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Articles

PVA nanocomposite hydrogel loaded with silver nanoparticles enriched Nigella sativa oil

ORCID Icon, ORCID Icon, , , , , , , , , & ORCID Icon show all
Pages 1134-1142 | Received 15 Dec 2020, Accepted 11 Jul 2021, Published online: 30 Aug 2021
 

Abstract

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.

Acknowledgments

Dr Manawwer Alam acknowledges the support provided by King Saud University, Deanship of Scientific Research, and College of Science—Research Center (Riyadh, Saudi Arabia). Authors are thankful to Dr. K.A.Khalik (Dept. of Botany, Faculty of Applied Sciences, Umm Al-Qura University) for identification of the plant used in research. Authors render special thanks to Dr M.A.Wahab (Associate Professor, Dept. of Pharmaceutics, College of Pharmacy, Umm Al-Qura University) for performing IR analysis of NSO and for timely provision of glasswares and chemicals. Principal Investigator, Dr Eram Sharmin (Associate Professor, Dept of Pharmaceutical Chemistry), and students Bushra, Elaf, Maha, Ohoud, Jana and Majd are grateful to the College for providing opportunity and facilities to carry out this research work, for the Course of Research Project (under the Bachelor of Pharmacy Program), in the College of Pharmacy, at Umm Al-Qura University, Makkah, Saudi Arabia.

Declaration of interests

No potential conflict of interest was reported by the authors.

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