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Construction of multifunctional UV-resistant, antibacterial and photothermal cotton fabric via silver/melanin-like nanoparticles

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Abstract

As a kind of melanin-like nanoparticles, poly(levodopa) nanoparticles have abundant reactive catechol groups, which provide the basis for the structure design of melanin-like nanoparticles. In this work, we synthesized silver/melanin-like nanoparticles (Ag-SMNPs) using a one-step method. The results of X-ray photoelectron spectroscopy (XPS) showed that the chemical structures of Ag-SMNPs were not only loaded with silver nanoparticles (Ag NPs), but also formed a complex structure with silver ions. Ag-SMNPs-modified fabrics (Ag-SMNPs@Cotton) had demonstrated excellent anti-ultraviolet radiation, photothermal, and antibacterial properties. UV protection levels of the modified fabrics had reached UPF50 + , and their surface temperatures had exceeded 100 °C when irradiated by a Xenon lamp for 1 min. As for the antibacterial activity, the survival rates of Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) on the surface of the modified fabrics were 1.94% and 5.92%, respectively, when the fabrics were irradiated by Xenon lamp for 10 min. Without Xenon lamp irradiation, the survival rates on the modified fabrics were 3.35% and 2.53% for E. coli and S. aureus, respectively, when bacteria were in contact with the fabric for 6 h. Additionally, the modified fabrics also maintained an outstanding air and moisture permeability. Multifunctional melanin-like nanoparticles provide a new option for material modification.

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Acknowledgments

This research work was supported by the National Natural Science Foundation of China (51603087), China Postdoctoral Science Foundation (2017M611697), Jiangsu Planned Projects for Postdoctoral Research Funds (1701022A).

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WL: Conceptualization, Methodology, Investigation, Validation, Formal analysis, Writing-Original Draft, Visualization. WC Methodology, Investigation. MZ: Methodology, Writing-Review and Editing. BX: Methodology, Writing-Review snf Editing. PW: Methodology, Writing-Review and Editing. QW: Methodology, Writing-Review and Editing. YY*: Resources, Writing-Review and Editing, Supervision, Project administration, Funding acquisition.

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Correspondence to Yuanyuan Yu.

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Liu, W., Cheng, W., Zhou, M. et al. Construction of multifunctional UV-resistant, antibacterial and photothermal cotton fabric via silver/melanin-like nanoparticles. Cellulose 29, 7477–7494 (2022). https://doi.org/10.1007/s10570-022-04740-1

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  • DOI: https://doi.org/10.1007/s10570-022-04740-1

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