor was applied for catechol (CA) detection in environmental samples. Following the optimal experimental conditions, a linear dynamic response (LDR) was in the range of 0.051.1 mmol L-1 with a limit of detection (LOD) of 0.01 mmol L-1. The proposed architecture allowed the construction of electroanalytical device by easy and feasible procedure using non-toxic and renewable materials (ecofriend) with low cost. In addition, the electrodes can be used without any pretreatment of the electrode surface. (C) 2018 Elsevier B.V. All rights reserved. (AU)

FAPESP's process: 16/12697-4 - Nanostructured sensors modified with graphene and tapioca for determination of phenolics compounds and nitrogenous bases
Grantee:Luiz Otávio Orzari
Support Opportunities: Scholarships in Brazil - Scientific Initiation
FAPESP's process: 15/19099-2 - Development of electrochemical sensors and biosensors for different analytical purposes
Grantee:Bruno Campos Janegitz
Support Opportunities: Regular Research Grants