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    PVA nanocomposite hydrogel loaded with silver nanoparticles enriched Nigella sativa oil

    Year: 2022

    Journal: Inorg. Nano-Met. Chem., Volume 52, AUG 3, page 1134–1142

    Authors: Sharmin, Eram; Batubara, Afnan S.; Tamboosi, Bushra Abdulrahman; Al Khozay, Elaf Bander; Alamoudi, Maha Khalid; Al Aidaroos, Ohoud Zaki; Albenayan, Jana Abdullaziz; Lamfon, Majd Yousuf; Sindi, Afnan Abdulhamaid Hassan; Al-Madboly, Lamiaa A.; Shoeib, Nagwa A.; Alam, Manawwer

    Organizations: King Saud University, Deanship of Scientific Research (Riyadh, Saudi Arabia); King Saud University, College of ScienceResearch Center (Riyadh, Saudi Arabia)

    Keywords: PVA; Nigella sativa; hydrogel; antibacterial; silver nanoparticles

    Nigella sativa oil [NSO] was enriched with biosynthesized silver nanoparticles [NP] by simple, cost-effective, and less time-consuming Green Chemistry protocol. This combination [NSO/NP], on blending with PVA, produced transparent and foldable hydrogel film. The structure, morphology, hydrophilicity and thermal stability of hydrogel film confirmed the incorporation of inorganic NP in organic PVA matrix. FTIR spectrum of nanocomposite film revealed good interactions between PVA matrix, NP and NSO. SEM of PVA and NSO combination film exhibited lipidic NSO cloud-like phase (light grey) dispersed in PVA matrix (dark contrast), while in nanocomposite hydrogel film these lipidic clouds disappeared completely, and PVA matrix appeared donning a grey sheath. The nanocomposite film showed good folding endurance (> 300 folds) and antimicrobial behavior against Staphylococcus aureus (ATCC 25923), Enterococcus faecalis (ATTC 29212), Escherichia coli (ATCC 26922), Pseudomonas aeruginosa (ATCC 27853), Proteus mirabilis (ATCC 29906), Klebsiella pneumonia (MTCC109), Acinetobacter baumannii (NCTC 12156), and Candida albicans (ATCC90028) with prospective applications in antimicrobial packaging and wound dressings.
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