Antimicrobial Activity of Polycaprolactone Nanofiber Coated with Lavender and Neem Oil Nanoemulsions against Airborne Bacteria.

IF 3.3 4区工程技术 Q2 CHEMISTRY, PHYSICAL Membranes Pub Date : 2024-01-29 DOI:10.3390/membranes14020036

Md Mahfuzur Rahman, Hari Kotturi, Sadegh Nikfarjam, Kanika Bhargava, Nagib Ahsan, Morshed Khandaker

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Abstract

The development of efficient, eco-friendly antimicrobial agents for air purification and disinfection addresses public health issues connected to preventing airborne pathogens. Herein, the antimicrobial activity of a nanoemulsion (control, 5%, 10%, and 15%) containing neem and lavender oils with polycaprolactone (PCL) was investigated against airborne bacteria, including Escherichia coli, Bacillus subtilis, and Staphylococcus aureus. Various parameters such as the physicochemical properties of the nanoemulsion, pH, droplet size, the polydispersity index (PDI), the minimum inhibitory concentration (MIC), the minimum bacterial concentration (MBC), and the color measurement of the emulsion have been evaluated and optimized. Our results showed that the antimicrobial activity of PCL combined with neem and lavender oil was found to be the highest MIC and MBC against all tested bacteria. The droplet sizes for lavender oil are 21.86-115.15 nm, the droplet sizes for neem oil are 23.92-119.15 nm, and their combination is 25.97-50.22 nm. The range of pH and viscosity of nanoemulsions of various concentrations was found to be 5.8 to 6.6 pH and 0.372 to 2.101 cP. This study highlights the potential of nanotechnology in harnessing the antimicrobial properties of natural essential oils, paving the way for innovative and sustainable solutions in the fight against bacterial contamination.

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涂有薰衣草和印度楝树油纳米乳液的聚己内酯纳米纤维对空气传播细菌的抗菌活性

开发用于空气净化和消毒的高效、生态友好型抗菌剂可解决与预防空气传播病原体有关的公共卫生问题。本文研究了含有印楝油和薰衣草油以及聚己内酯（PCL）的纳米乳液（对照组、5%、10% 和 15%）对空气传播细菌（包括大肠杆菌、枯草杆菌和金黄色葡萄球菌）的抗菌活性。对纳米乳液的理化性质、pH 值、液滴大小、多分散指数（PDI）、最小抑菌浓度（MIC）、最小细菌浓度（MBC）和乳液颜色测量等各种参数进行了评估和优化。结果表明，PCL 与印楝油和薰衣草油的抗菌活性对所有测试细菌的 MIC 和 MBC 都是最高的。薰衣草油的液滴尺寸为 21.86-115.15 nm，印楝油的液滴尺寸为 23.92-119.15 nm，它们的组合尺寸为 25.97-50.22 nm。不同浓度的纳米乳液的 pH 值和粘度范围分别为 5.8 至 6.6 pH 值和 0.372 至 2.101 cP。这项研究凸显了纳米技术在利用天然精油的抗菌特性方面的潜力，为抗击细菌污染的创新和可持续解决方案铺平了道路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Membranes Chemical Engineering-Filtration and Separation

CiteScore

6.10

自引率

16.70%

发文量

1071

审稿时长

11 weeks

期刊介绍： Membranes (ISSN 2077-0375) is an international, peer-reviewed open access journal of separation science and technology. It publishes reviews, research articles, communications and technical notes. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. Full experimental and/or methodical details must be provided.