Fabrication and evaluation of polyurethane cationic surfactants, and their potential on silver nanoparticles stability, surface activity, and biological activity

Q1 Earth and Planetary Sciences
Nasser R. Abd El-Rahman , Mahmoud Bekhit , Mohamed Fekry
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引用次数: 3

Abstract

The aggregation behavior and stability of silver nanoparticles (AgNs) are important considerations when exposed to various environments. AgNs have significant interests due to their unique properties. The cationic polymeric surfactants were investigated to coat or cape AgNs with a semi-permeable layer. Using Fourier Transform Infrared Spectroscopy and Gel permission chromatograph, the chemical structures were verified. Through the use of transmission electron microscopy, ultraviolet spectroscopy, particle size distribution, zeta potential, surface activities, and anti-bacterial activity, the produced cationic PUQOS and PUQLS surfactants containing silver nanoparticles were assessed. The results indicate that silver nanoparticles were stabilized in solution for seven days without aggregation using the prepared surfactants by coating their surfaces. The coating processes altered the zeta potential. The prepared polymeric surfactants with silver nanodispersion demonstrated practical activities against various standard G (+ve) and G (−ve) bacteria, yeast, and fungi.

聚氨酯阳离子表面活性剂的制备、评价及其对银纳米粒子稳定性、表面活性和生物活性的影响
银纳米粒子(AgNs)的聚集行为和稳定性是暴露在各种环境下的重要考虑因素。由于其独特的性质,agn具有重要的研究价值。研究了阳离子高分子表面活性剂在agn表面包裹半透层的作用。利用傅里叶变换红外光谱和凝胶许可色谱仪对其化学结构进行了验证。通过透射电镜、紫外光谱、粒径分布、zeta电位、表面活性、抗菌活性等指标,对制备的含银纳米粒子的阳离子型PUQOS和PUQLS表面活性剂进行了评价。结果表明,在所制备的表面活性剂的作用下,银纳米粒子在溶液中稳定了7天而不聚集。涂层过程改变了zeta电位。所制备的银纳米分散体聚合物表面活性剂对各种标准G (+ve)和G (- ve)细菌、酵母和真菌具有实际活性。
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来源期刊
Egyptian Journal of Petroleum
Egyptian Journal of Petroleum Earth and Planetary Sciences-Geochemistry and Petrology
CiteScore
7.70
自引率
0.00%
发文量
29
审稿时长
84 days
期刊介绍: Egyptian Journal of Petroleum is addressed to the fields of crude oil, natural gas, energy and related subjects. Its objective is to serve as a forum for research and development covering the following areas: • Sedimentation and petroleum exploration. • Production. • Analysis and testing. • Chemistry and technology of petroleum and natural gas. • Refining and processing. • Catalysis. • Applications and petrochemicals. It also publishes original research papers and reviews in areas relating to synthetic fuels and lubricants - pollution - corrosion - alternate sources of energy - gasification, liquefaction and geology of coal - tar sands and oil shale - biomass as a source of renewable energy. To meet with these requirements the Egyptian Journal of Petroleum welcomes manuscripts and review papers reporting on the state-of-the-art in the aforementioned topics. The Egyptian Journal of Petroleum is also willing to publish the proceedings of petroleum and energy related conferences in a single volume form.
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