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Determination of glucose using a piezoelectric quartz crystal and the silver mirror reaction

The ‘silver mirror’ reaction is utilized to detect glucose with a piezoelectric quartz crystal. Silver produced in this reaction deposits on the surface of the quartz crystal electrode and forms an elastic film. Sauerbrey’s equation can be applied without the need to consider the effect of viscoelas...

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Bibliographic Details
Published in:Analytica chimica acta 2000-02, Vol.407 (1), p.17-21
Main Authors: Lau, Oi-Wah, Shao, Bing
Format: Article
Language:English
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Summary:The ‘silver mirror’ reaction is utilized to detect glucose with a piezoelectric quartz crystal. Silver produced in this reaction deposits on the surface of the quartz crystal electrode and forms an elastic film. Sauerbrey’s equation can be applied without the need to consider the effect of viscoelasticity. The properties of the solution were found to have little effect on the response signal. The deposited silver can easily be removed with dilute nitric acid. The quartz crystal can be used indefinitelywithout losing its sensitivity. This method can detect glucose with high sensitivity and good linearity in the range of 1–80 μg ml −1.
ISSN:0003-2670
1873-4324
DOI:10.1016/S0003-2670(99)00783-7