A Fiber Optic Sensor for the Simultaneous Measurement of Dual-parameter Based on Hydrogel-immobilized Enzyme Complex
Yilin Tong , Yu Zhang , Xuecai Han , Kan Yu , Jiaqi Bao
Journal of Wuhan University of Technology Materials Science Edition ›› 2023, Vol. 38 ›› Issue (6) : 1311 -1318.
A Fiber Optic Sensor for the Simultaneous Measurement of Dual-parameter Based on Hydrogel-immobilized Enzyme Complex
A novel fiber optic sensor based on hydrogel-immobilized enzyme complex was developed for the simultaneous measurement of dual- parameter, the leap from a single parameter detecting fiber optic sensor to a fiber optic sensor that can continuously detect two kinds of parameters was achieved. By controlling the temperature from high to low, the function of fiber sulfide sensor and fiber DCP sensor can be realized, so as to realize the continuous detection of dual-parameter. The different variables affecting the sensor performance were evaluated and optimized. Under the optimal conditions, the response curves, linear detection ranges, detection limits and response times of the dual-parameter sensor for testing sulfide and DCP were obtained, respectively. The sensor displays high selectivity, good repeatability and stability, which have good potentials in analyzing sulfide and DCP concentration of practical water samples.
hydrogel-immobilized enzyme complex / dual- parameter / simultaneous measurement / fiber optic sensor
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