Time-resolved fluorescent detection of Hg2+ in a complex environment by conjugating magnetic nanoparticles with a triple-helix molecular switch

被引：48
|
作者：
Zheng, Jing [1 ]
Nie, Yuhong [1 ]
Hu, Yaping [1 ]
Li, Jishan [1 ]
Li, Yinhui [1 ]
Jiang, Ying [1 ]
Yang, Ronghua [1 ]
机构：
[1] Hunan Univ, Coll Chem & Chem Engn, State Key Lab Chemo Biosensing & Chemometr, Changsha 410082, Hunan, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2013年 / 49卷 / 61期
关键词：
ELECTRON-TRANSFER; AQUEOUS-SOLUTION; BASE-PAIRS; DNA; MERCURY; RECOGNITION; PROTEIN; PROBES; SENSOR; IONS;
D O I：
10.1039/c3cc42962h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this communication, we molecularly engineered a light-switching excimer oligonucleotide-based probe for time-resolved fluorescent detection of Hg2+. By combining a time-resolved fluorescence technique and magnetic nanoparticles, Hg2+ spiked in human urine was detected.
引用
收藏
页码：6915 / 6917
页数：3
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    Chen, Jiaye
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    Li, Yuanyuan
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  • [3] A fluorescent aptasensor for potassium ion detection-based triple-helix molecular switch
    Verdian-Doghaei, A.
    Housaindokht, M. R.
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    Tu, Chunyan
    Dai, Yuanyuan
    Zhang, Ying
    Wang, Weiping
    Wu, Liang
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  • [5] Electrochemical DNA probe for Hg2+ detection based on a triple-helix DNA and Multistage Signal Amplification Strategy
    Wang, Huan
    Zhang, Yihe
    Ma, Hongmin
    Ren, Xiang
    Wang, Yaoguang
    Zhang, Yong
    Wei, Qin
    [J]. BIOSENSORS & BIOELECTRONICS, 2016, 86 : 907 - 912
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    Liao, Xianjiu
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    Tang, Qianli
    [J]. AUSTRALIAN JOURNAL OF CHEMISTRY, 2020, 73 (11) : 1074 - 1079
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    [J]. Chinese Chemical Letters, 2017, 28 (07) : 1380 - 1384
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    Liu, Hai-Sheng
    Wu, Ke-Feng
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    Ma, Chang-Bei
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    Ramezani, Mohammad
    Abnous, Khalil
    [J]. RSC ADVANCES, 2015, 5 (54): : 43508 - 43514
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