对于光热增强化学动力协同能瘤治疗的NIR-II响应性Fe合碳纳米粒子
Xingyu Wang1,2, Tianwei Song3,4, Xianli Wu2,5
1University of Science and Technology of China, Hefei 230026, China.
ACS applied materials & interfaces
|August 22, 2024
概括
化碳纳米颗粒显示出对癌症治疗的前景. 这些纳米粒子结合光热和化学动力疗法,在临床前研究中有效杀死癌细胞,毒性最小.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术纳米技术
- 在瘤学瘤学.
背景情况:
- 光疗正在使用第二次近红外 (NIR-II) 窗口来提高组织透率和减少副作用.
- 开发新型纳米材料对于提高癌症治疗疗效至关重要.
研究的目的:
- 合成和评估Fe-doped碳纳米粒子 (FDCNs) 用于联合光热疗法 (PTT) 和化学动力疗法 (CDT) 在癌症治疗中.
- 调查FDCN的协同治疗效果和安全概况.
主要方法:
- 通过一式热水法合成FDCN.
- 纳米颗粒的中孔结构和尺寸分布 (>225 nm) 的特征.
- 在体外和体内,FDCN的抗癌活性使用PTT和CDT组合进行了评估.
主要成果:
- 由于其半孔纳米结构,FDCN表现出有效的酸化.
- 从FDCN释放的铁离子催化了H2O2分解为CDT的基.
- 在1064nm时,FDCN实现了36.3%的光热转换效率,使PTT成为可能.
- PTT和CDT之间的协同作用显著增强了癌细胞的根除.
- 在细胞和动物模型中,FDCN表现出显著的抗癌活性,具有低系统毒性.
结论:
- FDCNs是PTT和CDT组合的有前途的超神学代理.
- 使用FDCNs的双模治疗方法为癌症治疗提供了一个强有力的策略.
- 在临床应用中,FDCN具有出色的生物相容性和治疗潜力.
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