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Volume 25
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10.3390/ijms25158125
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Excellent Antibacterial Properties of Silver/Silica–Chitosan/Polyvinyl Alcohol Transparent Film

by
Taoyang Cai
1,2,†,
Shangjie Ge-Zhang
1,†,
Chang Zhang
1,
Pingxuan Mu
1 and
Jingang Cui
1,*
1
College of Science, Northeast Forestry University, Harbin 150040, China
2
Aulin College, Northeast Forestry University, Harbin 150040, China
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Int. J. Mol. Sci. 2024, 25(15), 8125; https://doi.org/10.3390/ijms25158125
Submission received: 6 July 2024 / Revised: 22 July 2024 / Accepted: 23 July 2024 / Published: 25 July 2024
(This article belongs to the Special Issue Anti-cancer, Anti-inflammatory, and Antioxidation Active Substances: 2nd Edition)
Versions Notes

Abstract

Transparent films with excellent antibacterial properties and strong mechanical properties are highly sought after in packaging applications. In this study, Ag/SiO2 nanoparticles were introduced into a mixed solution of chitosan (CS) and polyvinyl alcohol (PVA) and a Ag/SiO2-CS-PVA transparent film was developed. The excellent properties of the film were confirmed by light transmittance, water contact angle tests and tensile tests. In addition, for the antibacterial test, the antibacterial properties of the sample against Gram-negative bacteria (Escherichia coli) and Gram-positive bacteria (Staphylococcus aureus) were explored, and the average size of the bacteriostatic circle was measured by the cross method. The final results show that Ag/SiO2-CS-PVA transparent film has the advantages of good antibacterial properties, high transparency and high mechanical strength.
Keywords: transparent film; chitosan (CS); polyvinyl alcohol (PVA); antibacterial property transparent film; chitosan (CS); polyvinyl alcohol (PVA); antibacterial property

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MDPI and ACS Style

Cai, T.; Ge-Zhang, S.; Zhang, C.; Mu, P.; Cui, J. Excellent Antibacterial Properties of Silver/Silica–Chitosan/Polyvinyl Alcohol Transparent Film. Int. J. Mol. Sci. 2024, 25, 8125. https://doi.org/10.3390/ijms25158125

AMA Style

Cai T, Ge-Zhang S, Zhang C, Mu P, Cui J. Excellent Antibacterial Properties of Silver/Silica–Chitosan/Polyvinyl Alcohol Transparent Film. International Journal of Molecular Sciences. 2024; 25(15):8125. https://doi.org/10.3390/ijms25158125

Chicago/Turabian Style

Cai, Taoyang, Shangjie Ge-Zhang, Chang Zhang, Pingxuan Mu, and Jingang Cui. 2024. "Excellent Antibacterial Properties of Silver/Silica–Chitosan/Polyvinyl Alcohol Transparent Film" International Journal of Molecular Sciences 25, no. 15: 8125. https://doi.org/10.3390/ijms25158125

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