机械坚固的zwitterionic水凝涂层增强微凝,用于抗菌和抗凝剂应用
Haiyang Chai1, Kai Cheng2, Jiru Miao3
1Department of Neurosurgery, Ningbo No. 2 Hospital, Ningbo 315010, PR China; Laboratory of Advanced Theranostic Materials and Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, PR China; Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Ningbo Cixi Institute of Biomedical Engineering, Ningbo 315300, PR China; Cixi Biomedical Research Institute, Wenzhou Medical University, Ningbo 315300, PR China.
Colloids and surfaces. B, Biointerfaces
|January 10, 2026
概括
这项研究开发了一种强大的医疗器械水凝涂层,显著减少感染和血栓. 创新的微凝增强涂层提高了设备的安全性和性能 in vivo.
科学领域:
- 生物材料科学 生物材料科学
- 聚合物化学 聚合物化学
- 医疗设备工程 医疗设备工程
背景情况:
- 植入式医疗器械面临着来自医院感染和血栓形成的挑战.
- 传统的水凝缺乏机械强度和粘附性,限制了它们的使用.
- 需要先进的涂层来提高生物相容性并减少与设备相关的并发症.
研究的目的:
- 为植入式医疗器械开发一种机械坚固且多功能的水凝涂层.
- 为了增强水凝涂料的抗,抗菌和抗凝固特性.
- 解决传统水凝在机械强度和粘附性方面的局限性.
主要方法:
- 将维尼尔功能化的聚 ((N-异烯酸胺-协同烯酸) 微凝纳入聚硫乙烯水凝网络.
- 机械性能,摩擦系数和抗菌/抗血小板粘附的表征.
- 在体内评估抗凝剂性能,使用子 jugular 静脉模型.
主要成果:
- 微凝增强的水凝表现出更好的机械强度和能量消耗.
- 聚硫乙烯涂层显著降低了摩擦,并改善了抗菌和抗血小板性能.
- 含有抗菌素的微凝赋予了增强的抗菌功能,在体内得到验证.
结论:
- 这种多功能水凝涂层策略为植入式生物医学设备提供了一个有前途的解决方案.
- 开发的涂层增强了机械强度,抗菌性质和抗凝剂性能.
- 这种方法为更安全,更有效的医疗器械表面修改铺平了道路.
相关概念视频
Surface Membrane Barriers
The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
Waterproofing and Anti-Bacterial Admixtures in Concrete
Concrete's susceptibility to water absorption is due to the capillary action within the pores of its hydrated cement paste. This action draws water in, creating the need for waterproofing admixtures to prevent such penetration. The efficacy of these admixtures is contingent upon the water pressure, with variations arising from different conditions such as rain, capillary rise, or hydrostatic pressure in structures intended to hold water.
Waterproofing admixtures render concrete hydrophobic,...
Waterproofing admixtures render concrete hydrophobic,...
Microbial Corrosion
Microbiologically Influenced Corrosion (MIC) is a significant form of material degradation caused by the metabolic activities of microorganisms. This phenomenon poses substantial challenges across various industries, including oil and gas, maritime, and water treatment sectors.MIC occurs when microorganisms, such as bacteria, archaea, and fungi, colonize metal surfaces, forming biofilms that alter the local electrochemical environment. These biofilms can lead to the production of corrosive...


