纳米银修饰的超疏水界面用于农药的超灵敏检测

引用本文: 张楠, 郑龙珍, 熊乐艳, 郭赞如, 亢晓卫, 王倩, 吴子睿, 董泽民. 纳米银修饰的超疏水界面用于农药的超灵敏检测[J]. 分析化学, 2017, 45(2): 261-267. doi: 10.11895/j.issn.0253-3820.160221 shu

Citation: ZHANG Nan, ZHENG Long-Zhen, XIONG Lei-Yan, GUO Zan-Ru, KANG Xiao-Wei, WANG Qian, WU Zi-Rui, DONG Ze-Min. Construction of Nano Silver Modified Super Hydrophobic Interface for Detection of Trichlorfon Pesticides[J]. Chinese Journal of Analytical Chemistry, 2017, 45(2): 261-267. doi: 10.11895/j.issn.0253-3820.160221 shu

纳米银修饰的超疏水界面用于农药的超灵敏检测

张楠 ^1, ,
郑龙珍 ^1, ,
熊乐艳 ^1, ,
郭赞如 ^1, ,
亢晓卫 ^1, ,
王倩 ^1, ,
吴子睿 ^1, ,
董泽民 ^2,

1.
华东交通大学, 化学化工系, 南昌 330013;
2.
江西省兽药饲料监察所, 南昌 330029
基金项目:
本文系国家自然科学基金（Nos.21465011，51563009）和江西省主要学科学术和技术带头人计划（No.20133BCB22007）资助

摘要: 采用化学还原法，在具有不同微观结构的规整的不锈钢网和聚纤维素酯薄膜表面合成了银纳米颗粒。利用氟化试剂对复合界面进行处理，形成超疏水性能的界面，能有效地浓缩目标分子。以罗丹明6G（R 6G）为分析物，纳米银修饰聚纤维素酯薄膜为基底，采用表面增强拉曼散射（SERS）分析了氟化处理前后基底对目标分子的检测能力。实验结果表明，具有超疏水性能的复合基底对R 6G分子的检出限为1×10^-16 mol/L。以纳米银修饰的不锈钢网和聚纤维素酯两种复合材料为基底，对常用杀虫剂敌百虫的检出限分别为1×10^-15 mol/L和1×10^-16 mol/L。

关键词:

English

Construction of Nano Silver Modified Super Hydrophobic Interface for Detection of Trichlorfon Pesticides

1.
Department of Chemistry and Chemical Engineering, East China Jiaotong University, Nanchang, 330013 China;
2.
Jiangxi Province Institute of Veterinary Drug and Feed Control, Nanchang, 330029 China
Received Date: 22 June 2016
Revised Date: 01 December 2016
Fund Project:
This work was supported by the National Natural Science Foundation of China (Nos.21465011, 51563009)

Abstract: Super hydrophobic interface modified with silver nanoparticles was fabricated for the detection of pesticide residues. By using a chemical reduction method, silver nanoparticles were deposited on the substrate surfaces with different microscopic pore structures. Two kinds of composite substrates, including regular stainless steel mesh and cellulose polyester film, were used. The pre-treatment of the substrate with fluoridated reagents was used to form a super hydrophobic interface, which made the target molecules on the surface concentrate effectively. The surface with the cellulose polyester substrate was used to detect Rhodamine 6G (R 6G) effectively with surface enhanced Raman scattering (SERS) technique. The results showed that the detection limit was 10^-16 mol/L. In addition, the surfaces based on the stainless steel mesh and cellulose polyester substrate were used to detect trichlorfon pesticide with detection limits of 1×10^-15 mol/L and 1×10^-16 mol/L, respectively.

Key words:

Super hydrophobic interface
/ Ultrasensitive detection
/ Fluoridated treatment
/ Pesticide residue, Surface enhanced Raman scattering

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沈阳化工大学材料科学与工程学院沈阳 110142

纳米银修饰的超疏水界面用于农药的超灵敏检测

English

Construction of Nano Silver Modified Super Hydrophobic Interface for Detection of Trichlorfon Pesticides

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

纳米银修饰的超疏水界面用于农药的超灵敏检测

English

Construction of Nano Silver Modified Super Hydrophobic Interface for Detection of Trichlorfon Pesticides

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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