Electrochemical synthesis of mesoporous silica/graphene nanocomposite and its application in enhanced strategy for sensing of tannins
文献类型： 外文期刊
第一作者： Wang, Yanli
作者： Wang, Yanli;Liang, Jing;Yan, Feiyan;Li, Huiling;Xie, Liping;Tang, Li;Ning, Dejiao;Jiang, Cuiwen;Li, Tao;Huang, Xiaochuan;Ya, Yu;Huang, Ke-Jing
作者机构：
关键词： Graphene/mesoporous silica nanocomposites; One-step electrochemical synthesis; Tannins; Food analysis
期刊名称：JOURNAL OF FOOD COMPOSITION AND ANALYSIS （ 影响因子：4.6； 五年影响因子：4.6 ）
ISSN： 0889-1575
年卷期： 2025 年 140 卷
页码：
收录情况： SCI
摘要： In the present study, a novel mesoporous silica/nitrogen-doped graphene composite modified electrode (MS/ NGR/GCE) is prepared using an in-situ electrochemical method. The large specific surface area, excellent loading and electron transfer capabilities of the mesoporous silica/nitrogen-doped graphene composite make the modified electrode favored for electrochemical sensing. The sensing properties of different electrodes towards tannins are investigated, and the results show that MS/NGR/GCE exhibits much better sensing performance than individual graphene or mesoporous silica modified electrodes. Under optimal conditions, the linear range of MS/ NGR/GCE for determination of tannins is 0.10-5.0 mu mol/L and 5.0-80 mu mol/L, respectively, with a detection limit of 0.050 mu mol/L (S/N = 3). These results demonstrate that this study has opened up a new pathway for constructing high-performance nanocomposite electrochemical sensors.
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