作者:Wei-Sheng Li、Jian Luo、Feng Jiang、Zhong-Ning Chen
DOI:10.1039/c2dt30513e
日期:——
new self-assembled gadolinium(III)–aluminum(III) complex (Gd3Al) was synthesized and characterized. The efficacy of this Gd3Al complex as a potential bimodal magnetic resonance imaging (MRI)/optical imaging agent has been evaluated. Relaxivity studies showed that the Gd3Al complex has higher relaxation efficiency (7.18 mM−1 s−1) compared with the clinically used complex gadolinium–diethylenetriaminepentaacetic
合成并表征了一种新的自组装g(III)-铝(III)配合物(Gd 3 Al)。该Gd 3 Al复合物作为潜在的双峰磁共振成像(MRI)/光学成像剂的功效已得到评估。弛豫性研究表明,与临床上使用的-二亚乙基三胺五乙酸(Gd-DTPA,3.9 mM -1 s -1)相比,Gd 3 Al络合物具有更高的弛豫效率(7.18 mM -1 s -1)。℃。体外T 1在0.5 T磁场下的-MR图像与Gd 3 Al相比显示出显着增强的信号对比度DTPA。此外,Gd 3 Al配合物表现出亮绿色的发光,发射光谱集中在510 nm。活细胞荧光成像显示,Gd 3 Al复合物可渗透细胞并定位于细胞质。考虑到弛豫和发光性质,该Gd 3 Al配合物可以用作潜在的双峰MRI /光学成像剂。