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Erschienen in: Cellulose 11/2019

10.06.2019 | Original Research

Synthesis and attachment of silver and copper nanoparticles on cellulose nanofibers and comparative antibacterial study

verfasst von: Duy-Nam Phan, Nasanjargal Dorjjugder, Muhammad Qamar Khan, Yusuke Saito, Goro Taguchi, Hoik Lee, Yasuhito Mukai, Ick-Soo Kim

Erschienen in: Cellulose | Ausgabe 11/2019

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Abstract

Metal nanoparticles are considered intriguing to academic society, due to a wide spectrum of applications in electronics, biomedical engineering, optics, and medicine. In this study, effective methods of decorating cellulose nanofibers (CNFs), deacetylated from cellulose acetate nanofibers, with silver nanoparticles (AgNPs) via ultraviolet radiation and copper nanoparticles (CuNPs) via chemical reduction were reported. The formation of metal nanoparticles was confirmed by scanning electron microscopy and transmission electron microscopy. The sizes and the metal contents of AgNPs incorporated CNFs (Ag/CNFs) were demonstrated to correlate well with the concentrations of immersion solutions; whereas sizes of CuNPs decorated CNFs, denoted as Cu/CNFs, did not change significantly upon the increased concentrations of wetting solutions. Bacterial inhibition zones and the bactericidal efficacy were investigated against both gram-negative and gram-positive bacteria; interestingly, the results revealed superior bactericidal activity against E. coli for Ag/CNFs and better antibacterial properties against B. subtilis for Cu/CNFs.

Graphic abstract

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Metadaten
Titel
Synthesis and attachment of silver and copper nanoparticles on cellulose nanofibers and comparative antibacterial study
verfasst von
Duy-Nam Phan
Nasanjargal Dorjjugder
Muhammad Qamar Khan
Yusuke Saito
Goro Taguchi
Hoik Lee
Yasuhito Mukai
Ick-Soo Kim
Publikationsdatum
10.06.2019
Verlag
Springer Netherlands
Erschienen in
Cellulose / Ausgabe 11/2019
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-019-02542-6

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