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Flexible and wearable sensor for in situ monitoring of gallic acid in plant leaves

文献类型： 外文期刊

作者： Liu, Ke 1 ; Luo, Bin 1 ; Zhang, Le 1 ; Hou, Peichen 1 ; Pan, Dayu 1 ; Liu, Tianyang 1 ; Zhao, Chunjiang 1 ; Li, Aixue 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Res Ctr Intelligent Equipment, Beijing 100097, Peoples R China

2.Shenyang Agr Univ, Coll Informat & Elect Engn, Shenyang 110866, Peoples R China

关键词： Gallic acid; Electrochemical biosensor; In situ; Mxene; Molybdenum disulfide; Flexible sensor

期刊名称：FOOD CHEMISTRY （ 影响因子：8.5； 五年影响因子：8.2 ）

ISSN： 0308-8146

年卷期： 2024 年 460 卷

页码：

收录情况： SCI

摘要： Gallic acid (GA) is one of the main phenolic components naturally occurring in many plants and foods and has been a subject of increasing interest owing to its antioxidant and anti-mutagenic properties. This study introduces a novel flexible sensor designed for in situ detecting GA in plant leaves. The sensor employs a laserinduced graphene (LIG) flexible electrode, enhanced with MXene and molybdenum disulfide (MoS2) nanosheets. The MXene/MoS2/LIG flexible sensor not only demonstrates exceptional mechanical properties, covering a wide detection range of 1-1000 mu M for GA, but also exhibits remarkable selectivity and stability. The asprepared sensor was successfully applied to in situ determination of GA content in strawberry leaves under salt stress. This innovative sensor opens an attractive avenue for in situ measurement of metabolites in plant bodies with flexible electronics.

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