Molecular Chemiluminescent Probes with a Very Long Near‐Infrared Emission Wavelength for in Vivo Imaging
作者:Jingsheng Huang、Yuyan Jiang、Jingchao Li、Jiaguo Huang、Kanyi Pu
DOI:10.1002/anie.202013531
日期:2021.2.19
Chemiluminescence imaging is imperative for diagnostics and imaging due to its intrinsically high sensitivity. To improve in vivo detection of biomarkers, chemiluminophores that simultaneously possess near‐infrared (NIR) emission and modular structures amenable to construction of activatable probes are highly desired; however, these are rare. Herein, we report two chemiluminophores with record long
化学发光成像本质上具有很高的灵敏度,因此对于诊断和成像至关重要。为了改善生物标志物的体内检测,迫切需要同时具有近红外(NIR)发射和适合于可激活探针构建的模块化结构的化学发光体;但是,这些很少见。在本文中,我们报告了两个化学发光体,它们通过将二氰基亚甲基-4H-苯并噻喃或二氰基-4H-苯并硒基吡喃与二氧杂环丁烷单元集成而记录了长的近红外发射(> 750 nm)。笼罩具有不同可裂解部分的化学发光体会产生NIR化学发光探针(NCP),该探针仅在与活性氧或酶(例如β-半乳糖苷酶)反应时产生信号,组织穿透深度最高达2 cm。因此,