Optical fiber biosensor toward E-coli bacterial detection on the pollutant water

Fallah, Hoorieh and Asadishad, Tannaz and Parsanasab, Gholam M. and Harun, Sulaiman Wadi and Mohammed, Waleed S. and Yasin, Moh (2021) Optical fiber biosensor toward E-coli bacterial detection on the pollutant water. Engineering Journal-Thailand, 25 (12). pp. 1-8. ISSN 0125-8281, DOI https://doi.org/10.4186/ej.2021.25.12.1.

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In this study, Zinc oxide (ZnO) nanorods based fiber optic biosensor has been reported for rapid and sensitive detection of Escherichia Coli (E-coli). A thin layer of Gold nanoparticles (Au) (around 50 nm) is coated on the tip of a multimode plastic optical fiber. ZnO Nanorods are grown on Au layer thorough hydrothermal technique. This sensor showed a very fast response within the first 10 second of contacting the present of polluted water with E-coli Different concentrations of E. coli from (1000 to 4000 CFU/ml) have been tested and a sharp trend of sensitivity was observed. This sensing platform shows promising potential for regular water and food quality monitoring of various pathogenic microorganisms. © 2021, Chulalongkorn University, Faculty of Fine and Applied Arts. All rights reserved.

Item Type: Article
Funders: Airlangga University
Uncontrolled Keywords: Fiber optic biosensor;E. coli bacteria;ZnO nanorods;Gold(Au) nano layer
Subjects: Q Science > QC Physics
T Technology > TD Environmental technology. Sanitary engineering
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms Zaharah Ramly
Date Deposited: 02 Nov 2022 04:24
Last Modified: 02 Nov 2022 04:24
URI: http://eprints.um.edu.my/id/eprint/36131

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