A novel photoelectrochemical sensor based on tailoring printable mesoscopic chip for fast and real-time phospholipids oxidation detection

文献类型： 外文期刊

第一作者： Li, Pei

作者： Li, Pei;Zhang, Muhan;Sun, Chong;Wang, Daoying;Xu, Weimin;Zou, Ye;Ma, Jingjing;Zhu, Yongzhi;Li, Pei;Xu, Weimin;Wang, Daoying

作者机构：

关键词： Phospholipids oxidation; Printable mesoscopic chip; Nondestructive; Real-time; Detection

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2020 年 314 卷

页码：

收录情况： SCI

摘要： The detection of phospholipids oxidation is important for meat control and disease prevention. In this paper, a photoelectrochemical sensor based on printable mesoscopic chip (PMC) for fast and real-time monitoring phospholipids oxidation was designed and fabricated. TiO2, ZrO2 and carbon films of PMC were screen-printed onto the FTO glass layer by layer. The PMC and the feasibility for determination of phospholipids oxidation were investigated by scanning electron microscope (SEM), UV-vis spectroscopy, cyclic voltammograms (CVs) and electrochemical impedance spectroscopy (EIS), etc. The short circuit current (J(sc)) was used as a signal current, which would decrease if phospholipids in PMC were undergoing oxidation for the change of electrical properties. Compared with other methods, phospholipids in PMC did not require pretreatment, and the process was non-destructive and real-time. Meanwhile, this method showed high sensitivity and good selectivity. The fabricating process of PMC is simple, and the costs are low, relatively.

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