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2022 | OriginalPaper | Chapter

Low-Cost Modified Swab Graphite Electrode Development as a Point-of-Care Biosensor

Authors : A. K. A. Lucas, V. M. Bezerra, R. A. Lima, P. D. Mendonça, R. A. F. Dutra

Published in: XXVII Brazilian Congress on Biomedical Engineering

Publisher: Springer International Publishing

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Abstract

Biosensor development and biorecognition systems such as Point-of-care (POC) devices, have been studied and applied in sensors platforms to help the diagnosis of some diseases. This work presents the construction of a cost-effective POC device for sensitive detection with the aid of a swab graphite electrode and a carbon nanotubes (CNT) and chitosan (CHIT) film characterization. This unique and simple electrode design allows better contact with the target analyte without additional preparations. Cyclic voltammetry tests and dip coating techniques were performed. The results show a significant increase in the current area measurement of the graphite surface which contributes as an economical alternative for the manufacture of biosensors.

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Title: Low-Cost Modified Swab Graphite Electrode Development as a Point-of-Care Biosensor
Authors: A. K. A. Lucas
V. M. Bezerra
R. A. Lima
P. D. Mendonça
R. A. F. Dutra
Publisher: Springer International Publishing
Book: XXVII Brazilian Congress on Biomedical Engineering
Print ISBN: 978-3-030-70600-5

Electronic ISBN: 978-3-030-70601-2

Copyright Year: 2022
DOI: https://doi.org/10.1007/978-3-030-70601-2_354