Synthesis and Characterization of a Mg(2+)-Selective Probe Based on Benzoyl Hydrazine Derivative and Its Application in Cell Imaging.

Synthesis and Characterization of a Mg(2+)-Selective Probe Based on Benzoyl Hydrazine Derivative and Its Application in Cell Imaging.
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基于苯甲酰肼衍生物的Mg2选择性探针的合成、表征及其在细胞成像中的应用

DOI:
10.3390/molecules26092457
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发表时间:
2021-04-23
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Zhang J
Zhang J
中科院分区:
其他
文献类型:
--
作者:
Yu C;Ji Y;Wen S;Zhang J

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成功合成了一种简单的苯甲酰肼衍生物P,并对其进行了Mg2+选择性荧光探针的表征。P与Mg2+结合在482 nm处产生明显的荧光增强。荧光光谱、紫外-可见光谱、1H-NMR和IR光谱证实了P-Mg2+络合物的形成,并通过Job’s plot和质谱法证实了P-Mg2+络合物的形成。P对Mg2+的识别机制是由于光诱导电子转移效应(PET)。在水-乙醇溶液(1:9,v:v, pH10.0, 20 mM HEPES)中,荧光响应在0.9 ~ 4.0µM范围内呈线性,检测限为0.3µM Mg2+。此外,Mg2+在Hl-7701细胞中的细胞成像结果令人满意。
A simple benzoyl hydrazine derivative P was successfully synthesized and characterized as Mg2+-selective fluorescent probe. The binding of P with Mg2+ caused an obvious fluorescence enhancement at 482 nm. The fluorescent, UV-vis spectra, 1H-NMR, and IR spectra confirmed the formation of P-Mg2+ complex, and the formation of a 1:1 stoichiometry complex was proved by Job’s plot and mass spectrometry. The recognition mechanism of P to Mg2+ was owing to the photoinduced electron transfer effect (PET). The fluorescent response was linear in the range of 0.9–4.0 µM with the detection limit of 0.3 µM Mg2+ in water–ethanol solution (1:9, v:v, pH10.0, 20 mM HEPES). In addition, the results of cell imaging of Mg2+ in Hl-7701 cells was satisfying.
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