Synthesis of Amphiphilic Silica Nanoparticles for Latent Fingerprint Detection

被引:47
作者
Huang, Wei [1 ]
Li, Xiaojun [1 ]
Wang, Hongfei [2 ]
Xu, Xiaojing [1 ]
Liu, Huan [1 ]
Wang, Guiqiang [1 ]
机构
[1] Minist Publ Secur, Inst Forens Sci, Dept Video Detect Technol, Beijing, Peoples R China
[2] Chinese Peoples Publ Secur Univ, Dept Forens Sci, Beijing, Peoples R China
关键词
Latent fingerprint; Lipophilic modification; Forensic science; Silica nanoparticle; DYES;
D O I
10.1080/00032719.2014.984195
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
4-(Chloromethyl) phenyltrichlorosilane was used to modify silica spheres to obtain a sensitive and selective nanoparticle powder for detecting latent fingerprints. Various analytical techniques were used to characterize the nanoparticles and to show that the structure and properties are well-suited for forensic science. The synthesis of the particles was optimized based on the performance in terms of detection and the development of a test set of latent prints. The new material offers simple synthesis, convenient use for routine casework, and low price. These advantages suggest potential application for crime scene investigations.
引用
收藏
页码:1524 / 1535
页数:12
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