A fluorescence on-off sensor for Cu2+ and its resultant complex as an off-on sensor for Cr3+ in aqueous media

Gao Yunling; Shu Jieming; Zhang Cong; Zhang Xiang; Chen Haiyan; Yao Kejian

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A fluorescence on-off sensor for Cu2+ and its resultant complex as an off-on sensor for Cr3+ in aqueous media

机译：用于Cu2 +的荧光开关传感器及其在水介质中作为Cr3 +开关传感器的配合物

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A new coumarin-quinoline based sensor 1 has been synthesized. The paramagnetic Cu2+ ion turned off the fluorescence of sensor 1 with a 1 : 1 binding stoichiometry. The resultant 1-Cu2+ complex could act in situ as an efficient "off-on" fluorescence sensor for the paramagnetic Cr3+ ion triggered by the 1 : 1 replacement of Cu2+ with Cr3+. This selective fluorescence "on-off-on" sensor was used to identify Cu2+ and Cr3+ in living breast cancer MCF-7 cells using confocal fluorescence microscopy, indicating that sensor 1 has a potential application for the selective detection of Cu2+ and Cr3+ in living cells.

机译：已经合成了新的基于香豆素-喹啉的传感器1。顺磁性Cu2 +离子以1：1的化学计量比关闭了传感器1的荧光。所得的1-Cu2 +络合物可就地充当顺磁性Cr3 +离子的高效“关闭”荧光传感器，该传感器由Cr3 + 1：1置换Cu2 +触发。使用共聚焦荧光显微镜，该选择性荧光“开-关-开”传感器用于鉴定活乳腺癌MCF-7细胞中的Cu2 +和Cr3 +，表明传感器1在选择性检测活细胞中的Cu2 +和Cr3 +中具有潜在的应用价值。

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《RSC Advances》 |2015年第91期|共9页
作者
Gao Yunling; Shu Jieming; Zhang Cong; Zhang Xiang; Chen Haiyan; Yao Kejian;
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中图分类化学;
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1. A fluorescence on-off sensor for Cu2+ and its resultant complex as an off-on sensor for Cr3+ in aqueous media [J] . Gao Yunling, Shu Jieming, Zhang Cong, RSC Advances . 2015,第91期

机译：用于Cu2 +的荧光开关传感器及其在水介质中作为Cr3 +开关传感器的配合物
2. Off-on Fluorescent Sensor from On-off Sensor:Exploiting Silver Nanoparticles Influence on the Organic Fluorophore Fluorescence [J] . P. S. Hariharan, Arvind Sivasubramanian, Savarimuthu Philip Anthony Journal of Fluorescence . 2014,第2期

机译：开关传感器的开关荧光传感器：利用银纳米颗粒对有机荧光团荧光的影响
3. A rapid selective colorimetric and 'On-Off' fluorimetric sensor for detecting Cu2+ ions in aqueous media based on a simple bis-schiff-base derivative [J] . Li Hui, Zhu Yuanrong, Shi Bingbing, Supramolecular chemistry . 2015,第7a8期

机译：基于简单的双席夫碱衍生物的快速选择性比色和“开-关”荧光传感器，用于检测水性介质中的Cu2 +离子
4. Biomass carbon dots as a sensitive “on-off” fluorescent probe for Fe(Ⅲ)and promising “on off-on” sensor for antioxidants [C] . Yanpeng Li, Zicheng Liang, Xiaohui Wang, 第五届制浆造纸新技术国际研讨会（ISETPP）暨第三届国际造纸与环境学术大会（IPEC）论文集 . 2016

机译：生物质碳点作为Fe（Ⅲ）的灵敏“开-关”荧光探针，并有望用于抗氧化剂的“开-关”传感器
5. Synthesis and characterization of miniaturized fluorescence sensors for aqueous and cellular measurements. [D] . Ma, Aihui. 2005

机译：用于水和细胞测量的微型荧光传感器的合成和表征。
6. Trivalent Cations Detection of Magnetic-Sensitive Microcapsules by Controlled-Release Fluorescence Off-On Sensor [O] . Bo-Wei Du, Ching-Chang Lin, Fu-Hsiang Ko 2021

机译：通过控制释放荧光脱机传感器的三价阳离子检测磁敏微胶囊
7. Fluorescence switch-on sensor for Cu2+ by an amide linked lower rim 1,3-bis(2-picolyl)amine derivative of calix4arene in aqueous methanol [O] . JOSEPH ROYMON, RAMANUJAM BALAJI, ACHARYA AMITABHA, 2009

机译：杯4芳烃在酰胺水溶液中的酰胺连接的下缘1,3-双（2-吡啶甲基）胺衍生物对Cu2 +的荧光开关传感器

A fluorescence on-off sensor for Cu2+ and its resultant complex as an off-on sensor for Cr3+ in aqueous media

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