A General Strategy for Development of Near‐Infrared Fluorescent Probes for Bioimaging
作者:Wei Chen、Shi Xu、Jacob J. Day、Difei Wang、Ming Xian
DOI:10.1002/anie.201710688
日期:2017.12.22
by easy modifications on the phenolic hydroxy group. Based on WR6, two NIR fluorescent turn‐on probes, WSP‐NIR and SeSP‐NIR, were devised for the detection of H2S. The probe SeSP‐NIR was applied in visualizing intracellular H2S. These dyes are expected to be useful fluorophore scaffolds in the development of new NIR probes for bioimaging.
具有良好光物理性质的近红外(NIR)荧光染料在生物成像方面非常有用,但是这种染料仍然很少见。描述了通过用稠合的四氢喹喔啉环修饰Rhodol支架来开发一类独特的NIR染料。这些新染料显示出较大的斯托克斯位移(> 110 nm)。其中,WR3,WR4,WR5和WR6在水溶液中显示出高的荧光量子产率和出色的光稳定性。而且,它们的荧光特性可通过对酚羟基的简单修饰来调节。基于WR6,二NIR荧光接通探针,WSP-NIR和SESP-NIR,被设计成用于检测H的2 S.探针SESP-NIR在可视化细胞内H为施加2S.预期这些染料将在开发用于生物成像的新型NIR探针中用作有用的荧光支架。