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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Role of spacer in single- or two-step FRET: studies in the presence of two connected cryptands with properly chosen. uorophores
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Role of spacer in single- or two-step FRET: studies in the presence of two connected cryptands with properly chosen. uorophores

机译:间隔基在单步或两步FRET中的作用:在存在两个正确选择的连接体的情况下进行研究。荧光团

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摘要

Two cryptand molecules are connected via p-xyloyl, benzene-1,4-dicarbolyol and 9,10-dimethylene anthracene. Each cryptand is further derivatized with. uorophores such that electronic absorption of one. uorophore overlaps emission of the other. This way, three different systems L-1, L-2 and L-3 have been synthesized to get a better view of the effect on the distance in single-and two-step fluorescence resonance energy transfer (FRET) process. These molecules are probed for FRET in the presence of a metal ion as input. L-1 and L-2 exhibit poor performance in single step FRET while in the case of L-3, a large two-step FRET process is operational with Cu(II) or Hg(II) as input.
机译:两个穴状分子通过对-二甲苯甲酰基,苯-1,4-二二甲苯酚和9,10-二亚甲基蒽连接。每个密码子都将进一步衍生。荧光团是指电子吸收的一种。尿素与另一个的发射重叠。这样,已经合成了三个不同的系统L-1,L-2和L-3,以更好地了解单步和两步荧光共振能量转移(FRET)过程中距离的影响。在存在金属离子作为输入的情况下探测这些分子的FRET。 L-1和L-2在单步FRET中表现较差,而在L-3的情况下,可以使用Cu(II)或Hg(II)作为输入进行较大的两步FRET工艺。

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