期刊
JOURNAL OF NANOPARTICLE RESEARCH
卷 16, 期 10, 页码 -出版社
SPRINGER
DOI: 10.1007/s11051-014-2646-1
关键词
Carbon nanoparticles; Microwave synthesis; Fluorescent nanoparticles; Hela cells; Multi-photon excitation fluorescence microscopy
资金
- University of Crete [KA-3047, KA-3469]
Two types of highly fluorescent carbon dots (C-dots) were prepared by a single-step procedure based on microwave heating citric acid and 6-aminocaproic acid or citric acid and urea in an aqueous solution. The small size of the isolated carbon dots along with their strong absorption in the UV and their excitation wavelength-dependent fluorescence render them ideal nanomaterials for biomedical applications (imaging and sensing). The structure and properties of the two types of C-dot materials were studied using a series of spectroscopic techniques. The ability of the C-dots to be internalized by HeLa cells was demonstrated via 3-photon fluorescence microscopy imaging.
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