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Phosphorescent Thymidine Triphosphate Sensor Based on a Donor-Acceptor Ensemble System using Intermolecular Energy Transfer

机译:基于分子间能量转移的供体-受体集合系统的磷光胸苷三磷酸传感器

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摘要

An ensemble sensor system that exhibited selective luminescence enhancement upon binding to thymidine 5'-triphosphate (TTP) in HEPES buffer over other nucleotides was developed, The ensemble system consisted of an energy acceptor (FIrpic-bis(Zn2+-dipicolylamine conjugate, FIrpic = bis[(4,6-difluorophenyl)-phridnato-N,C2+]picolinate) derivative) and an energy donor (mCP-Zn2+-cyclen, mCP = N,N'-dicarbazolyl-3,5-benzene). Among the nucleotides, the selective recognition and luminescence enhancement for TTP was achieved by the strong binding of the thymine unit to Zn2+-cyclen (cyclen = 1,4 7, 10-tetraaza-cyclododecane) and intermolecular energy transfer between the mCP and FIrpic moieties.
机译:开发了一种能在HEPES缓冲液中与其他核苷酸结合后与胸苷5'-三磷酸(TTP)结合而显示选择性发光增强的整体传感器系统,该系统由能量受体(FIrpic-bis(Zn2 + -dipicolylamine conjugate,FIrpic = bis [(4,6-二氟苯基)-吡啶萘基-N,C2 +]吡啶甲酸衍生物)和能量供体(mCP-Zn2 +-环素,mCP = N,N'-二咔唑基-3,5-苯)。在这些核苷酸中,TTP的选择性识别和发光增强是通过胸腺嘧啶单元与Zn2 +-周期蛋白(周期数= 1,4 7,10-四氮杂-环十二烷)的牢固结合以及mCP和FIrpic部分之间的分子间能量转移而实现的。 。

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