一种用于伏安法测定芦丁的真菌衍生生物质多孔碳-二氧化锰纳米复合修饰电极。

A fungus-derived biomass porous carbon-MnO nanocomposite-modified electrode for the voltammetric determination of rutin.

作者信息

Cheng Hui, Liu Juan, Sun Yunxiu, Zhou Ting, Yang Qiuyue, Zhang Shuyao, Zhang Xiaoping, Li Guangjiu, Sun Wei

机构信息

Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University Haikou 571158 P. R. China

Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science of Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology Qingdao 266042 P. R. China

出版信息

RSC Adv. 2020 Nov 20;10(69):42340-42348. doi: 10.1039/d0ra05739h. eCollection 2020 Nov 17.

In this study, we designed a simple procedure for the synthesis of fungus-derived biomass porous carbon (FBPC), which was further used to prepare a MnO@FBPC composite by a hydrothermal method. The MnO@FBPC nanocomposite showed a porous structure, large specific surface area, and high conductivity, and was modified on the carbon ionic liquid electrode (CILE) to obtain a working electrode for the sensitive voltammetric determination of rutin. The electrochemical response of rutin was studied cyclic voltammetry with electrochemical parameters calculated. Under the optimal conditions, the linear range for the rutin analysis was obtained by the differential pulse voltammetry from 0.008 to 700.0 μmol L with the detection limit of 2.67 nmol L (3). This MnO@FBPC/CILE was applied to directly detect the rutin concentration in drug and human urine samples with satisfactory results.

在本研究中，我们设计了一种简单的合成真菌衍生生物质多孔碳（FBPC）的方法，该方法进一步用于通过水热法制备MnO@FBPC复合材料。MnO@FBPC纳米复合材料具有多孔结构、大比表面积和高导电性，并在碳离子液体电极（CILE）上进行修饰，以获得用于灵敏伏安法测定芦丁的工作电极。采用循环伏安法研究了芦丁的电化学响应并计算了电化学参数。在最佳条件下，通过差分脉冲伏安法获得芦丁分析的线性范围为0.008至700.0 μmol L，检测限为2.67 nmol L（3）。这种MnO@FBPC/CILE被应用于直接检测药物和人体尿液样品中的芦丁浓度，结果令人满意。