Biosensing platform on optical fibre tip for lysozyme detection

Alain Castaño Andres, Javier Barroso, Raúl J. Martín-Palma, Iker García, Joseba Zubia, Oskar Arrizabalaga*

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    In this work, we report a new approach for fabricating a high sensitivity lysozyme biosensing. The aforementioned device consists of an optimized Fabry-Perot micro-cavity (FPC) fabricated onto cleaved end of a standard single mode fibre (SMF). The sensitive part of our device is the external face of the FPC, which was ad-hoc functionalized in order to provide high selectivity and high sensitivity. From the experimental test carried out, we have found that our sensor has a sensitivity higher than others reported so far, to the best of our knowledge. In addition, the platform introduced here can operate over a broad wavelength which makes it adaptable to different sensing targets. In addition, our sensor offers several advantages such as repeatability of fabrication, wide operating range and small size and weight, which benefit its sensing applications.

    Original languageEnglish
    Title of host publicationBiophotonics in Point-of-Care II
    EditorsMichael T. Canva, Ambra Giannetti, Hatice Altug, Julien Moreau
    PublisherSPIE
    ISBN (Electronic)9781510651661
    DOIs
    Publication statusPublished - 2022
    EventBiophotonics in Point-of-Care II 2022 - Virtual, Online
    Duration: 9 May 202220 May 2022

    Publication series

    NameProceedings of SPIE - The International Society for Optical Engineering
    Volume12145
    ISSN (Print)0277-786X
    ISSN (Electronic)1996-756X

    Conference

    ConferenceBiophotonics in Point-of-Care II 2022
    CityVirtual, Online
    Period9/05/2220/05/22

    Keywords

    • chemical functionalization
    • detection
    • interferometer
    • Lysozyme
    • optical fibre

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