Electrochemical Microbiosensor for Detecting COVID-19 in a Patient Sample Based on Gold Microcuboids Pattern
- 주제(키워드) 도움말 COVID-19 , Gold microelectrode , Cyclic voltammetry , Square wave voltammetry , Electrochemical biosensor , Raman spectroscopy , Nasal swab
- 발행기관 KOREAN BIOCHIP SOCIETY-KBCS
- 발행년도 2021
- 총서유형 Journal
- 본문언어 영어
초록/요약 도움말
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.
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