Facile synthesis of Au@Ag core-shell nanorod with bimetallic synergistic effect for SERS detection of thiabendazole in fruit juice

被引：60
|
作者：
Chen, Zhiyang [1 ,2 ,3 ,4 ]
Sun, Yue [1 ,2 ]
Shi, Jiyong [1 ,2 ]
Zhang, Wen [1 ,2 ]
Zhang, Xinai [1 ,2 ]
Huang, Xiaowei [1 ,2 ]
Zou, Xiaobo [1 ,2 ]
Li, Zhihua [1 ,2 ]
Wei, Ruicheng [1 ,3 ,4 ]
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
来源：
FOOD CHEMISTRY | 2022年 / 370卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
SERS; Au@Ag core-shell nanorods; Thiabendazole; Fruit juice; Synergistic enhancement; ENHANCED RAMAN-SPECTROSCOPY; GOLD NANOPARTICLES; SENSITIVE DETECTION; RAPID DETECTION; SURFACE; FABRICATION; SCATTERING; PESTICIDES; RESIDUES; MELAMINE;
D O I：
10.1016/j.foodchem.2021.131276
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
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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收藏
页数：8
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