期刊
MATERIALS CHEMISTRY FRONTIERS
卷 6, 期 9, 页码 1188-1193出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2qm00107a
关键词
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资金
- National Basic Research Program (973) of China [2015CB755602, 2013CB922104]
- National Natural Science Foundation of China [22165008, 22077037, 51673077, 51603078]
- Science, Technology and Innovation Commission of Shenzhen Municipality [JCYJ20180507184503128]
- Hainan Provincial Natural Science Foundation of China [521RC506]
- Open Project Program of Wuhan National Laboratory for Optoelectronics [2020WNLOKF018]
In this study, an efficient green fluorescent probe PVPOH was designed and synthesized to illuminate latent fingerprints. PVPOH exhibited minimal fluorescence in aqueous solution but strong green fluorescence emission upon binding to the lipophilic vicinity of a latent fingerprint surface. The developed images of latent fingerprints showed high fidelity and contrast, with the green fluorescence being highly visible to the human eye. PVPOH's aqueous solution is environmentally friendly, making it suitable for on-site fingerprint collection.
High-efficiency fingerprint imaging agents with turn-on green fluorescence are promising in forensic applications. Herein, we designed and synthesized an amphipathic green fluorescent probe, PVPOH, which can efficiently light up latent fingerprints. PVPOH was observed to be a kind of fluorogen with aggregation-induced emission (AIE) activity; it displayed minimal fluorescence in aqueous solution but showed strong green fluorescence emission at 550 nm upon binding the lipophilic vicinity of a latent fingerprint surface. The images of latent fingerprints were developed in seconds with high fidelity and contrast. The human eye is highly sensitive to green light, and the aqueous solution of PVPOH is environmentally friendly, making it easy to be used for on-site fingerprint collection.
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