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Updated: Jan 31, 2026

Synthesis Method for Cellulose Nanofiber Biotemplated Palladium Composite Aerogels
Published on: May 9, 2019
Cellulose acetate nanofibers embedded with AgNPs anchored TiO2 nanoparticles for long term excellent antibacterial
Abdul Wahab Jatoi1, Ick Soo Kim2, Qing-Qing Ni3
1Bioscience and Textile Technology Department, Shinshu University, 3-15-1 Tokida, Ueda 386-8567, Japan; Department of Textile Engineering, Mehran University of Engineering and Technology, Jamshoro 76062, Pakistan.
Abstract:
Silver nanoparticles (AgNPs) are effective antimicrobial agents however excess release of silver causes argyria and argyrosis. An strategy to avoid these detrimental side effects is immobilization of AgNPs on several organic and inorganic substrates. Herein, we propose immobilization of AgNPs on TiO2 nanoparticles by an environmentally green process subsequently incorporating the TiO2/AgNP into cellulose acetate (CA) nanofiber matrix. The TiO2/AgNP nanocomposite particles were prepared by coating TiO2 nanoparticles with polydopamine hydrochloride followed by a treatment in AgNO3 solution. Subsequently, the TiO2/AgNP nanocomposites were added into CA solution and electrospun to fabricate CA/TiO2/AgNP composite nanofibers. The samples were characterized by XRD, TEM, XPS, SEM, EDX, FTIR and antibacterial assays. Synthesis of TiO2/AgNP and its loading into CA nanofibers was confirmed by XRD, XPS, TEM and EDX analysis. SEM images indicated regular morphology of the nanofibers. The antibacterial test results confirmed CA/TiO2/AgNP composite nanofibers having excellent antibacterial performances for 36 h and substantial bacterial growth inhibition for 72 h.
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