Enhancing Label-Free Biochemical Sensing via Graphene Oxide Layer Deposition on Dual Resonance Peak Long Period Gratings

Kasun P.W. Dissanayake*, Souvik Ghosh, Leonardo Binetti, Lourdes Alwis, B. M.Azizur Rahman, Tong Sun, Kenneth T.V. Grattan

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

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Abstract

This research introduces a novel label-free graphene oxide-coated dual-peak long-period grating sensor for measuring protein concentrations. It achieves high sensitivity (22 nm/(g/mL)) and a low limit of detection (0.9 µg/mL), demonstrating extremely high potential for fiber optic biosensor development.

Original languageEnglish
Number of pages4
DOIs
Publication statusPublished - 2023
Event28th International Conference on Optical Fiber Sensors, OFS 2023 - Naka-ku, Hamamatsu-shi, Japan
Duration: 20 Nov 202324 Nov 2023

Conference

Conference28th International Conference on Optical Fiber Sensors, OFS 2023
Country/TerritoryJapan
CityNaka-ku, Hamamatsu-shi
Period20/11/2324/11/23

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