The fluorophores Xan-OH and Xan-OH/FBS,based on xanthene structure,possess an effective nearinfrared absorption,near-infraredⅡ(NIR-Ⅱ)fluorescent imaging ability,and excellent photothermal property.Xan-OH/FBS also ha...The fluorophores Xan-OH and Xan-OH/FBS,based on xanthene structure,possess an effective nearinfrared absorption,near-infraredⅡ(NIR-Ⅱ)fluorescent imaging ability,and excellent photothermal property.Xan-OH/FBS also has good viscosity-sensitivity,enabling the real-time in vivo visualization of acute liver injury induced by CCl_(4).Moreover,the photothermal conversion coefficient of Xan-OH and Xan-OH/FBS under 808 nm laser irradiation are significant(27.53%and 26.77%,respectively),which could realize NIR-Ⅱfluorescence imaging-guided photothermal therapy for He La xenograft tumor.Given these promising characteristics,Xan-OH/FBS is an efficient NIR-Ⅱfluorescent imaging agent for acute liver injury and a potential photothermal therapeutic agent for tumor.展开更多
基金supported by the National Natural Science Foundation of China(Nos.22067021,22367024,and 22267023)Innovation Team of Yunnan Education Department+1 种基金the“Youth Talent of Wan Ren Project”the Sichuan Science and Technology Program(No.2022YFS0633)。
文摘The fluorophores Xan-OH and Xan-OH/FBS,based on xanthene structure,possess an effective nearinfrared absorption,near-infraredⅡ(NIR-Ⅱ)fluorescent imaging ability,and excellent photothermal property.Xan-OH/FBS also has good viscosity-sensitivity,enabling the real-time in vivo visualization of acute liver injury induced by CCl_(4).Moreover,the photothermal conversion coefficient of Xan-OH and Xan-OH/FBS under 808 nm laser irradiation are significant(27.53%and 26.77%,respectively),which could realize NIR-Ⅱfluorescence imaging-guided photothermal therapy for He La xenograft tumor.Given these promising characteristics,Xan-OH/FBS is an efficient NIR-Ⅱfluorescent imaging agent for acute liver injury and a potential photothermal therapeutic agent for tumor.