基于表面等离子体共振原理的传感技术在物证检验中的应用  

Application of Surface Plasmon Resonance Sensing Methodologies in Evidence Analysis

作　　者：王霄 崔勐 陈彭波 刘艳[1] 曹艳萍[1] 郝红霞 WANG Xiao;CUI Meng;CHEN Pengbo;LIU Yan;CAO Yanping;HAO Hongxia(Institute of Public Security,Northwest University of Political Science and Law,Xi’an,710122,China;Xi’an Public Security Bureau,Xi’an 710038,China;2011-Planned Collaborative Innovation Center of Judicial Civilization,Beijing 100088,China;Ministry of Education’s Key Laboratory of Evidence Science,Affi liated with China University of Political Science and Law,Beijing 100088,China)

机构地区：[1]西北政法大学公安学院,西安710122 [2]陕西省西安市公安局刑侦局技术处,西安710038 [3]2011计划司法文明协同创新中心,北京100088 [4]证据科学教育部重点实验室〔中国政法大学〕,北京100088

出　　处：《刑事技术》2019年第6期524-529,共6页Forensic Science and Technology

基　　金：中国政法大学青年教师学术创新团队资助项目（No.18CXTD09）;中国政法大学省部级合作项目（No.2011-23317015);国家自然科学基金项目（No.81871523）

摘　　要：表面等离子体共振(surface plasmon resonance,SPR)是一种物理光学现象。基于表面等离子体共振原理发展的各种分析检测方法具有响应快、免标记、灵敏度高等诸多特点,可在天然条件下实现无损原位、实时动态的测量,已被广泛应用于物理、化学、生物学、医学、法庭科学等领域。本文简要介绍了表面等离子体共振原理及基于该原理所衍生出的不同分析方法,对其在物证检验中的重要应用进行了综述,并对目前存在的关键问题加以分析,同时指出了该技术应用于实际办案可能的发展方向。Surface plasmon resonance(SPR)is an optical phenomenon of physics.The SPR-based detection methodologies play an important role of efficient tools in forensic analysis thanks to their well-known advantages of sensitivity,selectivity,easy functioning,rapid detection,affordability and capability of miniaturization and automation.With the merit of non-destructive,in-situ,real-time and dynamic measurement in natural conditions,the relevant technology has been widely used into biology,medicine,chemistry and forensic science.Numerous reporting applications of SPR can be found about forensic researches in the most qualified journals of analytical chemistry/biochemistry,angewandte chemie,analytica chimica acta,biosensors and bioelectronics among others.This article reviews the most widespread SPR-based sensing methodologies and their applications for evidence analysis,enumerating with elucidation into the SPR sensors of SPR/SPRi,fi ber optic and the localized.The advantages and existing problems of SPR in evidence analysis have also been discussed although significant improvements have been achieved in recent years by the combination of SPR with mass spectrometry(MS)that pushed their wider usage into complex forensic analysis and real cases.

关 键 词：表面等离子体共振 传感 物证检验 

分 类 号：DF794[政治法律—诉讼法学]