罗丹明B衍生物修饰的上转换纳米颗粒作为用于高灵敏度检测铜和焦磷酸的荧光开-关传感器。
Rhodamine B derivatives-modified upconversion nanoparticles as a fluorescent turn-off-on sensor for the highly sensitive detection of Cu and pyrophosphate.
作者信息
Meng Zhipeng, Wu Suli, Zhong Linghua, Zeng Min, Sun Xiaoqian, Li Lu, Zhang Shufen
机构信息
State Key Laboratory of Fine Chemicals, Dalian University of Technology 2 Linggong Road Dalian 116024 P. R. China
Qingdao University of Science and Technology, 53 Zhengzhou Road Qingdao 266000 P. R. China.
出版信息
RSC Adv. 2018 Nov 13;8(66):38075-38080. doi: 10.1039/c8ra08090a. eCollection 2018 Nov 7.
Rhodamine B derivatives (RBP)-modified UCNPs (UCNPs@mSiO-RBP) were developed as a fluorescent turn-off-on sensor based on FRET and IFE to detect Cu and pyrophosphate (PPi) with a wide linear response range (0-10 μM for Cu and 5-35 μM for PPi, much wider than that reported previously) and high sensibility (117 nM for Cu and 70 nM for PPi). The MTT experiments and the bioimaging experiments show its promising prospect in tissue imaging.
罗丹明B衍生物（RBP）修饰的上转换纳米粒子（UCNPs@mSiO-RBP）被开发为一种基于荧光共振能量转移（FRET）和内滤效应（IFE）的荧光开-关传感器，用于检测铜离子（Cu）和焦磷酸（PPi），具有宽线性响应范围（Cu为0 - 10 μM，PPi为5 - 35 μM，比先前报道的范围宽得多）和高灵敏度（Cu为117 nM，PPi为70 nM）。MTT实验和生物成像实验表明其在组织成像方面具有广阔前景。
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