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Microwave-assisted synthesis of cyclen functional carbon dots to construct a ratiometric fluorescent probe for tetracycline detection

文献类型：期刊论文

作者Shen, Zhi1,2; Zhang, Cheng2; Yu, Xinling2; Li, Jian2; Wang, Zhenyang2; Zhang, Zhongping2; Liu, Bianhua2
刊名JOURNAL OF MATERIALS CHEMISTRY C
出版日期2018-09-28
卷号6期号:36页码:9636-9641
ISSN号2050-7526
DOI10.1039/c8tc02982b
通讯作者Zhang, Cheng(czhang@iim.ac.cn) ; Liu, Bianhua(bhliu@iim.ac.cn)
英文摘要Carbon dots (CDs) prepared by the crosslinking and carbonization reaction between the carboxyl and amino groups of organic molecules have the characteristics of high fluorescence quantum yield and tunable emission colors, enabling their wide use in chemical sensing and bioimaging. However, straight-chain organic amines are mostly used in the preparation of carbon dots. Here, we chose cyclen that contained an azamacrocyclic ring and citric acid to synthesize bright blue-emitting fluorescent CDs by the microwave method. Under 750 W microwave irradiation, the condensation-crosslinking-carbonization process can be completed within 5 minutes with a quantum yield of up to 27.6%. Taking the advantage of using cyclen, the resulting CDs still have a ring-like structure on the surface, and thus can coordinate with Eu3+ ions to construct a ratiometric fluorescent probe for tetracycline detection. When tetracycline is present in the detection system, a CD-Eu3+-tetracycline ternary complex is formed and generates an intense red emission of Eu3+. Meanwhile, the blue emission of the CDs remains unchanged, realizing accurate tetracycline detection by recording the red to blue emission ratio. Besides, the output color changes from blue to red upon increasing the concentration of tetracycline. Therefore, a smartphone based tetracycline detection technique was successfully developed through the corresponding RGB value analysis.
WOS关键词GRAPHENE QUANTUM DOTS ; COPPER IONS ; EMISSION ; STATE ; MECHANISM ; LUMINESCENCE ; GREEN ; NANODOTS ; FACILE ; SENSOR
资助项目National Basic Research Program of China[2015CB932002] ; National Natural Science Foundation of China[21775001] ; National Natural Science Foundation of China[21475135] ; China Postdoctoral Science Foundation Project[2017M622032]
WOS研究方向Materials Science ; Physics
语种英语
WOS记录号WOS:000449744900008
出版者ROYAL SOC CHEMISTRY
资助机构National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/34081]  
专题合肥物质科学研究院_中科院合肥智能机械研究所
通讯作者Zhang, Cheng; Liu, Bianhua
作者单位1.Anhui Univ, Sch Phys & Mat Sci, Hefei 230601, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Intelligent Machines, Hefei 230031, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Shen, Zhi,Zhang, Cheng,Yu, Xinling,et al. Microwave-assisted synthesis of cyclen functional carbon dots to construct a ratiometric fluorescent probe for tetracycline detection[J]. JOURNAL OF MATERIALS CHEMISTRY C,2018,6(36):9636-9641.
APA Shen, Zhi.,Zhang, Cheng.,Yu, Xinling.,Li, Jian.,Wang, Zhenyang.,...&Liu, Bianhua.(2018).Microwave-assisted synthesis of cyclen functional carbon dots to construct a ratiometric fluorescent probe for tetracycline detection.JOURNAL OF MATERIALS CHEMISTRY C,6(36),9636-9641.
MLA Shen, Zhi,et al."Microwave-assisted synthesis of cyclen functional carbon dots to construct a ratiometric fluorescent probe for tetracycline detection".JOURNAL OF MATERIALS CHEMISTRY C 6.36(2018):9636-9641.

入库方式： OAI收割

来源：合肥物质科学研究院

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