A simple and effective method was reported for the preparation from MEH-PPV of conjugated polymer nanoparticles (Pdots) that are water-soluble and well dispersed. The as-prepared Pdots show bright orange fluorescence at a quantum yield up to 32.37%. The fluorescence intensity of Pdots can be quenched with good selectively by the successive addition of Fe(3+) . In addition, the as-obtained Pdots were applied to the imaging of HeLa cells, and exhibited low cytotoxicity and excellent biocompatibility.
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| http://dx.doi.org/10.1002/bio.2759 | DOI Listing |
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