Facile synthesis of Au@Ag core-shell nanorod with bimetallic synergistic effect for SERS detection of thiabendazole in fruit juice
文献类型： 外文期刊
作者： Chen, Zhiyang 1 ; Sun, Yue 1 ; Shi, Jiyong 1 ; Zhang, Wen 1 ; Zhang, Xinai 1 ; Huang, Xiaowei 1 ; Zou, Xiaobo 1 ; Li, Zhihua 1 ; Wei, Ruicheng 1 ;
作者机构： 1.Sch Food & Biol Engn, Agr Prod Proc & Storage Lab, Zhenjiang 212013, Jiangsu, Peoples R China
2.Jiangsu Univ, China UK Joint Lab Nondestruct Detect Agroprod, Zhenjiang 212013, Jiangsu, Peoples R China
3.Jiangsu Acad Agr Sci, Minist Sci & Technol, Jiangsu Key Lab Food Qual, Nanjing 210014, Peoples R China
4.Jiangsu Acad Agr Sci, Minist Sci & Technol, Safety State Key Lab Cultivat Base, Nanjing 210014, Peoples R China
关键词： SERS; Au@Ag core-shell nanorods; Thiabendazole; Fruit juice; Synergistic enhancement
期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）
ISSN： 0308-8146
年卷期： 2022 年 370 卷
页码：
收录情况： SCI
摘要： This study presented an effective and sensitive SERS substrate for rapid detection of thiabendazole (TBZ) in fruit samples. A core-shell gold/silver nanorod (Au@Ag NRs) has been synthesized as a bimetallic SERS-active substrate. The obtained substrate showed an excellent SERS effect because of the tunable plasmon resonance of Au NRs, the significantly enhanced effect of silver, and the bimetallic synergistic effect of Au@Ag NRs. Under optimal conditions, the substrate was used to detect TBZ in fresh apple juice and peach juice with limits of detection of 0.032 and 0.034 ppm respectively. In addition, the recovery rate was within a satisfactory range of 95-101%, indicating that the Au@Ag NRs substrate could be a SERS detection platform for fruit pesticides residues with great development potential.
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