Ratiometric pH Sensing and Imaging in Living Cells with Dual-Emission Semiconductor Polymer Dots
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ID: 4648
1970
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Abstract
Polymer dots (Pdots) represent newly developed semiconductor polymer nanoparticles and exhibit excellent characteristics as fluorescent probes. To improve the sensitivity and biocompatibility of Pdots ratiometric pH biosensors, we synthesized 3 types of water-soluble Pdots: Pdots-PF, Pdots-PP, and Pdots-PPF by different combinations of fluorescent dyes poly(9,9-dioctylfluorenyl-2,7-diyl) (PFO), poly[(9,9-dioctyl-fluorenyl-2,7-diyl)-co-(1,4-benzo-2,1′,3-thiadazole)] (PFBT), and fluorescein isothiocyanate (FITC). We found that Pdots-PPF exhibits optimal performance on pH sensing. PFO and FITC in Pdots-PPF produce pH-insensitive (λ
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| Reference Key |
piaopiao1970ratiometricmolecules
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| Authors | Piaopiao Chen;Iqra Ilyas;Su He;Yichen Xing;Zhigang Jin;Chaobiao Huang;Chen, Piaopiao;Ilyas, Iqra;He, Su;Xing, Yichen;Jin, Zhigang;Huang, Chaobiao and |
| Journal | molecules |
| Year | 1970 |
| DOI |
10.3390/molecules24162923
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| URL | |
| Keywords | Keywords not found |
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