Optical chemical sensor for oil-filled power transformer
Naples（2014）
摘要
Preliminary results of feasibility assessment of an optical Surface Plasmon Resonance (SPR) based sensor, exploiting a Plastic Optical Fiber (POF) platform, for an early and high sensitivity detection of chemical agents of interest are reported. In this investigation, a Molecularly Imprinted Polymer (MIP) has been used as an artificial receptor in connection with SPR transduction in POF for the selective detection of small molecules in oil-filled power transformer. The proposed device has been experimentally tested for the detection of furfural (furan-2-carbaldehyde), so that the MIP is specific for this substance. This particular kind of synthetic receptor has been used instead of the most usual bio-receptors, in view of the fact that the sample matrix here considered is the transformer oil. Actually, it is widely recognized that bio-receptors poorly perform in non aqueous media.
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关键词
biological techniques,chemical sensors,fibre optic sensors,optical polymers,organic compounds,surface plasmon resonance,transformer oil,mip,pof,spr based sensor,spr transduction,artificial receptor,bioreceptor,chemical agents detection,furan-2-carbaldehyde,furfural detection,molecularly imprinted polymer,nonaqueous media,oil filled power transformer,optical chemical sensor,plastic optical fiber,synthetic receptor,sensors,furfural,insulating oil of power transformers,optical fibers,maintenance engineering
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