Covalent Organic Polymers for Rapid Fluorescence Imaging
of Latent Fingerprints
Version 3 2019-02-20, 19:48
Version 2 2018-06-13, 12:55
Version 1 2018-06-13, 12:50
Posted on 2019-02-20 - 19:48
Rapid, simple and highly sensitive identification of latent fingerprints
(LFPs) is an important issue related to national security and recognition
of potential crimes. Here, we synthesize a series of covalent organic
polymers (COPs) with colorful fluorescence (from blue to green, pale
yellow, bright yellow, and red) and further investigate their performance
for fluorescence imaging of LFPs. Results indicate that the COP materials
can be used as fluorescence probes to rapidly visualize the precision
substructure of LFPs within 5 s by simply spraying method, and tunable
fluorescent color makes the COP probes have a high contrast and low
interference for fluorescence imaging of LFPs on different substrates
(including glass slides, paper, aluminum foil, plastic, ironware)
in different backgrounds. We also further reveal the mechanism of
COP probes for fluorescence imaging of LFPs. Importantly, the COP
probes show high stability and could successfully achieve the fluorescence
imaging for LFPs after aged for 45 days or washed by water. In short,
this is the first report on the porous polymers for fluorescence imaging
of LFPs and expected that it can be also applied to the fluorescence
imaging of other fields.
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Wang, Meng; Guo, Lin; Cao, Dapeng (2018). Covalent Organic Polymers for Rapid Fluorescence Imaging
of Latent Fingerprints. ACS Publications. Collection. https://doi.org/10.1021/acsami.8b05213
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