期刊
LUMINESCENCE
卷 31, 期 3, 页码 746-753出版社
WILEY-BLACKWELL
DOI: 10.1002/bio.3019
关键词
citric acid; graphene quantum dots; solid-phase synthesis; cell imaging
资金
- National Natural Science Foundation of China [NSFC-21305061]
- Natural Science Foundation of Jiangxi Province [20151BAB213014, 20151BAB203021]
- State Key Laboratory of Chemo/Biosensing and Chemometrics of Hunan University [SKLCBC-2013010]
- State Key Laboratory of Food Science and Technology of Nanchang University [SKLF-ZZA-201302, SKLF-ZZB-201303]
The work demonstrated that solid citric acid, one of the most common food additives, can be converted to graphene quantum dots (GQDs) under microwave heating. The as-prepared GQDs were further characterized by various analytical techniques like transmission electron microscopy, atomic force microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, fluorescence and UV-visible spectroscopy. Cytotoxicity of the GQDs was evaluated using HeLa cells. The result showed that the GQDs almost did not exhibit cytotoxicity at concentrations as high as 1000 mu g mL(-1). In addition, it was found that the GQDs showed good solubility, excellent photostability, and excitation-dependent multicolor photoluminescence. Subsequently, the multicolor GQDs were successfully used as a fluorescence light-up probe for live-cell imaging. Copyright (c) 2015 John Wiley & Sons, Ltd.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据