Photoswitchable ultrahigh-brightness red fluorescent polymeric nanoparticles for information encryption, anti-counterfeiting and bioimaging
Journal of Materials Chemistry C, ISSN: 2050-7526, Vol: 7, Issue: 37, Page: 11515-11521
2019
- 66Citations
- 34Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
Photoswitchable fluorescent nanomaterials have received much attention due to their versatile applications but they normally do not show high-contrast red fluorescence. Herein, we report novel photoswitchable red fluorescent polymer nanoparticles (PRFPNs) based on fluorescence resonance energy transfer (FRET) from nile red (fluorescent donor) to spirothiopyran (photochromic acceptor). Both the donor and the acceptor are covalently incorporated into nanoparticles through a facile miniemulsion polymerization. The obtained PRFPNs exhibit not only reversible photoswitching of fluorescence characteristics under alternate UV and visible light irradiation, but also tunable FRET efficiency, favorable photoreversibility, excellent fluorescence stability, ultrahigh brightness and high contrast on/off fluorescence. We demonstrate that these PRFPNs can be used in rewritable information encryption, anti-counterfeiting and reversible fluorescence bioimaging in living cells.
Bibliographic Details
Royal Society of Chemistry (RSC)
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