Electrochemical Microbiosensor for Detecting COVID-19 in a Patient Sample Based on Gold Microcuboids Pattern
- 9 August 2021
- journal article
- research article
- Published by Springer Science and Business Media LLC in BioChip Journal
- Vol. 15 (3), 287-295
- https://doi.org/10.1007/s13206-021-00030-3
Abstract
As continues increasing the COVID-19 infections, there is an urgent need for developing fast, simple, selective, and accurate COVID-19 biosensors. A highly uniform gold (Au) microcuboid pattern was used as a microelectrode that allowed monitoring a small analyte. The electrochemical biosensor was used to monitor the COVID-19 S protein within a concentration range from 100 to 5 pmol L−1; it showed a lower detection limit of 276 fmol L−1. Finally, the developed COVID-19 sensor was used to detect a positive sample from a human patient obtained through a nasal swab; the results were confirmed using the PCR technique. The results showed that the SWV technique showed high sensitivity towards detecting COVID-19 and good efficiency for detecting COVID-19 in a positive human sample.Keywords
Funding Information
- King Abdulaziz City for Science and Technology (5-20-01-031-0009)
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