期刊
JOURNAL OF MATERIALS CHEMISTRY B
卷 5, 期 35, 页码 7328-7334出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7tb00634a
关键词
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资金
- National Natural Science Foundation of the People's Republic of China [81571747, 81371628]
- Key research and development program of Shanxi province [201603D121021]
- Scientific research projects of Health and Family Planning Commission of Shanxi province [2015035]
- Overseas students science and technology Projects, Shanxi Scholarship Council of China [2015057]
- National Engineering Laboratory for Carbon Fiber Technology, Institute of Coal Chemistry, Chinese Academy of Sciences, China
Near infrared (NIR)-light emitting fluorescent probes have attracted extensive research attention in the bioimaging field due to their deep tissue penetration, minimal auto-fluorescence and lower emission light damage to bio-tissues. Herein, we designed and prepared NIR-light emitting CDs (R-CDs) from spinach by a one-step solvothermal method. The R-CDs exhibited good water solubility, a maximum fluorescence emission peak at 680 nm, a high quantum yield of 15.34%, remarkable photo-stability and resistance to metal ions in a body-simulating environment, excellent compatibility, negligible toxicity, and superior labelling capability in vitro and in vivo. These findings significantly highlight the design of NIR-light emitting CDs and exploit their bio-imaging applications.
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