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现代化工  2020, Vol. 40 Issue (2): 222-225    DOI: 10.16606/j.cnki.issn0253-4320.2020.02.047
  分析测试 本期目录 | 过刊浏览 | 高级检索 |
Au@Ag纳米三棱锥的制备及对塑化剂的快速检测
王欣如1, 张乐1, 葛子盼1, 王娟1, 汪倩倩1, 徐维平2
1. 安徽中医药大学药学院, 安徽 合肥 230038;
2. 中国科学技术大学附属第一医院(安徽省立医院), 安徽 合肥 230001
Preparation of Au@Ag nanopyramid and its application in fast detection of plasticizers
WANG Xin-ru1, ZHANG Le1, GE Zi-pan1, WANG Juan1, WANG Qian-qian1, XU Wei-ping2
1. College of Medicine, Anhui University of Chinese Medicine, Hefei 230038, China;
2. The First Affiliated Hospital, University of Science and Technology of China, Hefei 230001, China
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摘要 建立了一种快速便捷的检测手段实现塑化剂灵敏检测。以前期合成的金三角片为基础,在其表面包覆银壳层,形成金-银核-壳纳米结构后作为SERS(表面增强拉曼散射)活性基底,结晶紫作探针分子具有较好的灵敏度和重现性,BBP(邻苯二甲酸丁基苄酯)和DEHP(邻苯二甲酸二(2-乙基己基)酯)的检测灵敏性提高,检测限分别达到了10-9、10-7 mol/L,酒中BBP的检测限为1.3 mg/kg,Au@Ag纳米三棱锥作SERS基底为食品中的塑化剂检测提供了一种手段。
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王欣如
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王娟
汪倩倩
徐维平
关键词:  塑化剂  表面增强拉曼散射  Au@Ag纳米三棱锥    
Abstract: A fast and convenient approach is developed to achieve sensitive detection of plasticizers.Gold-silver core-shell structure is formed by coating silver shell layer on the surface of gold nanotriangle sheets that are previously synthesized,and used as the active substrate of surface-enhanced Raman scattering (SERS).It is demonstrated that the sensitivity and reproducibility of SERS active substrate is largely improved by using crystal violate as probe molecules.On the base of the SERS active substrate,the detection limits of butyl benzyl phthalate (BBP) and di(2-ethylhexyl) phthalate (DEHP) are improved,reaching 10-9 mol·L-1 and 10-7 mol·L-1,respectively.In addition,the detection limit of BBP spiked with wines achieves 1.3 mg·kg-1.As a result,Au@Ag nanopyramid as SERS-based substrate can provide a way to detect plasticizers existed in food and drinks.
Key words:  plasticizers    surface-enhanced Raman scattering    Au@Ag nanopyramid
收稿日期:  2019-04-15      修回日期:  2019-12-05           出版日期:  2020-02-20
R155  
基金资助: 国家自然科学基金面上项目(51672004);安徽省自然科学基金面上项目(1608085MH176);安徽省重点研究与开发面上攻关项目(1804h08020252)
通讯作者:  徐维平(1964-),男,博士,教授,研究方向为无机非金属类生物材料和药剂学、药理学,通讯联系人,xwp5606@163.com    E-mail:  xwp5606@163.com
作者简介:  王欣如(1993-),女,硕士生
引用本文:    
王欣如, 张乐, 葛子盼, 王娟, 汪倩倩, 徐维平. Au@Ag纳米三棱锥的制备及对塑化剂的快速检测[J]. 现代化工, 2020, 40(2): 222-225.
WANG Xin-ru, ZHANG Le, GE Zi-pan, WANG Juan, WANG Qian-qian, XU Wei-ping. Preparation of Au@Ag nanopyramid and its application in fast detection of plasticizers. Modern Chemical Industry, 2020, 40(2): 222-225.
链接本文:  
https://www.xdhg.com.cn/CN/10.16606/j.cnki.issn0253-4320.2020.02.047  或          https://www.xdhg.com.cn/CN/Y2020/V40/I2/222
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