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Electrodeposition of ZnCo2O4 nanoparticles for biosensing applications

机译:用于生物传感应用的ZnCo2O4纳米粒子的电沉积

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We report the growth of ZnCo2O4 nanoparticles on indium tin oxide (ITO) coated glass substrates by a simple and highly reproducible electrodeposition method. The as-deposited ZnCo2O4 nanoparticles are characterized by various structural and microscopical tools for assessing their crystalline and morphological features. Electrochemical sensing properties of the as-prepared ZnCo2O4 nanoparticles towards glucose and dopamine are studied. ZnCo2O4 nanoparticles show linear response with respect to change in glucose concentration varying from 10 to 290 mM and possess an LOD value of 36.9 mu M and a sensitivity of 0.92 mu A mu M-1 cm(-2). In a similar way, ZnCo2O4 exhibits a linear response with respect to change in dopamine concentration varying from 5-100 mu M with an LOD value of 15.4 mu M and a sensitivity of 0.55 mu A mu M-1 cm(-2) respectively.
机译:我们报告了通过简单且高度可复制的电沉积方法在氧化铟锡(ITO)涂层的玻璃基板上生长ZnCo2O4纳米粒子。沉积后的ZnCo2O4纳米颗粒的特征在于各种结构和微观工具,用于评估其晶体和形态特征。研究了所制备的ZnCo2O4纳米粒子对葡萄糖和多巴胺的电化学感应特性。 ZnCo2O4纳米颗粒对葡萄糖浓度从10到290 mM的变化表现出线性响应,LOD值为36.9μM,灵敏度为0.92μAμM-1 cm(-2)。以类似的方式,ZnCo2O4对多巴胺浓度变化(从5-100μM变化)具有线性响应,LOD值为15.4μM,灵敏度为0.55μAμM-1cm(-2)。

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