Nitrogen-Doped Carbon Dots: A Facile and General Preparation Method, Photoluminescence Investigation, and Imaging Applications
文献类型：期刊论文
| 作者 | Xu, Yang1,2; Wu, Ming3,4; Liu, Yang3,4; Feng, Xi-Zeng3,4; Yin, Xue-Bo1,2; He, Xi-Wen1,2; Zhang, Yu-Kui1,2,5 |
| 刊名 | chemistry-a european journal
 |
| 出版日期 | 2013-02-01 |
| 卷号 | 19期号:7页码:2276-2283 |
| 关键词 | carbon dots cell imaging luminescence nitrogen upconversion |
| 产权排序 | 待补充 |
| 通讯作者 | feng xizeng ; yin xuebo |
| 合作状况 | 英 |
| 英文摘要 | carbon dots (cdots) are an important probe for imaging and sensing applications because of their fluorescence property, good biocompatibility, and low toxicity. however, complex procedures and strong acid treatment are often required and cdots suffer from low photoluminescence (pl) emission. herein, a facile and general strategy using carbonization of precursors and then extraction with solvents is proposed for the preparation of nitrogen-doped cdots (n-cdots) with 3-(3,4-dihydroxyphenyl)-l-alanine (l-dopa), l-histidine, and l-arginine as precursor models. after they are heated, the precursors become carbonized. nitrogen-doped cdots are subsequently extracted into n,n-dimethylformamide (dmf) from the carbogenic solid. a coreshell structure of cdots with a carbon core and the oxygen-containing shell was observed. nitrogen has different forms in n-cdots and oxidized n-cdots. the doped nitrogen and low oxidation level in n-cdots improve their emission significantly. the n-cdots show an emission with a nitrogen-content-dependent intensity and cdot-size-dependent emission-peak wavelength. imaging of hela cells, a human cervical cancer cell line, and hepg2 cells, a human hepatocellular liver carcinoma line, was observed with high resolution using n-cdots as a probe and validates their use in imaging applications and their multicolor property in the living cell system. |
| WOS标题词 | science & technology ; physical sciences |
| 学科主题 | 物理化学 |
| 类目[WOS] | chemistry, multidisciplinary |
| 研究领域[WOS] | chemistry |
| 关键词[WOS] | one-step synthesis ; zns quantum dots ; nanoparticles ; nanocrystals ; graphite ; nanodots ; route ; soot |
| 收录类别 | SCI |
| 资助信息 | 3，7 |
| 原文出处 | 2283 |
| 语种 | 英语 |
| WOS记录号 | WOS:000314662700011 |
| 公开日期 | 2014-09-11 |
| 源URL | [http://159.226.238.44/handle/321008/119276]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | 1.Nankai Univ, Coll Chem, State Key Lab Med Chem Biol, Tianjin 300071, Peoples R China 2.Nankai Univ, Coll Chem, Key Lab Funct Polymer Mat MOE, Tianjin 300071, Peoples R China 3.Nankai Univ, Coll Life Sci, State Key Lab Med Chem Biol, Tianjin 300071, Peoples R China 4.Nankai Univ, Coll Life Sci, Key Lab Bioact Mat MOE, Tianjin 300071, Peoples R China 5.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Dalian 116011, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xu, Yang,Wu, Ming,Liu, Yang,et al. Nitrogen-Doped Carbon Dots: A Facile and General Preparation Method, Photoluminescence Investigation, and Imaging Applications[J]. chemistry-a european journal,2013,19(7):2276-2283. |
| APA | Xu, Yang.,Wu, Ming.,Liu, Yang.,Feng, Xi-Zeng.,Yin, Xue-Bo.,...&Zhang, Yu-Kui.(2013).Nitrogen-Doped Carbon Dots: A Facile and General Preparation Method, Photoluminescence Investigation, and Imaging Applications.chemistry-a european journal,19(7),2276-2283. |
| MLA | Xu, Yang,et al."Nitrogen-Doped Carbon Dots: A Facile and General Preparation Method, Photoluminescence Investigation, and Imaging Applications".chemistry-a european journal 19.7(2013):2276-2283. |
入库方式： OAI收割
来源：大连化学物理研究所
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