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用于卫生目的的具有细菌抗粘附和防污性能的二氧化硅纳米颗粒注入型超疏水聚氨酯泡沫

Silica Nanoparticle-Infused Omniphobic Polyurethane Foam with Bacterial Anti-Adhesion and Antifouling Properties for Hygiene Purposes.

作者信息

Cho Dongik, Oh Jun Kyun

机构信息

Department of Polymer Science and Engineering, Dankook University, 152 Jukjeon-ro, Suji-gu, Yongin-si 16890, Gyeonggi-do, Republic of Korea.

出版信息

Nanomaterials (Basel). 2023 Jul 9;13(14):2035. doi: 10.3390/nano13142035.

DOI:10.3390/nano13142035
PMID:37513046
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10385342/
Abstract

In this study, a method for preventing cross-infection through the surface coating treatment of polyurethane (PU) foam using functionalized silica nanoparticles was developed. Experimental results confirmed that the fabricated PU foam exhibited omniphobic characteristics, demonstrating strong resistance to both polar and nonpolar contaminants. Additionally, quantitative analysis using the pour plate method and direct counting with a scanning electron microscope determined that the treated material exhibited anti-adhesion properties against bacteria. The fabricated PU foam also demonstrated a high level of resistance to the absorption of liquids commonly found in medical facilities, including blood, 0.9% sodium chloride solution, and 50% glycerol. Mechanical durability and stability were verified through repeated compression tests and chemical leaching tests, respectively. The proposed coated PU foam is highly effective at preventing fouling from polar and nonpolar fluids as well as bacteria, making it well-suited for use in a range of fields requiring strict hygiene standards, including the medical, food, and environmental industries.

摘要

在本研究中，开发了一种通过使用功能化二氧化硅纳米颗粒对聚氨酯（PU）泡沫进行表面涂层处理来防止交叉感染的方法。实验结果证实，制备的PU泡沫具有超疏液特性，对极性和非极性污染物均表现出很强的抵抗力。此外，使用倾注平板法进行定量分析并通过扫描电子显微镜直接计数确定，处理后的材料对细菌具有抗粘附性能。制备的PU泡沫还对医疗设施中常见的液体，包括血液、0.9%氯化钠溶液和50%甘油的吸收表现出高度抗性。分别通过反复压缩试验和化学浸出试验验证了机械耐久性和稳定性。所提出的涂覆PU泡沫在防止极性和非极性流体以及细菌污染方面非常有效，使其非常适合用于一系列需要严格卫生标准的领域，包括医疗、食品和环境行业。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/9328a183b3f5/nanomaterials-13-02035-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/f8321236f609/nanomaterials-13-02035-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/fafebca22333/nanomaterials-13-02035-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/8574c15c8096/nanomaterials-13-02035-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/600abc740f61/nanomaterials-13-02035-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/33447261fc8d/nanomaterials-13-02035-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/42b53eecc2cf/nanomaterials-13-02035-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/4f0848b2d2ac/nanomaterials-13-02035-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/8f4ba9669519/nanomaterials-13-02035-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/e88d3e0f9fe0/nanomaterials-13-02035-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/9328a183b3f5/nanomaterials-13-02035-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/f8321236f609/nanomaterials-13-02035-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/fafebca22333/nanomaterials-13-02035-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/8574c15c8096/nanomaterials-13-02035-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/600abc740f61/nanomaterials-13-02035-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/33447261fc8d/nanomaterials-13-02035-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/42b53eecc2cf/nanomaterials-13-02035-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/4f0848b2d2ac/nanomaterials-13-02035-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/8f4ba9669519/nanomaterials-13-02035-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/e88d3e0f9fe0/nanomaterials-13-02035-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9ede/10385342/9328a183b3f5/nanomaterials-13-02035-g010.jpg

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