期刊
COLLOIDS AND SURFACES B-BIOINTERFACES
卷 123, 期 -, 页码 747-752出版社
ELSEVIER
DOI: 10.1016/j.colsurfb.2014.10.027
关键词
Polyethylenimine; Glucose; Fluorescent organic nanoparticles; Biocompatibility; Cell imaging
资金
- National Science Foundation of China [21134004, 21201108, 51363016]
- National 973 Project [2011CB935700]
- China Postdoctoral Science Foundation [2012M520243, 2013T60100]
Fluorescent organic nanoparticles (FONs) were facilely prepared from polyethylenimine and glucose at mild reaction condition, and further utilized for cell imaging with various fluorescent wavelengths. The as-prepared PEI-Glu FONs were fully characterized by a series of techniques including H-1 NMR spectrum, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, transmission electron microscopy, dynamic light scattering, UV-vis absorption spectrum, and fluorescence spectra. Such FONs were demonstrated with intense fluorescence and high water dispersibility. Biocompatibility evaluation and cell uptake behavior of these FONs were further investigated, which proved excellent biocompatibility and made them promising for cell imaging. (C) 2014 Elsevier B.V. All rights reserved.
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