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作 者:闫欣雨 张金专 金静 王鑫宇 YAN Xin-Yu;ZHANG Jin-Zhuan;JIN Jing;WANG Xin-Yu(The Graduate School,China People's Police University,Langfang 065000,China;School of Criminal Investigation,China People's Police University,Langfang 065000,China)
机构地区:[1]中国人民警察大学研究生院,河北廊坊065000 [2]中国人民警察大学侦查学院,河北廊坊065000
出 处:《化学教育(中英文)》2023年第20期7-14,共8页Chinese Journal of Chemical Education
基 金:公安部公安理论及软科学研究计划项目(2021LL47)。
摘 要:血液痕迹是犯罪现场最重要的物证之一,既具生物学特性,又具有痕迹学特性,可以为案件侦查提供重要线索和有力证据。涉火案件现场的血痕受高温、水渍及烟尘覆盖等多种因素的影响,具有高度破坏性和复杂性。重点介绍了血痕预试验常用试剂,综述了国内外近年来血痕预试验试剂应用于显现火场环境中血痕的研究情况,以及可增强预试验试剂的发光强度及显色效果的烟尘去除技术。希望能为涉火案件的实际勘查工作及相关研究提供一定的参考,并为分析化学学科教育提出一种新方向。Blood trace is one of the most important physical evidence at the crime scene,which has both biological and trace ological characteristics,and can provide important clues and powerful evidence for case investigation.The bloodstains at the scene of fire-related cases are affected by various factors such as high temperature,water stains,and soot coverage,and are highly destructive and complex.This article focuses on the bloodstain presumptive test reagents and reviews the research on applying these reagents to visualize bloodstains in fire scene environments.It also explores the luminescence intensity of the enhancement of presumptive test reagents and the soot removal technologies of color visualization.It is hoped that it can provide a certain reference for the crime scene investigation and related research of fire-related cases,and put forward a new direction for the education of analytical chemistry.
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