Fiber-optic hydrogen peroxide nanosensor

A fiber-optic sensor sensitive to hydrogen peroxide has been designed based on the electrostatic layer-by-layer self-assembly method. Meldola's blue and a catalyst hemin have been deposited in a polymeric structure formed by PAH+ and PAA/sup -/. The concentrations that can be detected range at...

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Bibliographic Details
Published in:IEEE sensors journal 2005-06, Vol.5 (3), p.365-371
Main Authors: Del Villar, I., Matias, I.R., Arregui, F.J., Claus, R.O.
Format: Article
Language:English
Subjects:
Biochemistry
Coupled-mode analysis
Electrostatic analysis
Electrostatic self-assembly
hydrogen peroxide
Optical fiber devices
optical fiber sensor
Optical fiber sensors
Optical fibers
Optical materials
Pharmaceuticals
Polymers
Refractive index
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Description
Summary:A fiber-optic sensor sensitive to hydrogen peroxide has been designed based on the electrostatic layer-by-layer self-assembly method. Meldola's blue and a catalyst hemin have been deposited in a polymeric structure formed by PAH+ and PAA/sup -/. The concentrations that can be detected range at least between 10/sup -7/ and 10/sup -1/ M, and recovery of the sensor after introduction in a reductive agent has been proved successfully. Some rules for estimation of the refractive index of the material deposited and the thickness of bilayers are also given.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2005.846182