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首页> 外文期刊>RSC Advances >A new sensing platform based on electrospun copper oxide/ionic liquid nanocomposite for selective determination of risperidone
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A new sensing platform based on electrospun copper oxide/ionic liquid nanocomposite for selective determination of risperidone

机译：基于静电纺丝氧化铜/离子液体纳米复合材料的新型传感平台，用于选择性测定利培酮

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A new synthetic method for the fabrication of copper oxide nanoparticles and its applications towards the electrochemical sensing of risperidone (Ris) are reported. The synthesized nanoparticles were characterized by different methods such as transmission electron microscopy (TEM), scanning electron microscopy (SEM) and energy dispersive X-ray analysis (EDX). The copper oxide nanoparticle/ionic liquid (CuO-NPs/IL) nanocomposite modified electrode exhibits excellent electrocatalytic activity towards the oxidation of Ris compared to a carbon paste electrode (CPE) and CuO-NP/CPE. The dependence of the oxidation peak current on the pH of the solution, amount of modifier, scan rate and concentration of the analyte was studied to optimize the experimental conditions. The detection limit of 0.016 mu M and two linear calibration ranges of 0.1-1 and 1-100 mu M were obtained for Ris determination at CuO-NP/IL/CPE. The proposed modified electrode was successfully applied for the determination of Ris in human blood serum samples without separation or pretreatment.
机译：报道了一种新的合成方法，用于制备氧化铜纳米颗粒及其在利培酮（Ris）的电化学传感中的应用。合成的纳米粒子通过不同的方法进行了表征，例如透射电子显微镜（TEM），扫描电子显微镜（SEM）和能量色散X射线分析（EDX）。与碳糊电极（CPE）和CuO-NP / CPE相比，氧化铜纳米粒子/离子液体（CuO-NPs / IL）纳米复合材料修饰电极对Ris的氧化表现出出色的电催化活性。研究了氧化峰值电流对溶液的pH，改性剂的量，扫描速率和分析物浓度的依赖性，以优化实验条件。在CuO-NP / IL / CPE上进行Ris测定时，获得了0.016μM的检出限和0.1-1和1-100μM的两个线性校正范围。提出的修饰电极无需分离或预处理即可成功地用于测定人血清样品中的Ris。

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