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可注射的pH和超声响应的双交联德克斯/奇托/TiO₂纳米复合物凝用于抗菌应用

Chen-Jie Yan¹, Su-Rung Yang¹, Yi-Cheun Yeh¹

¹Institute of Polymer Science and Engineering, National Taiwan University, Taipei, 106319, Taiwan.

Chemistry, an Asian journal

|May 23, 2024

概括

这项研究开发了新型可注射纳米复合物水凝,它结合了自我愈合和双刺激反应,用于增强抗菌疗法. 这些先进的材料显示出生物医学应用的巨大潜力.

科学领域:

生物材料科学生物材料科学
纳米技术纳米技术
药物运输药物运输药物运输

背景情况:

结合外源和内源抗菌机制可以改善治疗结果.
开发先进的抗菌材料对于对抗感染至关重要.
可注射和响应刺激的水凝为生物医学应用提供了多功能平台.

研究的目的:

构建创新的外源和内源抗菌纳米复合物水凝.
创建可注入的双交联网络,具有双刺激响应能力.
研究开发的水凝的抗菌疗效和可调节性质.

主要方法:

使用功能化德克斯 (NorAld-Dex) 和通过 imine 键通过四分化奇托 (QCS) 制造双交联的水凝网络.
通过超声波激活的 - 二氧化物反应,整合化二氧化物纳米颗粒 (TiO2@MS-SH).
水凝微结构和性能的表征,通过超声波时间进行微调.

主要成果:

这些水凝表现出自我愈合,可注射性和pH响应性,这是由于 imine 键网络.
超声波辐射促进了二次网络的形成,允许微观结构调整.
在低pH下观察到有效的抗菌性能,这归因于水凝解离,QCS质子化和来自TiO2@MS-SH纳米粒子的ROS生成的协同效应.

结论:

诺尔德德克斯/QCS/TiO2@MS-SH纳米复合物水凝是一种先进的双刺激反应抗菌平台.
可定制的微观结构和特性增强了其生物医学应用的潜力.
这种创新的水凝为开发有效的抗菌疗法提供了一个有前途的战略.

关键词:

纳米颗粒纳米颗粒有机-无机混合复合材料有机-无机混合复合材料激进反应是一种激进的反应.船舶基地是船舶的基地.

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