Preparation and antimicrobial activity of ZnO-NPs coated cotton/starch and their functionalized ZnO-Ag/cotton and Zn(II) curcumin/cotton materials

ZnO-NPs coated cotton or starched cotton fibers were successfully prepared via ultrasound irradiation. Different concentrations of soluble corn starch (1–3 starch wt.%) were used to stabilize ZnO-NPs onto the surface of cotton fabrics as entrapped species. The use of none-toxic biocompatible starch...

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Bibliographic Details
Published in:Scientific reports 2020-03, Vol.10 (1), p.5410, Article 5410
Main Authors: El-Nahhal, Issa M., Salem, Jamil, Anbar, Rawan, Kodeh, Fawzi S., Elmanama, Abdelraouf
Format: Article
Language:English
Subjects:
639/301/357/537
639/301/54/990
692/700/459/1748
Antibacterial activity
Antimicrobial activity
Antimicrobial agents
Coatings
Cotton
Cotton fabrics
Curcumin
E coli
Escherichia coli
Fabrics
Fibers
Gram-negative bacteria
Humanities and Social Sciences
Irradiation
Leaching
multidisciplinary
Nanocomposites
Nanoparticles
Radiation
Science
Science (multidisciplinary)
Silver
Staphylococcus aureus
Starch
Ultrasound
Zinc
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Summary:ZnO-NPs coated cotton or starched cotton fibers were successfully prepared via ultrasound irradiation. Different concentrations of soluble corn starch (1–3 starch wt.%) were used to stabilize ZnO-NPs onto the surface of cotton fabrics as entrapped species. The use of none-toxic biocompatible starch has improved the adhesion properties of the cotton fibers towards ZnO-NPs. This also enhanced the durability of ZnO-NPs onto the cotton fabrics and decreased their leaching from the surface of cotton fabrics. When 3 starch wt.% solution was used, deposition of ZnO-NP increased by 53% after 10 washing cycles. The antibacterial activity against Staphylococcus aureus and Escherichia coli increased by 50 and 21.5%, respectively. Functionalization of ZnO coated cotton with silver nanoparticles (Ag-NPs) and curcumin results in formation of ZnO-Ag/cotton and Zn(II) curcumin/cotton composites. The functionalized nanocomposites ZnO-Ag coated cotton material showed a synergistic antimicrobial behavior than that of individual ZnO/cotton material. The Zn(II) curcumin complex coated cotton showed higher antibacterial activities against both Staphylococcus aureus (Gram-positive) and Escherichia coli (Gram-negative) bacteria than that of the ZnO/cotton material.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-020-61306-6