银结合聚原固定棉织物表现出耐用和高效的抗菌特性
Jianbin Zhen1,2, Aimin Sun2, Long Yang2
1Department of Materials Engineering, Taiyuan Institute of Technology, Taiyuan 030008, China.
ACS omega
|August 18, 2025
概括
这项研究开发了一种新的抗菌棉织物 (C-Arg@Ag) 通过结合聚氨酸和银纳米粒子. 这种织物表现出强大,持久的抗菌性质和生物医疗织品的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 生物医学工程 生物医学工程
- 织品化学 织品化学
背景情况:
- 棉织物提供了优良的湿度和热管理,但可以容纳微生物.
- 抗生素耐药性的上升需要新的抗菌材料,以确保健康和安全.
研究的目的:
- 使用聚氨酸和银纳米粒子创建一个耐用,有效的抗菌棉织物.
- 评估新型织物的抗菌疗效,耐用性和生物相容性.
主要方法:
- 聚氨酸通过自由基聚合物化对棉花的共价定.
- 通过协调键将银纳米颗粒连接到聚氨改性棉花上.
- 对抗菌活性,膜损伤和细胞毒性进行生物测试.
- 洗试验,以评估耐用性.
主要成果:
- 该C-Arg@Ag织物表现出快速和强大的抗菌活性,在4小时内实现了90%的细菌减少.
- 观察到细菌膜损伤,这表明诱导耐药性的潜力很低.
- 织物在50次洗后保持了80%的杀菌率,这表明它的耐用性很高.
- 该材料呈现的细胞毒性微不足道,并保持了高的高透性,对抗拉强度的影响最小.
结论:
- 开发的C-Arg@Ag织物为控制织品上的微生物生长提供了一个有希望的解决方案.
- 它的耐用抗菌特性,生物相容性和保留的织物特性使其适用于生物医学织应用.
相关概念视频
Antimicrobial Proteins
5.1K
Antimicrobial proteins are important components of the immune system. They aid the body in combating pathogens by either killing them directly or hindering their replication processes. Four main types of antimicrobial substances are interferons, the complement system, iron-binding proteins, and antimicrobial proteins.
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
5.1K
Aryldiazonium Salts to Azo Dyes: Diazo Coupling
3.1K
The reaction of weakly electrophilic aryldiazonium (also called arenediazonium) salts with highly activated aromatic compounds leads to the formation of products with an —N=N— link, called an azo linkage. This reaction, presented in Figure 1, is known as diazo coupling and occurs without the loss of the nitrogen atoms of the aryldiazonium salt. Highly activated aromatic compounds such as phenols or arylamines favor the diazo coupling reaction. The coupling generally occurs at the...
3.1K
Surface Membrane Barriers
1.5K
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...
1.5K
Antimicrobial Effectiveness
156
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...
156


