Optical Fiber Biosensor toward E-coli Bacterial Detection on the Pollutant Water

Authors

  • Hoorieh Fallah Airlangga University
  • Tannaz Asadishad Shahid Beheshti University
  • Gholam M. Parsanasab Shahid Beheshti University
  • Sulaiman Wadi Harun University of Malaya
  • Waleed S. Mohammed Bangkok University
  • Moh. Yasin Airlangga University

DOI:

https://doi.org/10.4186/ej.2021.25.12.1

Keywords:

fiber optic biosensor, E. coli bacteria, ZnO nanorods, Gold(Au) nano layer

Abstract

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.

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Author Biographies

Hoorieh Fallah
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Department of Physics, Faculty of Science and Technology, Airlangga University, Surabaya, Indonesia

Photonic integrated Circuits laboratory, Electrical Engineering School, Shahid Beheshti University, Iran

Tannaz Asadishad
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Photonic integrated Circuits laboratory, Electrical Engineering School, Shahid Beheshti University, Iran

Gholam M. Parsanasab
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Photonic integrated Circuits laboratory, Electrical Engineering School, Shahid Beheshti University, Iran

Sulaiman Wadi Harun
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Photonics Engineering Laboratory, Department of Electrical Engineering, University of Malaya, 50603    Kuala Lumpur, Malaysia

Waleed S. Mohammed
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Center of Research in Optoelectronics, Communication and Control Systems (BU-CROCCS), School of Engineering, Bangkok University, Pathum Thani, Thailand

Moh. Yasin
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Department of Physics, Faculty of Science and Technology, Airlangga University, Surabaya, Indonesia

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Published In
Vol 25 No 12, Dec 30, 2021
How to Cite
[1]
H. Fallah, T. Asadishad, G. M. Parsanasab, S. W. Harun, W. S. Mohammed, and M. Yasin, “Optical Fiber Biosensor toward E-coli Bacterial Detection on the Pollutant Water”, Eng. J., vol. 25, no. 12, pp. 1-8, Dec. 2021.
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