Optical fiber calcium ion sensor: development and testing

Monika Arora; Grace Doan; Sonia R. Anderson; Florence Nwachukwu; Thomas K. Plant

doi:10.1117/12.544399

20 November 2003 Optical fiber calcium ion sensor: development and testing

Monika Arora, Grace Doan, Sonia R. Anderson, Florence Nwachukwu, Thomas K. Plant

Proceedings Volume 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop; (2003) https://doi.org/10.1117/12.544399
Event: Sixth Pacific Northwest Fiber Optic Sensor Workshop, 2003, Troutdale, OR, United States

Abstract

An optical fiber calcium ion sensor is developed through the exploitation of the natural selectivity of the Ca⁺² binding properties of the fluorescent probe Calcium Orange (Molecular Probes, Eugene, OR). A multi-mode optical fiber is used to detect calcium in solution. There is a two and a half fold increase observed between a 1 mM EGTA + buffer solution and a 1 mM Ca²⁺ solution. A variety of different methods of attaching the molecular probe to the end of the fiber are explored.

Citation Download Citation

Monika Arora, Grace Doan, Sonia R. Anderson, Florence Nwachukwu, and Thomas K. Plant "Optical fiber calcium ion sensor: development and testing", Proc. SPIE 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop, (20 November 2003); https://doi.org/10.1117/12.544399

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