White light-excited organic room-temperature phosphorescence for improved in vivo bioimaging.

ABSTRACT: Organic phosphorescence materials offer significant advantages for bioimaging applications. However, most of these materials are excited exclusively by ultraviolet (UV) light, which poses risks to living organisms. Herein, six donor-acceptor-type compounds incorporating triazine groups are designed as guests within doped systems. White-light excitable phosphorescent guests enable doped materials to show efficient afterglow under white-light excitation. By leveraging the ability of white-light to penetrate biological tissues, a bioimaging mode in which the materials are first concentrated within the organism and then excited was developed, yielding superior imaging effects compared with the traditional method in which materials are first excited and then concentrated. Furthermore, these mat

SUBMITTER: Zhang L 

PROVIDER: S-EPMC12037864 | biostudies-literature | 2025 Apr

REPOSITORIES: biostudies-literature