来自J聚合染料的纳米组件:适用于生物系统的刺激响应工具
Meihui Su1,2, Shuoxin Li1,2, Hao Zhang1
1State Key Laboratory of Medicinal Chemical Biology , Nankai University , Tianjin 300071 , P. R. China.
Journal of the American Chemical Society
|December 15, 2018
概括
研究人员使用双块共聚物和刺激反应性染料开发了水稳定的J聚合染料纳米组件. 这些纳米组件通过激活单片氧的产量来响应过氧化,从而实现有针对性的光动力学治疗.
科学领域:
- 材料科学
- 纳米技术
- 生物医学工程
背景情况:
- 控制染料包装安排调节用于传感应用的光物理性质.
- 开发响应刺激的纳米材料对于向疗法至关重要.
研究的目的:
- 创建水稳定的J聚合染料模板纳米组件.
- 开发一种对光动力学除的刺激反应系统.
主要方法:
- 使用了一种两性双块共聚物 (PEG-PCL) 和一种替代二甲基 (BODIPY) 染料.
- 形成的核心外纳米板,在PEG外中堆叠的BODIPY.
- 利用过氧酸触发的降低染料重组和单片氧激活.
主要成果:
- 在细胞培养基中获得稳定的J-聚合纳米组件.
- 经过过氧化暴露后对刺激有反应的单片氧产量.
- 已成功进行激活RAW 264.7细胞的光动态切除.
结论:
- 提出了水稳定性J聚合染料纳米组件的一般策略.
- 确立了可激活刺激的光敏感性机制,用于向治疗.
- 生物研究和临床应用中的光功能工具的扩展设计原则.
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