Communication
ChemComm
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Fig. 4 Cytotoxicity assay of (a) macrophages and (b) L02 cells in the
presence of 4C-PP5-UCNPs; (c) the bright and fluorescence microscopy
images of macrophages incubated with 100 mg mLꢁ1 of 4C-PP5-UCNPs,
4C-PP5-UCNPs@RhB and 4C-PP5-UCNPs@5-ASA for 6 h, respectively.
4C-PP5-UCNPs inside cells were excited by a 980 nm wavelength laser as
the light source. Each series can be classified into the bright field image, the
nuclei of macrophages, the UCL image and the merging of the first three
images, respectively. Scale bar: 10 mm.
system increases with the increase of the environment pH
values. Interestingly, this nanosystem could also realize UCL cell
imaging under NIR irradiation. This research provides an insight
into the development of phosphorylpillarene-coated UCNPs for
improved treatment of IBD.
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´
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We thank the National Natural Science Foundation of China
(51673084, 51473061, and 21871108), the Jilin Province-University
Cooperative Construction Project—Special Funds for New
Materials (SXGJSF2017-3), and the Jilin University Talents
Cultivation Program for financial support.
´
´
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Conflicts of interest
There are no conflicts to declare.
´
P. B. Memvanga, B. Ucakar, A. Rieux and V. Preat, Int. J. Pharm.,
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Chem. Commun., 2018, 54, 12990--12993 | 12993