Enhancement of Antifouling and Antibacterial Properties of Biosynthesis Silver Nanoparticles from Parkia speciosa (Stink Bean) Polysulfone Mixed Matrix Membrane

IF 2.2 4区工程技术 Q1 MATERIALS SCIENCE, TEXTILES

Fibers and Polymers Pub Date : 2025-04-17 DOI:10.1007/s12221-025-00925-0

Faiz Hafeez Azhar, Zawati Harun, Khairul Nazri Yusof, Siti Aida Ibrahim, Rosniza Hussin, Hatijah Basri, Siti Salwa Alias, Nur Hanis Hayati Hairom

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引用次数: 0

Abstract

Green biosynthesis of silver nanoparticles (bio-AgNPs) provides an eco-friendly and effective approach to enhance the antibacterial performance and biofouling resistance of mixed-matrix membranes (MMMs). In this study, bio-AgNPs were synthesized using Parkia speciosa (Stink Bean) leaf extract as a reducing agent for silver nitrate and were incorporated into polysulfone (PSf) MMM to create bio-AgNP/PSf MMM. The antibacterial and antifouling properties of the bio-AgNP/PSF MMMs were compared with those of pristine PSf membranes and commercial AgNP/PSF MMMs. As a result, bio-AgNPs significantly increased hydrophilicity with contact angles of 65°, compared to 67° for AgNP/PSF MMM and 88° for the pristine PSf membrane. Surface roughness increased to 26.09 nm (bio-AgNP/PSf MMM) and 25.27 nm (AgNP/PSf MMM) from 3.73 nm (pristine). Meanwhile, pure water flux (PWF) results showed that bio-AgNP/PSf MMM achieved 248.7 L (m² h)⁻¹, compared to 239.5 L (m² h)⁻¹ for AgNP/PSf MMM and 84.2 L (m² h)⁻¹ for pristine PSf membrane. The rejection rates were 98% for the bio-AgNP/PSF MMM and 97% for the AgNP/PSF MMM. The bio-AgNPs/PSf MMM produced a larger inhibition zone (> 6 nm) against Escherichia coli (E. coli) than AgNPs/PSf MMM (< 6 nm), which was attributed to flavonoids enhancing the antibacterial properties. Both MMMs showed a flux recovery ratio (FRR) exceeding 80% after physical cleaning and 98% after chemical cleaning, indicating that bio-AgNP incorporation significantly improved the antibacterial and antifouling properties of MMMs.

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臭豆聚砜混合基质膜生物合成纳米银的防污抑菌性能

绿色生物合成纳米银粒子（bio-AgNPs）为提高混合基质膜（MMMs）的抗菌性能和抗生物污垢性能提供了一种环保有效的方法。本研究以臭豆叶提取物为还原剂合成了生物agnp，并将其掺入聚砜（PSf） MMM中制备了生物agnp /PSf MMM。将生物AgNP/PSF膜的抗菌和防污性能与原始PSF膜和市售AgNP/PSF膜进行了比较。结果，生物agnps显著提高亲水性，接触角为65°，而AgNP/PSF MMM为67°，原始PSF膜为88°。表面粗糙度从3.73 nm（原始）增加到26.09 nm（生物AgNP/PSf MMM）和25.27 nm （AgNP/PSf MMM）。同时，纯水通量（PWF）结果表明，生物AgNP/PSf MMM达到248.7 L (m2 h)−1，而AgNP/PSf MMM为239.5 L (m2 h)−1，原始PSf膜为84.2 L (m2 h)−1。生物AgNP/PSF MMM的排斥率为98%，AgNP/PSF MMM的排斥率为97%。与AgNPs/PSf MMM （< 6 nm）相比，生物AgNPs/PSf MMM对大肠杆菌的抑制范围更大（> 6 nm），这归因于黄酮类化合物增强了抗菌性能。两种MMMs经物理清洗后的通量回收率均超过80%，经化学清洗后的通量回收率均超过98%，表明生物agnp的掺入显著提高了MMMs的抗菌和防污性能。

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来源期刊

Fibers and Polymers 工程技术-材料科学：纺织

CiteScore

3.90

自引率

8.00%

发文量

267

审稿时长

3.9 months

期刊介绍： -Chemistry of Fiber Materials, Polymer Reactions and Synthesis- Physical Properties of Fibers, Polymer Blends and Composites- Fiber Spinning and Textile Processing, Polymer Physics, Morphology- Colorants and Dyeing, Polymer Analysis and Characterization- Chemical Aftertreatment of Textiles, Polymer Processing and Rheology- Textile and Apparel Science, Functional Polymers