Keywords
glucose
glucose oxidase
hydrogen peroxide
polymethacrylate matrix
silver nanoparticles.
Abstract
We suggest Ag0 nanoparticles immobilized into transparent polymethacrylate matrix (PMM-Ag0) as a simple colorimetric sensor for determination of glucose. We demonstrate the capabilities of a smartphone to process the images and further analyze the information obtained by determination of glucose using PMM-Ag0 sensor. The method can be employed for glucose concentrations of 0.1-4.3 mmol dm−3, while its detection limit is 0.05 mmol dm−3.
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