通过微芯片电制备的充满活益生菌的伤口基质
Oksana Gerulis1, Georg-Marten Lanno1,2, Marta Putrinš1
1Institute of Pharmacy, University of Tartu, Nooruse 1, 50411, Tartu, Estonia.
Materials today. Bio
|October 27, 2025
概括
研究人员开发了一种新的微芯片电技术,用于制造带有益生菌的纤维,用于治疗伤口. 这种创新方法封装了活细菌,保留了它们的抗微生物特性,以便在慢性伤口中有效地输送药物.
科学领域:
- 生物技术是生物技术.
- 材料科学 材料科学 材料科学
- 微流体学 微流体学
背景情况:
- 活生物治疗产品显示出治疗皮肤疾病的前景,如阿托皮炎,和慢性伤口.
- 有效的封装方法对于在恶劣环境中保持益生菌生存能力至关重要.
- 现有的方法需要进一步的创新,将益生菌整合到功能性传递系统中.
研究的目的:
- 开发一种创新的微芯片电技术,用于创建活体生物治疗产品输送系统.
- 在微囊中封装活跃的益生菌细菌,然后在电纤维中封装.
- 评估封装益生菌用于治疗伤口感染的功能和抗菌活性.
主要方法:
- 开发一个微芯片电系统,将微流体和电结合起来.
- 在电过程中将益生菌细菌封装成微囊.
- 使用共聚焦显微镜和光染色对益生菌存在和活力的表征.
- 通过对伤口病原体的阿加覆盖试验对抗抗菌活性的评估.
主要成果:
- 成功制造含有可活的,封装的益生菌细菌的疏水性纤维矩阵.
- 在纤维中确认益生菌存在,平均度为10^6细菌/cm^2.2.
- 证明封装的益生菌保留了对伤口病原体的抗菌功能.
- 通过纤维孔的双向扩散的证据,支持细菌活力和物质交换.
结论:
- 开发的微芯片电技术有效地产生带有益生菌的纤维基.
- 这些矩阵保持益生菌活力和抗菌活性,适用于伤口愈合应用.
- 该系统显示出作为治疗伤口感染的新型药物输送系统的潜力.
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