贝塔化聚乙烯胺喷雾剂的抗病原性活性没有毒性
Selin S Suner1, Ramesh S Ayyala2, Nurettin Sahiner1,2,3
1Department of Chemistry, Faculty of Sciences, Canakkale Onsekiz Mart University Terzioglu Campus, Canakkale 17100, Turkey.
Biomedicines
|November 27, 2024
概括
贝塔化聚乙烯胺 (B-PEI) 是为了克服聚乙烯胺 (PEI) 的毒性而开发的,用于抗病原喷雾剂. 质子B-PEI表现出广泛的抗微生物和抗病毒活性,毒性显著降低.
科学领域:
- 聚合物化学和材料科学
- 开发抗微生物和抗病毒剂.
- 纳米技术和表面修饰
背景情况:
- 现有的抗病原喷雾剂面临的局限性包括毒性和狭窄的疗效.
- 聚乙烯胺 (PEI) 具有广泛的抗微生物特性,但有毒性.
- 需要更安全,更有效的抗病原体配方.
研究的目的:
- 合成贝塔化PEI (B-PEI) 以减少PEI的毒性.
- 通过质子化增强B-PEI的抗菌和抗病毒活性.
- 评估B-PEI作为一种无毒的抗病原喷雾剂的潜力.
主要方法:
- 化PEI (B-PEI) 的合成及其与酸,酸 (BA) 和HCl的质子化.
- 使用L929纤维细胞的细胞毒性评估.
- 使用微型,磁盘扩散,活力和粘附测试对抗菌,抗真菌和抗病毒 (SARS-CoV-2) 活动的评估.
主要成果:
- 与PEI不同的是,B-PEI及其质子化形式表现出极好的生物相容性 (>85%的细胞活力在1000μg/mL),不像PEI.
- 与BA和HCl的质子化显著提高了B-PEI的抗菌和抗真菌功效 (MBCs/MFCs为2.5-10 mg/mL).
- B-PEI-BA有效地消除了面具上的细菌和真菌活力和粘附,并显示出对SARS-CoV-2的强有力的抗病毒活性.
结论:
- 贝塔化成功降低了PEI固有的毒性.
- 用CA,BA和HCl对B-PEI进行质子化,提高了其广泛的抗微生物和抗病毒疗效.
- B-PEI-BA喷雾剂显示出作为一种安全有效的抗病原剂对抗细菌,真菌和病毒的巨大潜力.
更多相关视频
08:13Mitigation of Blood Borne Cell Attachment to Metal Implants through CD47-Derived Peptide Immobilization
Published on: December 3, 2020
4.6K
12:02An Efficient Method for the Synthesis of Peptoids with Mixed Lysine-type/Arginine-type Monomers and Evaluation of Their Anti-leishmanial Activity
Published on: November 2, 2016
12.0K
相关概念视频
Antimicrobial Effectiveness
2
The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
2
Hand hygiene
3.1K
Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
Hand washing...
Hand washing...
3.1K
