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30 April 1993 Fiber optic sensor based on microencapsulated reagents
Venetka I. Agayn, David R. Walt
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Proceedings Volume 1796, Chemical, Biochemical, and Environmental Fiber Sensors IV; (1993) https://doi.org/10.1117/12.143500
Event: Fibers '92, 1992, Boston, MA, United States
Abstract
The use of irreversible indicating chemistries necessitates a constant supply of reagent to the sensor's tip. In previous work we demonstrated the delivery of reagents incorporated in an ethylene-vinyl acetate copolymer matrix. In this paper we show how a degradable polymer, poly(lactide-glycolide), can be used for sensor preparation. The use of this polymer as a matrix entrapping reagent(s) is described for two different configurations. Sensors are prepared using either composites of dispersed HPTS(1-hydroxy-pyrene-3,6,8-trisulfonate) in polymer layers or microparticles incorporating dyes.
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Venetka I. Agayn and David R. Walt "Fiber optic sensor based on microencapsulated reagents", Proc. SPIE 1796, Chemical, Biochemical, and Environmental Fiber Sensors IV, (30 April 1993); https://doi.org/10.1117/12.143500
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KEYWORDS
Polymers
Sensors
Fiber optics sensors
Polymeric sensors
Chemistry
Composites
Optical fibers
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