Functionalization of exposed core fibers with multiligand binding molecules for fluorescence based ion sensing

Roman Kostecki; Sabrina Heng; Heike Ebendorff-Heidepriem; Andrew D. Abell; Tanya M. Monro

doi:10.1117/12.2059481

2 June 2014 Functionalization of exposed core fibers with multiligand binding molecules for fluorescence based ion sensing

Roman Kostecki, Sabrina Heng, Heike Ebendorff-Heidepriem, Andrew D. Abell, Tanya M. Monro

Author Affiliations +

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 915788 (2014) https://doi.org/10.1117/12.2059481
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

The results of functionalizing exposed-core optical fiber with multiligand binding sensor molecules for ion detection is presented. We show that the capacity of the sensor molecules to bind multiple ligands is negated when the sensor molecules are covalently bound, making the method ineffective where multiligand binding fluoroionophores are needed. An alternate functionalization method using thin film polymer doped with multiligand binding fluoroionophores is shown, demonstrating the ability for ion detection in a case where multiligand binding is needed. This one step functionalizing process for optical fiber sensing applications does not require surface attachment functional groups and has the potential to be inline with fiber drawing so that long lengths of functionalized fiber can be fabricated.

Citation Download Citation

Roman Kostecki, Sabrina Heng, Heike Ebendorff-Heidepriem, Andrew D. Abell, and Tanya M. Monro "Functionalization of exposed core fibers with multiligand binding molecules for fluorescence based ion sensing", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915788 (2 June 2014); https://doi.org/10.1117/12.2059481

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