期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 397, 期 -, 页码 39-44出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2013.01.063
关键词
Nanodiamond; Carbon-dots; Tunable photoluminescence; Cell imaging; Biocompatibility
资金
- National Science Foundation of China [21134004, 21104039, 21201108]
- National 973 Project [2011CB935700]
- China Postdoctoral Science Foundation [2011M500280]
Water dispersible carbon-dots (CDs) with tunable photoluminescence were synthesized via one-pot hydrothermal oxidation of nanodiamond and subsequently utilized for cell imaging applications. The CDs were characterized by the following techniques including transmission electron microscopy, atomic force microscopy, Fourier transform infrared spectroscopy, UV-Visible spectroscopy, and fluorescent spectroscopy. Results showed that the size of CDs is mainly distributed at 3-7 nm. Many functional groups were introduced on the surface of CDs during hydrothermal oxidation procedure. Cell morphology observation and cell viability measurement demonstrated the good biocompatibility of CDs, suggesting their potential bioimaging applications. (C) 2013 Elsevier Inc. All rights reserved.
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