Preparation of nano‐silver coated poly(vinyl alcohol) via a heterogeneous coating system for various antimicrobial products

Author:

Nootsuwan Nollapan1,Sukthavorn Kankavee1,Khankhuean Anchan1,Jongrungruangchok Suchada2,Veranitisagul Chatchai3,Laobuthee Apirat1ORCID

Affiliation:

1. Department of Materials Engineering, Faculty of Engineering Kasetsart University Bangkok Thailand

2. Department of Pharmaceutical Chemistry College of Pharmacy, Rangsit University Pathumthani Thailand

3. Department of Materials and Metallurgical Engineering, Faculty of Engineering Rajamangala University of Technology Thanyaburi Pathumthani Thailand

Abstract

AbstractSilver‐coated polyvinyl alcohol (Ag/PVA) was prepared using 3,4‐dihydro‐3,6‐dimethyl‐1,3‐2H‐benzoxazine as a reducing agent reported in the petty patent of our research group. Ag/PVA22000 is applicable for making solutions and gels. Solutions of Ag/PVA22000 have exhibited antimicrobial properties against Staphylococcus aureus, Bacillus subtilis, Escherichia coli, Pseudomonas aeruginosa, and Candida albicans, while the gels inhibited only S. aureus, B. subtilis, E. coli, and P. aeruginosa. Therefore, the solutions and gels tend to be used in antimicrobial sprays and gel bandages. Moreover, Ag/PVA145000 was able to form hydrogels by gamma‐ray irradiation. Therefore, the hydrogels with the lowest amount of silver were prepared from 5.0 wt.% of Ag/PVA145000 at the 20 kGy of gamma‐ray irradiation. The results illustrated that the hydrogels exhibited antimicrobial properties against S. aureus, B. subtilis, E. coli, and P. aeruginosa. However, no inhibition of C. albicans was observed for any prepared hydrogels.

Funder

Kasetsart University Research and Development Institute

Publisher

Wiley

Subject

Materials Chemistry,Polymers and Plastics,General Chemistry,Materials Chemistry,Polymers and Plastics,General Chemistry

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