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Cotton fabric coated with graphene-based silver nanoparticles: synthesis, modification, and antibacterial activity

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Abstract

In this study, reduced graphene oxide with immobilized silver nanoparticles cotton fabric (Ag/rGO/cotton) was produced by the dip-coating cotton in silver immobilizing onto graphene oxide (Ag/GO) suspension to prepared Ag/GO/cotton material followed by the addition of vitamin C (VC) as an environmentally friendly reducing agent. The characteristics of Ag/GO and modified cotton were investigated by Fourier transform infrared spectroscopy, X-ray diffraction, Raman spectroscopy, transmission electron microscopy, scanning electron microscope, X-ray photoelectron spectroscopy, and energy-dispersive X-ray spectroscopy. Silver nanoparticles (AgNPs) were uniformly distributed on the surface of graphene oxide (GO) sheets with an average size of 10–15 nm, while the cotton surface was evenly covered by Ag/rGO. The zone of inhibition against Staphylococcus aureus (S. aureus), Pseudomonas aeruginosa (P. aeruginosa), and Escherichia coli (E. coli) bacteria indicated that Ag/rGO/cotton possessed the highest antibacterial activity when compared to other modified cotton. Moreover, the Ag/rGO/cotton also exhibited effective hydrophobicity with a wetting angle of 103.85° ± 0.75°, which supported the prevention of bacterial infection and adherent on the cotton surface. To confirm the low cytotoxic property of Ag/rGO/cotton for human use, the cell viability of HepG2, A549, and Hek293 cell lines were evaluated when contacted with the material, while the low amount of leached Ag+ from Ag/rGO/cotton was under the accepted limit. All results of the study confirmed that Ag/rGO/cotton possesses significant potential for several antibacterial applications such as protective equipment.

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Acknowledgments

We would like to thank Ho Chi Minh City University of Technology (HCMUT), VNU-HCM for the support of time and facilities for this study.

Funding

This research is funded by Vietnam National University Ho Chi Minh City (VNU-HCM) under Grant Number 562-2021-20-01. We would like to thank Ho Chi Minh City University of Technology (HCMUT), VNU-HCM for the support of time and facilities for this study.

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Correspondence to Nguyen Huu Hieu.

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We have no conflicts of interest to disclose. This paper was written by listed authors who are all aware of its content and approve its submission.

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This study does not involve any human subjects and no animal or human studies were carried out by the authors.

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Linh, N.T.T., Diep, T.C., Vy, T.T. et al. Cotton fabric coated with graphene-based silver nanoparticles: synthesis, modification, and antibacterial activity. Cellulose 29, 6405–6424 (2022). https://doi.org/10.1007/s10570-022-04659-7

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  • DOI: https://doi.org/10.1007/s10570-022-04659-7

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