SENSITIVITY OF GRAPHENE OXIDE COATED TAPERED NO-CORE FIBRE SENSOR FOR URIC ACID DETECTION

Authors

  • M.I.A. Zaini Department of Physics, Faculty of Science, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia.
  • S. Daud Department of Physics, Faculty of Science, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia and Laser Center, Ibnu Sina Institute for Scientific & Industrial Research (ISI-SIR), Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia.
  • A.F.A. Noorden Centre for Advanced Optoelectronics Research (CAPTOR), Kulliyah of Science, International Islamic University Malaysia, 25200 Kuantan, Pahang, Malaysia.

DOI:

https://doi.org/10.54554/jet.2024.15.02.014

Keywords:

Tapered NCF, Graphene Oxide, Uric Acid, Uricase, Sensor

Abstract


This paper analyses the development, progress, and evaluation of a sensor system, which mainly consists of tapered no-core fibre (TNCF) for detecting uric acid (UA). To augment the capability of TNCF diameter, different powers of CO2 laser were used for creating the optical-based refractive index sensor. This action will allow for better interaction with the surrounding samples, improving the sensitivity. The sensing region was fixed to improve the sensitivity with a coating of graphene oxide (GO) solution. Experimental findings showed that the TNCF-GO sensor exhibited a higher sensitivity value at 0.00782 ± 0.00049 nm/µM, while NCF-GO sensor sensitivity only at 0.00447 ± 0.00019 nm/µM and NCF sensor sensitivity only at 0.00387 ± 0.00027 nm/µM. The TNCF-GO sensor demonstrated better performance compared to the others. This research improves the development of a susceptible and effective sensor for UA detection, especially in biomedical health diagnostics.

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Published

2024-12-31

How to Cite

Zaini, M., Daud, S., & Noorden, A. (2024). SENSITIVITY OF GRAPHENE OXIDE COATED TAPERED NO-CORE FIBRE SENSOR FOR URIC ACID DETECTION. Journal of Engineering and Technology (JET), 15(2), 219–230. https://doi.org/10.54554/jet.2024.15.02.014

Issue

Vol. 15 No. 2 (2024): JOURNAL OF ENGINEERING AND TECHNOLOGY

Section

Articles

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