Fucoidan-coated cotton dressing functionalized with biomolecules capped silver nanoparticles (LB-Ag NPs–FN–OCG) for rapid healing therapy of infected wounds

褐藻糖胶 微生物学 纳米颗粒 肠沙门氏菌 抗菌活性 肉芽组织 金黄色葡萄球菌 伤口愈合 化学 银纳米粒子 细胞毒性 纳米技术 材料科学 细菌 多糖 大肠杆菌 生物 体外 生物化学 免疫学 基因 遗传学
作者
Kandasamy Saravanakumar,Zijun Li,Yebon Kim,SeonJu Park,Keon Kim,Chang‐Min Lee,Ginnae Ahn,Namki Cho
出处
期刊:Environmental Research [Elsevier BV]
卷期号:246: 118004-118004 被引量:11
标识
DOI:10.1016/j.envres.2023.118004
摘要

The colonization of pathogenic microbes poses a significant clinical barrier that hinders the physiological wound-healing process. Addressing this challenge, we developed a novel wound dressing using a modified cotton gauze dressing coated with fucoidan and functionalized with silver nanoparticles (LB-Ag NPs-FN-OCG) for the rapid treatment of infected wounds. Firstly, phytochemical-capped LB-Ag NPs were synthesized and characterized using high performance liquid chromatography (HPLC), transmission electron microscopy (TEM), and zeta potential analysis. Secondly, different concentrations of LB-Ag NPs (0.1%-1%) were functionalized into FN-OCG to identify appropriate concentrations that were non-toxic with superior antibacterial activities. Screening assays, including antibacterial, hemolysis, chick chorioallantoic membrane (CAM) assay, and cytotoxicity assay, revealed that LB-Ag NPs (0.5%)-FN-OCG were non-toxic and demonstrated greater efficiency in inhibiting bacterial pathogens (Escherichia coli, Salmonella enterica, Staphylococcus aureus, and Listeria monocytogenes) and promoting fibroblast cell (NIH3T3) migration. In vivo assays revealed that LB-Ag NPs (0.5%)-FN-OCG treatment exhibited excellent wound healing activity (99.73 ± 0.01%) compared to other treatments by inhibiting bacterial colonization, maintaining the blood parameters, developing granulation tissue, new blood vessels, and collagen deposition. Overall, this study highlights that LB-Ag NPs (0.5%)-FN-OCG serve as a antibacterial wound dressing for infected wound healing applications.
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