无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ
研究与开发

SERS基底Ag@Au的制备及其对氧氟沙星的检测

  • 程昊 ,
  • 徐娅娟 ,
  • 李利军 ,
  • 黄文艺 ,
  • 卢浩 ,
  • 冯军
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  • 1.广西科技大学生物与化学工程学院,广西糖资源绿色加工重点实验室,广西柳州 545006;
    2.蔗糖产业省部共建协同创新中心;
    3.广西科技大学医学院
程昊(1980— ),男,副研究员,主要研究方向为应用化学;E-mail:1340509975@qq.com。

收稿日期: 2019-11-19

  网络出版日期: 2020-05-21

基金资助

国家自然科学基金地区科学基金项目(31560466);广西高等学校高水平创新团队及卓越学者计划项目(桂教人[2014]7号);国家自然科学基金地区项目:功能化纳米复合材料hCEs SERS探针的构建及在血清与细胞中检测羧酸酯酶活性的应用研究(81860633);广西自然科学基金面上项目;微流控芯片-表面增强拉曼检测系统的构建及在单细胞分析中的应用(2016GXNSFAA380108);广西科技大学硕士研究生创新项目(GKYC201909)

Preparation of SERS substrate Ag@Au and its detection of ofloxacin

  • Hao Cheng ,
  • Yajuan Xu ,
  • Lijun Li ,
  • Wenyi Huang ,
  • Hao Lu ,
  • jun Feng
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  • 1.Guangxi Key Laboratory of Green Processing of Sugar Resources,College of Biological and Chemical Engineering,Guangxi University of Science and Technology,Liuzhou 545006,China;
    2.Province and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry;
    3.School of Medicine,Guangxi University of Science and Technology

Received date: 2019-11-19

  Online published: 2020-05-21

摘要

通过种子介导生长方法,合成了形貌、粒径均一,分散性良好的双金属Ag@Au纳米粒子,并将其作为表面增强拉曼散射(SERS)基底,对氧氟沙星(OFLX)进行检测。首先在最佳实验条件下对氧氟沙星主要拉曼峰进行归属,选取1 416 cm -1拉曼特征峰。其次,对其1 416 cm -1特征峰强度与氧氟沙星浓度作线性拟合,曲线方程为Y=291.48X+3 156.8,r=0.989,检测极限可达10 -10 mol/L。该方法操作简单,灵敏度高,重现性好,可为氧氟沙星类抗生素药物的SERS检测提供依据。

关键词: SERS; Ag@AuNPs; 氧氟沙星

本文引用格式

程昊 , 徐娅娟 , 李利军 , 黄文艺 , 卢浩 , 冯军 . SERS基底Ag@Au的制备及其对氧氟沙星的检测[J]. 无机盐工业, 2020 , 52(5) : 18 -21 . DOI: 10.11962/1006-4990.2019-0385

Abstract

A bimetallic Ag@Au nanoparticle with uniform morphology,uniform particle size and good dispersibility was syn-thesized by seed-mediated growth method and used as a surface-enhanced Raman scattering(SERS) substrate for ofloxacin (OFLX) testing.Firstly,the main Raman peak of ofloxacin was assigned under the optimal experimental conditions,and the 1 416 cm -1 Raman characteristic peak was selected.Secondly,the characteristic peak intensity of 1 416 cm -1 was linearly fit-ted with the concentration of ofloxacin.The curve equation was Y=291.48X+3 156.8,r=0.989,and the detection limit reached 10 -10 mol/L.The method is simple in operation,high in sensitivity and good in reproducibility,and can provide a basis for SERS detection of ofloxacin antibiotic drugs.

Key words: SERS; Ag@AuNPs; ofloxacin

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