期刊
SENSORS
卷 18, 期 1, 页码 -出版社
MDPI AG
DOI: 10.3390/s18010034
关键词
polymer optical fibers; absorption evanescent wave sensing; bio-chemical sensing; surface functionalization
资金
- European Regional Development Fund
- Ministerio de Economia y Competitividad [TEC2015-638263-C03-1-R]
- Gobierno Vasco/Eusko Jaurlaritza [IT933-16, IT718-13]
- ELKARTEK [KK-2016/0030, KK-2017/00033, KK-2017/00089, KK-2016/0059]
- Universidad del Pais Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Vicerrectorado de Euskera y Formacion Continua
In this work we show an optical fiber evanescent wave absorption probe for glucose detection in different physiological media. High selectivity is achieved by functionalizing the surface of an only-core poly(methyl methacrylate) (PMMA) polymer optical fiber with phenilboronic groups, and enhanced sensitivity by using a U-shaped geometry. Employing a supercontinuum light source and a high-resolution spectrometer, absorption measurements are performed in the broadband visible light spectrum. Experimental results suggest the feasibility of such a fiber probe as a low-cost and selective glucose detector.
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