AgxOy/chitosan nanocomposite as antibacterial functional coating material for hydrophilic and hydrophobic fabrics
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View abstract on PubMed
Summary
This summary is machine-generated.This study developed a nano Ag/Ag3O4/chitosan coating for durable antibacterial fabrics. The coating effectively eliminated bacteria on cotton and Nomex, showing promise for various applications.
Area Of Science
- Materials Science
- Nanotechnology
- Textile Engineering
Background
- Antibacterial fabrics are crucial for applications ranging from daily wear to defense.
- Existing treatments often depend on fabric wettability, limiting their broad applicability.
- Developing versatile antibacterial coatings is essential for advanced textile functionalities.
Purpose Of The Study
- To develop a novel antibacterial coating mixture, nano Ag/Ag3O4/chitosan (n-Ag/Ag3O4/CH), for both hydrophilic and hydrophobic fabrics.
- To evaluate the antibacterial efficacy and durability of the developed coating.
- To assess the environmental impact through zebrafish behavioral assays.
Main Methods
- One-pot synthesis of n-Ag/Ag3O4/CH nanoparticles.
- Coating application on cotton and Nomex fabrics.
- Antibacterial activity assessment using minimum inhibitory concentration (MIC), AATCC-147, and AATCC-100 assays.
- Durability testing through washing cycles and abrasion.
- Zebrafish behavioral assays for ecotoxicity evaluation.
Main Results
- TEM confirmed spherical nanoparticles (5-10 nm) embedded in a chitosan matrix.
- Effective antibacterial activity against Escherichia coli, Methicillin-resistant Staphylococcus aureus, and Staphylococcus epidermidis.
- Coated fabrics showed significant inhibition zones and ~100% bacterial reduction.
- The n-Ag/Ag3O4/CH coating demonstrated excellent durability after 50 washing cycles and abrasion.
- Zebrafish assays indicated behavioral alterations, suggesting potential environmental considerations.
Conclusions
- The n-Ag/Ag3O4/CH coating imparts durable antibacterial properties to diverse fabric types.
- The coating shows high efficacy against common bacterial strains.
- Further research is needed to address potential environmental effects before commercialization.
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