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

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XXVII Brazilian Congress on Biomedical Engineering (CBEB 2020)

Part of the book series: IFMBE Proceedings ((IFMBE,volume 83))

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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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Acknowledgements

The authors thank the National Council for Scientific and Technological Development (CNPq) for its financial support.

Conflict of Interest

The authors declare no conflict of interest.

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Authors and Affiliations

  1. Department of Materials Physics, University of Pernambuco, Polytechnic School of Pernambuco, Recife, Brazil

    A. K. A. Lucas, V. M. Bezerra & R. A. Lima

  2. Department of Biomedical Engineering, Federal University of Pernambuco, Recife, Brazil

    P. D. Mendonça & R. A. F. Dutra

  3. Technological Innovation Institute, Min. Mario Andreaza, s/n-Várzea, Recife-PE, Recife, 50950-050, Brazil

    R. A. Lima

Authors
  1. A. K. A. Lucas
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  2. V. M. Bezerra
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  3. R. A. Lima
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  4. P. D. Mendonça
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  5. R. A. F. Dutra
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Corresponding author

Correspondence to R. A. Lima .

Editor information

Editors and Affiliations

  1. Department of Electrical Engineering, Universidade Federal do Espírito Santo, Vitória, Brazil

    Teodiano Freire Bastos-Filho

  2. Department of Electrical Engineering, Universidade Federal do Espírito Santo, Vitória, Brazil

    Eliete Maria de Oliveira Caldeira

  3. Department of Electrical Engineering, Universidade Federal do Espírito Santo, Vitória, Brazil

    Anselmo Frizera-Neto

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Lucas, A.K.A., Bezerra, V.M., Lima, R.A., Mendonça, P.D., Dutra, R.A.F. (2022). Low-Cost Modified Swab Graphite Electrode Development as a Point-of-Care Biosensor. In: Bastos-Filho, T.F., de Oliveira Caldeira, E.M., Frizera-Neto, A. (eds) XXVII Brazilian Congress on Biomedical Engineering. CBEB 2020. IFMBE Proceedings, vol 83. Springer, Cham. https://doi.org/10.1007/978-3-030-70601-2_354

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  • DOI: https://doi.org/10.1007/978-3-030-70601-2_354

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-70600-5

  • Online ISBN: 978-3-030-70601-2

  • eBook Packages: EngineeringEngineering (R0)

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