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  • Title: 3D porous metal-organic framework as an efficient electrocatalyst for nonenzymatic sensing application.
    Author: Zhang D, Zhang J, Zhang R, Shi H, Guo Y, Guo X, Li S, Yuan B.
    Journal: Talanta; 2015 Nov 01; 144():1176-81. PubMed ID: 26452944.
    Abstract:
    Novel electroactive materials with high surface area and stability have great potential for electrochemical sensor. Herein, we demonstrate the exploitation of a porous Cu-based metal-organic framework (Cu-MOF) with large pore size as nonenzymatic sensors for the electrochemical determination of hydrogen peroxide (H2O2) and glucose. The Cu-MOF shows high stability even in NaOH solution. The as-prepared Cu-MOF modified carbon paste electrode (CPE) presents a well-behaved redox event from electroactive metal centers in the MOF at the physiological pH which can be utilized to catalyze the electroreduction of H2O2. It also exhibited excellent electrocatalytic activity towards the oxidation of glucose in alkaline solution. The results showed that the nonenzymatic sensors based on the Cu-MOF display excellent analytical performances, which make it a promising candidate in electrochemical sensor.
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