在catanionic长链离子液体系统中蛋白质 - 囊泡相互作用的静电控制:从人类血清白蛋白的见解
Raju Sardar1, Soumili Dutta1, Soumen Ghosh1
1Centre for Surface Science, Physical Chemistry Section, Department of Chemistry, Jadavpur University, Kolkata-700032, India. gsoumen70@hotmail.com.
Physical chemistry chemical physics : PCCP
|January 23, 2026
概括
表面活性离子液体 (SAIL) 囊泡在药物输送方面表现有前途. 富含阳离子的囊泡保持了蛋白质的结构和稳定性,使它们成为注射药物输送系统 (DDS) 的理想选择,与富含阳离子的囊泡不同.
科学领域:
- 超分子化学 超分子化学
- 材料科学 材料科学 材料科学
- 生物医学工程 生物医学工程
背景情况:
- 像囊泡这样的软纳米系统对于药物和生物分子的输送至关重要,因为它们具有可调节的特性.
- 基于表面活性离子液 (SAIL) 的囊泡越来越多地用于基因疗法,催化和药物输送.
研究的目的:
- 为了比较研究和离子丰富的SAIL囊泡与模型蛋白 (HSA) 的相互作用.
- 阐明蛋白质 - 囊泡相互作用对潜在药物输送应用的结构和稳定性影响.
主要方法:
- 使用了物理化学,光谱学,热力学和形态学分析.
- 技术包括光光谱学,动态光散射 (DLS),传输电子显微镜 (TEM) 和循环二元化 (CD) 分析.
- 用泽塔电位测量来评估静电相互作用.
主要成果:
- 富含阳离子的囊泡保留了HSA的三级和二级结构,在添加蛋白质时显示出显著的体积扩张.
- 富含阳离子的囊泡导致HSA变性和囊泡分解,通过CD观察到的结构变化最小.
- 静电吸引控制了阴离子囊中的蛋白质吸附,而排斥导致了阴离子囊中的不稳定.
结论:
- 富含阳离子的SAIL囊泡为蛋白质加载提供了一个稳定的平台,在注射药物输送系统 (DDS) 中保持了囊泡和蛋白质完整性.
- 由于结构不稳定,富含阳离子的囊泡不适合提供蛋白质.
- 这些发现为设计稳定的基于SAIL的纳米载体提供了框架,以提高蛋白质稳定性和药物输送.
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