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A Novel Sensing System for Glucose in a Solution Based on Cataluminescence
Masahiro OZAKI Tohru OKABAYASHI Teppei ISHIMARU Nobuhiko YAMASHITA Masuo NAKAGAWA
IEICE TRANSACTIONS on Electronics
Publication Date: 2006/12/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Towards the Realization of Organic Molecular Electronics)
Category: Bioelectronics and Sensors
glucose, cataluminescence, chemiluminescence, mist, ultrasonic,
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A novel sensing system for glucose in aqueous solution based on cataluminescence(CTL) is proposed. CTL is a kind of chemiluminescence emitted in a course of catalytic oxidation of combustible substances. A sensing system consisting of a CTL-based chemical-sensor made of the γ-Al2O3 catalyst activated with Tb and an ultrasonic nebulizer is developed. CTL is emitted by injection of air containing mist of a glucose solution prepared by the nebulizer on the catalyst. The CTL intensity measured by a photomultiplier is reproducible for the repeated injection of the mist, and the system can measure glucose concentration in a range of 1-200 mg/dl.