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<p>A nonenzymatic glucose electrochemical sensor is constructed using a ZnSr-MOF derived SrZnO<sub>2</sub>/C via one step solvothermal method. The fabricated material is characterized via different analytical techniques. Thus, developing an accurate, cost-effective, reliable, and stable glucose sensor is a significant but poses challenges at ultra-low levels. This study addresses glucose detection via a novel bi-metallic ZnSr-MOF derived SrZnO<sub>2</sub>/C based electrode material for electrochemical glucose sensing. The electrochemical properties of the current sensor were evaluated using chronoamperometry, electrochemical impedance spectroscopy (EIS), differential pulse voltammetry (DPV), and cyclic voltammetry (CV). The ZnSr-MOF derived SrZnO<sub>2</sub>/C shows increased current response, and accelerated electron transfer by providing excellent stability, a large electroactive surface area, and electrolyte diffusion. The ZnSr-MOF derived SrZnO<sub>2</sub>/C attained a wide linear range (0.02–0.12 μM), having a limit of detection limit (LOD) of 0.125 μM (S/N = 3.3) with high sensitivity. This work suggests a workable design for a new electrochemical sensing platform that blends biomolecules with bimetallic MOFs.</p> Graphical Abstract <p></p>

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Facile synthesis of a novel ZnSr-MOF derived SrZnO2/C electrode for enhanced non-enzymatic electrochemical sensing of glucose

  • 期刊论文

  • 发表日期：

    2025年6月30日

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  • Zubaida Fareed,
  • Abdul Rasheed Rashid,
  • Kareem Yusuf,
  • Mushtaq Hussain Lashari,
  • Mehar Un Nisa

摘要

A nonenzymatic glucose electrochemical sensor is constructed using a ZnSr-MOF derived SrZnO2/C via one step solvothermal method. The fabricated material is characterized via different analytical techniques. Thus, developing an accurate, cost-effective, reliable, and stable glucose sensor is a significant but poses challenges at ultra-low levels. This study addresses glucose detection via a novel bi-metallic ZnSr-MOF derived SrZnO2/C based electrode material for electrochemical glucose sensing. The electrochemical properties of the current sensor were evaluated using chronoamperometry, electrochemical impedance spectroscopy (EIS), differential pulse voltammetry (DPV), and cyclic voltammetry (CV). The ZnSr-MOF derived SrZnO2/C shows increased current response, and accelerated electron transfer by providing excellent stability, a large electroactive surface area, and electrolyte diffusion. The ZnSr-MOF derived SrZnO2/C attained a wide linear range (0.02–0.12 μM), having a limit of detection limit (LOD) of 0.125 μM (S/N = 3.3) with high sensitivity. This work suggests a workable design for a new electrochemical sensing platform that blends biomolecules with bimetallic MOFs.

Graphical Abstract