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Iranian Journal of Chemistry and Chemical Engineering، جلد ۳۹، شماره ۲، صفحات ۱-۱۰
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عنوان انگلیسی Facile Synthesis and Electrochemical Performance of Graphene-Modified Cu2O Nanocomposite for Use in Enzyme-Free Glucose Biosensor
چکیده انگلیسی مقاله Graphene-modified Cu2O nanocomposite was synthesized under facile microwave irradiation of an aqueous solution and has been investigated as an enzyme-free glucose biosensor. Morphology and crystal structure of the graphene-modified Cu2O nanocomposite were investigated by using electron microscopy and X-Ray Diffraction (XRD) analyses. Also, the electrochemical performance of the graphene-modified Cu2O nanocomposite for the measurement of glucose concentration in alkaline media was evaluated by using cyclic voltammetry and chronoamperometric measurements. The electrochemical studies revealed that the graphene-modified nanocomposite electrode exhibited a high performance for non-enzymatic oxidation of glucose with a desirable sensitivity. Also, the fabricated graphene-modified biosensor exhibited a wide linear response for glucose detection in the concentrations ranges from 2 µM to 12 mM and a desirable detection limit of 2 µM. Also, the graphene-modified Cu2O nanocomposite provided an appropriate selective response for glucose detection in the presence of high concentrations of ascorbic acid and dopamine.
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نویسندگان مقاله Faranak Foroughi |
Department of Materials Science and Engineering, School of Engineering, Shiraz University, Shiraz 7134851154, I.R. IRAN

Mansour Rahsepar |
Department of Materials Science and Engineering, School of Engineering, Shiraz University, Shiraz 7134851154, I.R. IRAN

Mohammad Jafar Hadianfard |
Department of Materials Science and Engineering, School of Engineering, Shiraz University, Shiraz 7134851154, I.R. IRAN

Hasuck Kim |
Department of Chemistry, Seoul National University, Seoul, KOREA

نشانی اینترنتی http://www.ijcce.ac.ir/article_33683_f3c93f59ce12d0e7033ca5dcd59bfb9b.pdf
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