Journal
ANALYTICAL LETTERS
Volume 48, Issue 9, Pages 1524-1535Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00032719.2014.984195
Keywords
Latent fingerprint; Lipophilic modification; Forensic science; Silica nanoparticle
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Funding
- Chinese National TCM Project in the 12th Five-Year Period [2012BAK02B04]
- Chinese Nonprofit Basement Research [2014JB008]
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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.
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