%0 Journal Article
%T Highly photostable croconium dye-anchored cell membrane vesicle for tumor pH-responsive duplex imaging-guided photothermal therapy.
%A Gao X
%A Jiang S
%A Li C
%A Chen Y
%A Zhang Y
%A Huang P
%A Lin J
%J Biomaterials
%V 267
%N 0
%D 01 2021
%M 33160122
%F 15.304
%R 10.1016/j.biomaterials.2020.120454
%X The development of tumor acidic microenvironment-responsive theranostic agents is a research hotspot. Herein, we developed highly photostable amphiphilic croconium dye-anchored red blood cell membrane vesicle (denoted as LET-5) for tumor pH-responsive near-infrared fluorescence (NIRF) and photoacoustic (PA) duplex imaging-guided photothermal therapy. In tumor acidic microenvironment, both NIRF and PA signals of LET-5 were significantly enhanced and the photothermal effect of LET-5 was activated. Notably, cell membrane-based vesicle with enhanced stability and long blood circulation significantly improved the tumor accumulation of croconium dye, thus achieving better therapeutic effect than free croconium dye. These findings provide a promising approach to construct amphiphilic dye-anchored cell membrane vesicle for cancer theranostics.