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Localized biosensing with Topas microstructured polymer optical fiber.

Grigoriy Emiliyanov1, Jesper B Jensen, Ole Bang

  • 1COM - DTU, Department of Communications, Optics and Materials, Technical University of Denmark, Muilding 345v, 2800 Kgs. Lyngby, Denmark. gem@com.dtu.dk

Optics Letters
|March 30, 2007
PubMed
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Researchers developed a novel fiber-optic biosensor using Topas polymer. This microstructured polymer optical fiber (mPOF) enables localized sensing for detecting specific antibodies.

Area of Science:

  • Materials Science
  • Biomedical Engineering
  • Optical Physics

Background:

  • Microstructured polymer optical fibers (mPOFs) offer unique platforms for sensing applications.
  • Cyclic olefin copolymers, like Topas, possess advantageous material and biochemical properties for biosensing.
  • Developing novel fiber-optic biosensors is crucial for sensitive and selective biomolecule detection.

Purpose of the Study:

  • To fabricate the first microstructured polymer optical fiber (mPOF) using Topas cyclic olefin copolymer.
  • To demonstrate a novel fiber-optic biosensor concept utilizing the mPOF's structure.
  • To showcase the localized activation of sensor layers within the mPOF for specific detection.

Main Methods:

  • Fabrication of mPOF using Topas cyclic olefin copolymer.

Related Experiment Videos

  • Development of a localized sensor layer activation strategy on the inner surfaces of air holes.
  • Implementation of a fluorescence-based detection method.

    • Main Results:

    • Successful fabrication of Topas-based mPOF.
    • Demonstration of localized sensor activation within the mPOF's air holes.
    • Selective detection of fluorophore-labeled antibodies using the developed biosensor.

    Conclusions:

    • Topas cyclic olefin copolymer is a suitable material for fabricating mPOFs for biosensing.
    • The proposed localized sensing approach within mPOF air holes is feasible.
    • This novel mPOF platform enables sensitive and selective antibody detection, paving the way for advanced fiber-optic biosensors.