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Integration of refining and in situ growth of silver nanoparticles for improving the antibacterial and antiviral performance of plant fibers

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Abstract

The prevalence of the new crown epidemic has deepened people’s awareness of the importance of antibacterial and antiviral materials. It is imperative to develop applicable and economical antibacterial materials. In this work, we have proposed a facile method to prepare plant fibers with prominent antibacterial and antiviral performance. In the proposed strategy, the fiber design and in situ assembly of silver nanoparticles (AgNPs) were applied to improve the antibacterial and antiviral performance of plant fibers. Mechanical refining split the fibers and made them conformable; in this instance, polydopamine (PDA) was precipitated onto the fiber surface by the oxidative polymerization of dopamine and linked closely with cellulose hydroxyl groups, while AgNPs were in situ grown on the PDA coatings; PDA acted as a bonder to link fibers and AgNPs together. Benefiting from the high AgNP loadings and strong bond between AgNPs and fibers, the fibers showed excellent antibacterial and antiviral performance. This study provides a novel route for improving the antibacterial performance of plant fibers.

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The datasets generated during and/or analyzed during the current study are available from the corresponding authors.

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Acknowledgments

The authors thank the editor and the reviewers for their helpful reviews that improved this paper. The authors would also like to appreciate PhD Chenglong Fu for revising Fig. 1.

Funding

This research was supported by the Industry and Science Project of Fujian Science and Technology Department (2021H6005 and 2020H6008) and the Scientific Research Foundation Graduate School of Fujian Agriculture and Forestry University (324-1122yb079).

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Contributions

YH: Investigation, Writing-original draft, Methodology, Formal analysis, Data curation. CL: Investigation, Writing-original draft, Methodology, Formal analysis, Data curation. JL: Methodology and Data curation. HH: Writing-Review and Editing, Formal analysis. JC: Formal analysis. YW: Investigation and Validation. XM: Conceptualization, Writing-Review and Editing, Funding acquisition. SC: Supervision, Project administration, Conceptualization, Writing-review and editing.

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Correspondence to **aojuan Ma or Shilin Cao.

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Hu, Y., Lin, C., Lan, J. et al. Integration of refining and in situ growth of silver nanoparticles for improving the antibacterial and antiviral performance of plant fibers. Cellulose 30, 10231–10241 (2023). https://doi.org/10.1007/s10570-023-05485-1

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  • DOI: https://doi.org/10.1007/s10570-023-05485-1

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