Nanoplasmonic Imaging of Latent Fingerprints and Identification of Cocaine

Nanoplasmonic Imaging of Latent Fingerprints and Identification of Cocaine

Search for traces: Aptamer‐bound Au nanoparticles (Au NPs) were used to provide high‐resolution dark‐field microscopy images of latent fingerprints (LFPs) with level 2 and level 3 details. Furthermore, the cocaine‐induced aggregation of Au NPs results in a true green‐to‐red color change of the scatt...

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Veröffentlicht in:Angewandte Chemie International Edition 2013-10, Vol.52 (44), p.11542-11545
Hauptverfasser: Li, Kun, Qin, Weiwei, Li, Fan, Zhao, Xingchun, Jiang, Bowei, Wang, Kun, Deng, Suhui, Fan, Chunhai, Li, Di
Format: Artikel
Sprache:eng
Schlagworte:
Agglomeration
aptamers
Aptamers, Nucleotide - pharmacology
cocaine
Cocaine - chemistry
Color
Dermatoglyphics
Fingerprints
gold
Gold - chemistry
Microscopy
Nanoparticles
Nanostructure
Narcotics
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Zusammenfassung:Search for traces: Aptamer‐bound Au nanoparticles (Au NPs) were used to provide high‐resolution dark‐field microscopy images of latent fingerprints (LFPs) with level 2 and level 3 details. Furthermore, the cocaine‐induced aggregation of Au NPs results in a true green‐to‐red color change of the scattered light, providing a quasi‐quantative method to identify cocaine loadings in LFPs.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201305980