金纳米三角片滤纸基底膜的制备及对食品污染物的快速检测

引用本文: 王娟, 周亚茹, 汪倩倩, 李曼, 栾龙龙, 张祥, 徐维平. 金纳米三角片滤纸基底膜的制备及对食品污染物的快速检测[J]. 分析化学, 2020, 48(12): 1625-1632. doi: 10.19756/j.issn.0253-3820.201445 shu

Citation: WANG Juan, ZHOU Ya-Ru, WANG Qian-Qian, LI Man, LUAN Long-Long, ZHANG Xiang, XU Wei-Ping. Preparation of Base Membrane of Gold Nanotriangle Filter Paper and Its Application in Rapid Detection of Food Contaminants[J]. Chinese Journal of Analytical Chemistry, 2020, 48(12): 1625-1632. doi: 10.19756/j.issn.0253-3820.201445 shu

金纳米三角片滤纸基底膜的制备及对食品污染物的快速检测

王娟 ^1, ,
周亚茹 ^2, ,
汪倩倩 ^1, ,
李曼 ^3, ,
栾龙龙 ^2, ,
张祥 ^3, ,
徐维平 ^{1,4,
,}

1.
安徽中医药大学药学院, 合肥 230012;
2.
合肥工业大学化学与化工学院, 合肥 230009;
3.
中国科学技术大学生命科学与医学部, 合肥 230026;
4.
中国科学技术大学附属第一医院, 合肥 230001

通讯作者: 徐维平, weipingx@ustc.edu.cn

基金项目:
本文系国家自然科学基金项目（No.51672004）、安徽省自然科学基金项目（No.1608085MH176）和安徽省科技攻关项目（No.1804h08020252）资助

摘要: 利用滤纸的毛细管效应结合表面增强拉曼光谱（SERS）技术的快速检测功能，制备了SERS多功能基底感应卡。首先将合成的金纳米三角片利用液-液界面自组装法制备大面积致密的纳米膜，然后将其转移至滤纸表面作为SERS基底膜。以结晶紫（CV）作为拉曼探针分子，此基底膜具有较好的SERS灵敏度和重复性。利用此基底膜检测了白酒中的塑化剂邻苯二甲酸卞酯（BBP）、果皮表面的噻苯咪唑（TBZ）和鱼类表面的抗生素孔雀石绿（MG）。结果表明，此基底膜对BBP、TBZ和MG的检测浓度可低至1×10^-8 mol/L，检测速度快、灵敏度高、操作便捷，具有良好的SERS分析潜力。

关键词:

English

Preparation of Base Membrane of Gold Nanotriangle Filter Paper and Its Application in Rapid Detection of Food Contaminants

1.
College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China;
2.
College of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China;
3.
Department of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China;
4.
The First Affiliated Hospital of University of Science and Technology of China, Hefei 230001, China

Corresponding author: XU Wei-Ping, weipingx@ustc.edu.cn

Received Date: 29 July 2020
Revised Date: 30 September 2020
Fund Project:
This work was supported by the National Natural Science Foundation of China (No. 51672004), the Natural Science Foundation of Anhui Province, China (No. 1608085MH176), and the Project of Science and Technology of Auhui Province, China (No.1804h08020252).

Abstract: Food safety is closely related with human life and health, therefore, it is particularly necessary to establish a fast, sensitive, simple and convenient testing means for food contaminants. Surface-enhanced Raman spectroscopy (SERS) has the characteristics of quickness, convenience and high sensitivity for the field detection and analysis of food contaminants. In this work, the capillary effect of filter paper combined with the quick detection function of SERS technology was used to prepare SERS multi-functional base sensor cards. Firstly, a large area of dense nano membrane was prepared by using the self-assembly method of liquid-liquid interface with the synthesized gold nanotriangle, which was transferred to the surface of filter paper as SERS base membrane. Crystal violet (CV) was used as the Raman probe molecule to investigate SERS sensitivity and repeatability of the substrate membrane, and the plasticizer benzyl butyl phthalate (BBP) in liquor, thiabendazole (TBZ) on the peel surface and antibiotic malachite green (MG) on the fish surface were also detected. The results showed that the concentration of BBP, TBZ and MG could be detected at 1×10^-8 mol/L. This kind of SERS substrate membrane showed a fast detection speed, high sensitivity, convenient operation, and a great potential for SERS analysis.

Key words:

Au nanotriangle
/ Liquid-liquid interfacial self-assembly
/ Filter paper substrate
/ Surface-enhanced Raman spectroscopy
/ Food contaminants

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

金纳米三角片滤纸基底膜的制备及对食品污染物的快速检测

通讯作者: 徐维平, weipingx@ustc.edu.cn

English

Preparation of Base Membrane of Gold Nanotriangle Filter Paper and Its Application in Rapid Detection of Food Contaminants

Corresponding author: XU Wei-Ping, weipingx@ustc.edu.cn

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

金纳米三角片滤纸基底膜的制备及对食品污染物的快速检测

通讯作者: 徐维平, weipingx@ustc.edu.cn

English

Preparation of Base Membrane of Gold Nanotriangle Filter Paper and Its Application in Rapid Detection of Food Contaminants

Corresponding author: XU Wei-Ping, weipingx@ustc.edu.cn

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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