Al(iii)-responsive "off-on" chemosensor based on rhodamine derivative and its application in cell imaging.
Al(iii)-responsive "off-on" chemosensor based on rhodamine derivative and its application in cell imaging.
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基于罗丹明衍生物的Al(iii)响应“关-开”化学传感器及其在细胞成像中的应用
DOI：
10.1039/c8ra05359f
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发表时间：
2018-08-30
期刊：
影响因子：
3.9
通讯作者：
Zhang, Jun
中科院分区：
文献类型：
--
作者：
Yu, Chunwei;Jian, Li;Ji, Yuxiang;Zhang, Jun
本文设计并合成了一种新型罗丹明化学传感器(P)，该传感器在可见光照射下具有优异的光致变色性能。所制备的化学传感器P可以通过罗丹明单元螺内酰胺环的开口检测Al3+，具有较高的选择性和灵敏度。通过核磁共振和红外光谱证实了螺内酰胺的开环。与Al3+结合后，生成1:1 P-Al3+配合物，经Job’s plot滴定和质谱分析证实，可以表现出显著的荧光增强，检测限（LOD）为0.16 μM。此外，我们还对体内P对Al3+的感应进行了详细的定量和定性研究，结果表明，P与Al3+的配位在活细胞中是可逆的。本文设计并合成了一种新型罗丹明化学传感器(P)，该传感器在可见光照射下具有优异的光致变色性能。
In this work, a new rhodamine chemosensor (P) with excellent photochromic properties upon vis irradiation was designed and synthesized. The fabricated chemosensor P could detect Al3+via the opening of the spirolactam ring of the rhodamine unit with high selectivity and sensitivity. The spirolactam ring opening was confirmed by NMR and infrared spectroscopy. Upon binding with Al3+, the generated 1 : 1 P-Al3+ complex, confirmed by Job's plot titrations and mass spectrometry analysis, could exhibit a remarkable fluorescence enhancement with a limit of detection (LOD) of 0.16 μM. Furthermore, the sensing of P to Al3+in vivo was also studied quantitatively and qualitatively in detail, and the results showed that the coordination between P with Al3+ was reversible in living cells. In this work, a new rhodamine chemosensor (P) with excellent photochromic properties upon vis irradiation was designed and synthesized.
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