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张庆文,鲍涵,赵凤琴,包思邈,韦天新,张鹏,崔和.Surface plasmon resonance sensor based on molecularly imprinted films for the detection of pentaerythritol tetranitrate (PETN)[J].Journal of Beijing Institute of Technology ,2014,23(1):126~130 本文二维码信息
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Surface plasmon resonance sensor based on molecularly imprinted films for the detection of pentaerythritol tetranitrate (PETN)
Surface plasmon resonance sensor based on molecularly imprinted films for the detection of pentaerythritol tetranitrate (PETN)
投稿时间:2012-11-04  
DOI:
中文关键词:  surface plasmon resonance (SPR)  molecularly imprinted films (MIFs)  pentaerythritol tetranitrate (PETN)
English Keywords:surface plasmon resonance (SPR)  molecularly imprinted films (MIFs)  pentaerythritol tetranitrate (PETN)
基金项目:Supported by the National Natural Science Foundation of China (20771015); the 111 Project of Higher Education of China (B07012)
作者单位E-mail
张庆文 Key Laboratory of Cluster Science of Ministry of Education, Beijing Institute of Technology, Beijing 100081, China  
鲍涵 Key Laboratory of Cluster Science of Ministry of Education, Beijing Institute of Technology, Beijing 100081, China  
赵凤琴 Key Laboratory of Cluster Science of Ministry of Education, Beijing Institute of Technology, Beijing 100081, China  
包思邈 Key Laboratory of Cluster Science of Ministry of Education, Beijing Institute of Technology, Beijing 100081, China  
韦天新 Key Laboratory of Cluster Science of Ministry of Education, Beijing Institute of Technology, Beijing 100081, China txwei@bit.edu.cn 
张鹏 China Naval Academy of Armament, Beijing 100073, China  
崔和 China Ship Research Development Academy, Beijing 100085, China  
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中文摘要:
      A novel surface plasmon resonance (SPR) sensor based on molecularly imprinted films (MIFs) was developed for the detection of pentaerythritol tetranitrate (PETN). In this work, the thin MIFs were formed on a gold sensor chip through thermal co-polymerization of functional monomers (methacrylic acid, MAA) and crosslinking monomers (ethylene glycol dimethacrylate, EGDMA) in the presence of template molecules PETN. The template molecules PETN were subsequently removed from the MIFs simply by rinsing the MIFs with a mixture of acetonitrile and acetic acid 9:1 (v/v), thus the recognition sites were formed for specific detection of PETN. According to the mass coverage equation, the surface coverage of removed PETN from MIFs was about 10.8 ng/mm2. The developed SPR sensor allowed for the detection of PETN at concentration down to 10-10 mol/L. A control experiment utilizing an analogue cyclotrimethylenetrinitramine (RDX) showed MIFs' good selectivity to PETN.
English Summary:
      A novel surface plasmon resonance (SPR) sensor based on molecularly imprinted films (MIFs) was developed for the detection of pentaerythritol tetranitrate (PETN). In this work, the thin MIFs were formed on a gold sensor chip through thermal co-polymerization of functional monomers (methacrylic acid, MAA) and crosslinking monomers (ethylene glycol dimethacrylate, EGDMA) in the presence of template molecules PETN. The template molecules PETN were subsequently removed from the MIFs simply by rinsing the MIFs with a mixture of acetonitrile and acetic acid 9:1 (v/v), thus the recognition sites were formed for specific detection of PETN. According to the mass coverage equation, the surface coverage of removed PETN from MIFs was about 10.8 ng/mm2. The developed SPR sensor allowed for the detection of PETN at concentration down to 10-10 mol/L. A control experiment utilizing an analogue cyclotrimethylenetrinitramine (RDX) showed MIFs' good selectivity to PETN.
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