Coordination polymers of Tb3+/Nucleotide as smart chemical nose/tongue toward pattern-recognition-based and time-resolved fluorescence sensing

被引：27
作者：
Han, Xin-Yue [1 ]
Fan, Qian-Xi [1 ]
Chen, Zi-Han [1 ]
Deng, Ling-Xue [1 ]
Fang, Zheng-Qi [1 ]
Shi, Guoyue [1 ]
Zhang, Min [1 ]
机构：
[1] East China Normal Univ, Shanghai Key Lab Urban Ecol Proc & Ecorestorat, Sch Chem & Mol Engn, 500 Dongchuan Rd, Shanghai 200241, Peoples R China
来源：
BIOSENSORS & BIOELECTRONICS | 2019年 / 139卷
基金：
中国国家自然科学基金;
关键词：
Time-resolved fluorescence; Lanthanide-based sensor array; Pattern recognition; Multiple analysis; ALKALINE-PHOSPHATASE ACTIVITY; LOGIC SYSTEM; CYSTEINE; NANOPARTICLES; TERBIUM(III); LUMINESCENT; BIOSENSOR; BINDING; PROBES; ASSAY;
D O I：
10.1016/j.bios.2019.111335
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
The abundant functional groups on guanosine monophosphate (GMP) make it possible to interact with various metal ions. The subtle difference in the structure of GMP and deoxy-guanosine monophosphate (dGMP) coupled with Tb3+ can be readily exploited to form two coordination polymers, which have been unveiled as two time-resolved fluorescence (TRF) sensing reporters (Tb-GMP and Tb-dGMP) in our study. Based on this finding, herein, we have proposed a novel TRF orthogonal sensing array (Tb-GMP/dGMP) for pattern-recognition-based sensing of various metal ions. In addition, upon integration of some thiol-affinity metal ions, Tb-GMP/dGMP can be further extended to construct two metal ion-involved pattern-recognition-based sensor arrays (Tb-GMP/ dGMP-Cu, Tb-GMP/dGMP-Ag) for the TRF sensing different levels of disease-relevant biothiols in biofluids, illustrating the powerful and multifunctional capabilities of the Tb-GMP/dGMP system and would inspire simpler and more widespread designs of chemical nose/tongue-based applications.
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页数：6
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