Development of a sensitive fiber optic sensor monitoring NO based on vicinal diaminobenzoacridine fluorophore

Liyun Ding; Chao Fan; Jun Huang; Bing Liang; Fang Yuan; Daoren Gong

doi:10.1117/12.966843

7 November 2012 Development of a sensitive fiber optic sensor monitoring NO based on vicinal diaminobenzoacridine fluorophore

Liyun Ding, Chao Fan, Jun Huang, Bing Liang, Fang Yuan, Daoren Gong

Author Affiliations +

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84218U (2012) https://doi.org/10.1117/12.966843
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

A new fiber optic sensor has been developed for determination of NO using a fluorescent vicinal diaminobenzoacridine (VDABA) probe. The sensitive membrane was prepared from cellulose acetate (CA) embedded with VDABA, which caused a fluorescence recovery based on a photoelectron transfer (PET) mechanism. Modulation of optical phase shift of the sensor is observed with different NO concentrations. Under optimum conditions, a linear calibration (r²=0.9902) was obtained in the range of 1.0×10^-8 to 1.0×10^-5 mol/L NO concentration with a detection limit of 1.0×10^-9 mol/L (S/N=3). This sensor was successfully applied to the determination of NO in the rabbit serum.

Citation Download Citation

Liyun Ding, Chao Fan, Jun Huang, Bing Liang, Fang Yuan, and Daoren Gong "Development of a sensitive fiber optic sensor monitoring NO based on vicinal diaminobenzoacridine fluorophore", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84218U (7 November 2012); https://doi.org/10.1117/12.966843

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