Fabrication of Highly Stable Polyurushiol-Decorated Silver Nanoparticles and Evaluation of Their Antibacterial and Anti-Microalgae Activities

IF 3.9 3区化学 Q2 POLYMER SCIENCE

Journal of Inorganic and Organometallic Polymers and Materials Pub Date : 2024-08-07 DOI:10.1007/s10904-024-03313-y

Lu Zheng, Jide Zhu, Jipeng Chen, Yanlian Xu, Lilong Jiang

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Abstract

The performance of silver nanoparticles (AgNPs) as highly efficient antimicrobial agents is limited by their agglomeration and instability. Environmentally friendly silver-based nanomaterials have attracted considerable attention, owing to the superior dispersion and antibacterial activity of AgNPs. In this work, polyurushiol (PUL) was used to modify an AgNPs-based material and prepare PUL-decorated AgNPs (PUL-AgNPs). The stability and dispersion of the composites varied with the reaction conditions. The PUL-AgNPs material showed higher antibacterial activity than the AgNPs, with minimum inhibitory concentration (MIC) values against E. coli and S. aureus of 3.13 mg/L (p < 0.01) and 6.25 mg/L (p < 0.01), respectively. PUL-AgNPs also showed inhibitory potential against three microalgae, P. tricornutum, I. zhanjiangensis, and N. closterium. The 72-h LC50 values of PUL-AgNPs for the three algae were 1.95, 1.89, and 4.07 mg/L, respectively. This study shows the promising potential of PUL-AgNPs for antibacterial and anti-microalgae applications, especially for marine antifouling.

Graphical Abstract

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制备高稳定性聚脲酚蜕变银纳米粒子并评估其抗菌和抗微藻活性

银纳米粒子（AgNPs）作为高效抗菌剂的性能受到其团聚和不稳定性的限制。由于 AgNPs 具有优异的分散性和抗菌活性，因此环境友好型银基纳米材料备受关注。在这项研究中，利用聚脲酚（PUL）对银基纳米材料进行改性，制备了聚脲酚装饰的银基纳米粒子（PUL-AgNPs）。复合材料的稳定性和分散性随反应条件而变化。PUL-AgNPs 材料显示出比 AgNPs 更高的抗菌活性，对大肠杆菌和金黄色葡萄球菌的最小抑菌浓度 (MIC) 值分别为 3.13 mg/L (p < 0.01) 和 6.25 mg/L (p < 0.01)。PUL-AgNPs 对三种微藻，即三尖杉藻、湛江藻和梭子蟹藻也有抑制潜力。PUL-AgNPs 对这三种藻类的 72 小时半致死浓度分别为 1.95、1.89 和 4.07 毫克/升。这项研究表明，PUL-AgNPs 在抗菌和抗微藻方面具有广阔的应用前景，尤其是在海洋防污方面。图文摘要

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来源期刊

Journal of Inorganic and Organometallic Polymers and Materials 化学-高分子科学

CiteScore

8.30

自引率

7.50%

发文量

335

审稿时长

1.8 months

期刊介绍： Journal of Inorganic and Organometallic Polymers and Materials [JIOP or JIOPM] is a comprehensive resource for reports on the latest theoretical and experimental research. This bimonthly journal encompasses a broad range of synthetic and natural substances which contain main group, transition, and inner transition elements. The publication includes fully peer-reviewed original papers and shorter communications, as well as topical review papers that address the synthesis, characterization, evaluation, and phenomena of inorganic and organometallic polymers, materials, and supramolecular systems.

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Silver nitrate