期刊
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
卷 63, 期 -, 页码 39-45出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jtice.2016.03.013
关键词
Ag nanoparticles (AgNPs) decorated anchored type ligands; Glucose oxidation; Electrocatalysis; Voltammetry
资金
- Isfahan University of Technology (IUT) Research Council and Center of Excellence in Sensor and Green Chemistry
This paper presents new two electrochemical sensors based on Ag nanoparticles (AgNPs) decorated anchored type ligands, those were prepared based on synthesizing of two amine compounds bounded to silica support, to detect glucose. These compounds were characterized using transmission electron microscopy (TEM) and Fourier transform infrared (FT-IR) spectroscopy. TEM monitored AgNPs around 10 nm in size. These electrocatalytic properties of the modified carbon paste electrodes (CPEs) were investigated by electrochemical techniques including cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and hydrodynamic amperometry. According to amperometric studies, the better glucose sensor represented the detection range of 28.6 mu mol/L to 9.80 mmol/L glucose, with detection limit of 5.5 mu mol/L and sensitivity of 540.7 mu A/mM. In this work, three human blood serums were employed as real samples with satisfactory results. (c) 2016 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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