自组装基托桑基注射和扩展海绵具有抗菌性质,用于血液静止和伤口愈合
Shujun Cao1, Peihong Ji1, Lili Hao1
1Research Institute for Biomaterials, Tech Institute for Advanced Materials, Bio-inspired Biomedical Materials & Devices Center, College of Materials Science and Engineering, Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Suqian Advanced Materials Industry Technology Innovation Center, Nanjing Tech University, Nanjing 211816, China.
Carbohydrate polymers
|November 1, 2024
概括
研究人员使用自组装开发了一种可注射的基托桑海绵,避免了用于血液静止和伤口愈合的恶劣化学品. 这种可扩展材料具有抗菌性质和形状记忆,可用于改善临床应用.
科学领域:
- 生物材料科学 生物材料科学
- 再生医学是一种再生医学.
- 聚合物化学 聚合物化学
背景情况:
- 由于生物相容性,基托桑及其衍生物对血液静止,抗生素和伤口修复有价值.
- 传统的基托基材料往往需要化学交叉连接剂或复杂的过程,限制临床使用.
- 需要更简单,更安全,更有效的基托桑基伤口带.
研究的目的:
- 使用绿色自组装方法开发可注射和可扩展的酸盐海绵.
- 为了创建一种无酸残留和化学交叉连接剂的基托桑基材料.
- 为了评估新型海绵的静血,抗菌和形状记忆特性.
主要方法:
- 通过基托 (CS) 和四分化基托 (QCS) 的自组装构建了一个可注射和可扩展的海绵.
- 在中性条件下利用CS分子之间的键作为交联机制.
- 引入QCS来调节结合并防止过度聚合,随后进行冷干燥.
- 研究了海绵的可扩展性,可注射性,水/血液触发的形状记忆,以及抗菌功效.
主要成果:
- 通过方便和绿色的自组装工艺成功制造出一个多孔的QCS/CS海绵.
- 这个海绵表现出高扩展性,注射性和水/血液触发的形状记忆.
- 加入QCS赋予了海绵对伤口病原体具有显著的抗菌特性.
- 开发的材料避免了酸保留和化学交叉连接剂的引入,提高了其安全性.
结论:
- 可注射和可扩展的QCS/CS海绵为传统的基托伤口带提供了一个有前途的替代品.
- 绿色自组装方法为准备先进的伤口愈合材料提供了可扩展和临床相关的方法.
- 这种新型生物材料具有提高抗菌保护的有效血液静止和伤口修复的潜力.
相关概念视频
00:57Antibiotic Selection
49.0K
Overview
49.0K
01:02Long-patch Base Excision Repair
6.3K
Since the discovery of the two BER pathways, there has been a debate about how a cell chooses one pathway over the other and the factors determining this selection. Numerous in vitro experiments have pointed out multiple determinants for the sub-pathway selection. These are:
6.3K
01:27Combined Effects of Drugs: Synergism
6.4K
Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
Such synergistic combinations...
Such synergistic combinations...
6.4K
01:13Special Staining Techniques
1.7K
Specialized staining techniques play a vital role in microbiology by enabling the visualization of specific bacterial structures that remain undetectable with standard microscopy methods. These techniques not only enhance the structural visualization of bacterial cells but also provide critical insights into their pathogenicity and classification. Additionally, they support diagnostic and research endeavors in microbiology by identifying key bacterial features.Capsule Staining for Virulence...
1.7K
01:23Inhibitors of Gram-positive Cell Wall Synthesis
216
Bacterial cell walls are typically rigid structures composed mainly of peptidoglycan, a mesh-like polymer that provides mechanical strength and maintains cell shape. The synthesis of peptidoglycan is a crucial process in bacterial growth and serves as a primary target for many antibiotics.Mechanism of Action of Beta-Lactam AntibioticsBeta-lactam antibiotics, such as penicillin, inhibit peptidoglycan synthesis in actively growing cells. These antibiotics share a characteristic four-membered...
216