期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 33, 期 18, 页码 1523-1527出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201200337
关键词
copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC); fluorescence; nanogels; reverse (mini)emulsion (REM)
资金
- National Natural Science Foundation of China [20804009, 21074022]
- Key Laboratory of Environmental Medicine Engineering of the Ministry of Education (Southeast University)
Here, we are the first to report a novel approach to preparing well-defined poly(ethylene glycol) (PEG) fluorescent nanogels, with well-defined molecular structures and desired functionalities via reverse (mini)emulsion copper(I)-catalyzed azide-alkyne cycloaddition (REM-CuAAC). Nanogels with hydroxyl groups and Ga-porphyrin complex (Ga-porphyrin-OH nanogels), as well as with Ga-porphyrin complex and folate functional groups (Ga-porphyrin-FA), are successfully prepared. Nanogels of 30 and 120 nm in diameter are obtained and they exhibit an emission maxima within the wavelength range 700800 nm. The nanogels could find uses in near infrared (NIR) imaging attributable to their fluorescence and their functionality for cell affinity.
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