Nebras Sobahi, Mohd Imran, Mohammad Ehtisham Khan, Akbar Mohammad, Md Mottahir Alam, Taeho Yoon, Ibrahim M Mehedi, Mohammad A Hussain, Mohammed J Abdulaal, Ahmad A Jiman
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引用次数: 8
摘要
在本研究中，将CuO纳米颗粒嵌入n掺杂碳纳米结构中，开发了一种高选择性和高灵敏度的多巴胺检测电化学传感平台(CuO@NDC)。成功制备的纳米结构通过标准仪器技术进行了表征。制备的CuO@NDC纳米结构用于多巴胺电化学传感器的研制。多巴胺在电极表面的反应机理是三电子三质子过程。该传感器的性能优于最近报道的几项研究。在优化条件下，差分脉冲伏安法检测多巴胺的线性方程为I pa (μA) = 0.07701 c (μM) - 0.1232 (r2 = 0.996)，线性范围为5 ~ 75 μM。检测限(LOD)为0.868 μM，灵敏度为421.1 μA/μM。该传感器制备简单，成本低，灵敏度高，稳定性好，重现性好。
Facile Fabrication of CuO Nanoparticles Embedded in N-Doped Carbon Nanostructure for Electrochemical Sensing of Dopamine.
In the present study, a highly selective and sensitive electrochemical sensing platform for the detection of dopamine was developed with CuO nanoparticles embedded in N-doped carbon nanostructure (CuO@NDC). The successfully fabricated nanostructures were characterized by standard instrumentation techniques. The fabricated CuO@NDC nanostructures were used for the development of dopamine electrochemical sensor. The reaction mechanism of a dopamine on the electrode surface is a three-electron three-proton process. The proposed sensor's performance was shown to be superior to several recently reported investigations. Under optimized conditions, the linear equation for detecting dopamine by differential pulse voltammetry is Ipa (μA) = 0.07701 c (μM) - 0.1232 (R2 = 0.996), and the linear range is 5-75 μM. The limit of detection (LOD) and sensitivity were calculated as 0.868 μM and 421.1 μA/μM, respectively. The sensor has simple preparation, low cost, high sensitivity, good stability, and good reproducibility.
期刊介绍：
ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.
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