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A fungus-derived biomass porous carbon–MnO2 nanocomposite-modified electrode for the voltammetric determination of rutin

机译:真菌衍生的生物质多孔碳-mNO2纳米复合材料改性电极,用于伏特汀的伏安测定

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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 _(2) @FBPC composite by a hydrothermal method. The MnO _(2) @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 via 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 ~(?1) with the detection limit of 2.67 nmol L ~(?1) (3 σ ). This MnO _(2) @FBPC/CILE was applied to directly detect the rutin concentration in drug and human urine samples with satisfactory results.
机译:在这项研究中,我们设计了一种用于合成真菌衍生的生物质多孔碳(FBPC)的简单方法,该碳(FBPC)进一步通过水热法制备MnO _(2)+ @FBPC复合材料。 MnO _(2)@FBPC纳米复合材料显示多孔结构,大的比表面积和高导电性,并在碳离子液体电极(Cile)上进行改性,得到用于敏感伏安法测定芦丁的工作电极。通过计算电化学参数的循环伏安法研究了Rutin的电化学响应。在最佳条件下,通过差分脉冲伏安法从0.008至700.0μmol1〜(α1)的差分脉冲伏安法获得的线性范围,检出限为2.67 nmol L〜(α1)(3σ)。该MNO _(2)@ FBPC / CIle应用于直接检测药物和人类尿液中的芦丁浓度,结果令人满意。

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