<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In an effort at developing new filters and bio-packaging materials with antibacterial properties, nanocomposite fluorescence films of cellulose acetate reinforced with cellulose nanoparticles, methylcellulose nanoparticles, propylcellulose nanoparticles, toluene diisocyanate modified cellulose and cellulose acetate nanoparticles were prepared and characterized. The effects of the nanoparticles on the mechanical, crystallinity and morphology of the nanocomposite films was studied. The sensitivity of bacteria against the new nanocomposite films was experimented. Scanning electron microscopy showed the films to be well dispersed. Modulus increase was directly proportional to nanoparticle loading. Samples with maximum compatibility were cellulose nanoparticles (CNPs) loading of 40% with modulus of 113.3Mpa and toluene diisocyanate modified cellulose nanoparticles (TDI-CNPs) at 20% loading had 146.0Mpa. Others include cellulose acetate nanoparticles (CANPs) at 30% loading with 73.0Mpa; methylcellulose acetate nanoparticles (MCNPs) with 5% loading had a modulus of 87.3Mpa and pure cellulose acetate had 45.0Mpa. The films were applied as filters for the removal of cells of <italic>Bacillus; Enterococcus</italic> and <italic>Micrococcus</italic> sp. from the crude bacteriocin, with recoverability of 95.9% based on the bacteriocin produced. The films showed limited antibacterial properties against clinical <italic>Pseudomonas</italic> sp 1, <italic>Pseudomonas</italic> sp 2 and <italic>Proteus</italic> sp. It is concluded that the films showed limited antibacterial properties hence it has antibacterial potentials and capabilities.</p></abstract>

In an effort at developing new filters and bio-packaging materials with antibacterial properties, nanocomposite fluorescence films of cellulose acetate reinforced with cellulose nanoparticles, methylcellulose nanoparticles, propylcellulose nanoparticles, toluene diisocyanate modified cellulose and cellulose acetate nanoparticles were prepared and characterized. The effects of the nanoparticles on the mechanical, crystallinity and morphology of the nanocomposite films was studied. The sensitivity of bacteria against the new nanocomposite films was experimented. Scanning electron microscopy showed the films to be well dispersed. Modulus increase was directly proportional to nanoparticle loading. Samples with maximum compatibility were cellulose nanoparticles (CNPs) loading of 40% with modulus of 113.3Mpa and toluene diisocyanate modified cellulose nanoparticles (TDI-CNPs) at 20% loading had 146.0Mpa. Others include cellulose acetate nanoparticles (CANPs) at 30% loading with 73.0Mpa; methylcellulose acetate nanoparticles (MCNPs) with 5% loading had a modulus of 87.3Mpa and pure cellulose acetate had 45.0Mpa. The films were applied as filters for the removal of cells of Bacillus; Enterococcus and Micrococcus sp. from the crude bacteriocin, with recoverability of 95.9% based on the bacteriocin produced. The films showed limited antibacterial properties against clinical Pseudomonas sp 1, Pseudomonas sp 2 and Proteus sp. It is concluded that the films showed limited antibacterial properties hence it has antibacterial potentials and capabilities.

Application of Cellulose Acetate Reinforced Nanocomposite Fluorescence Film as Filter and Bio-Packaging Material with Antibacterial Properties

Department of Microbiology, Faculty of Life Sciences

Department of Industrial Chemistry, Faculty of Physical Sciences

Annals of Science and Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In an effort at developing new filters and bio-packaging materials with antibacterial properties, nanocomposite fluorescence films of cellulose acetate...

Application of Cellulose Acetate Reinforced Nanocomposite Fluorescence Film as Filter and Bio-Packaging Material with Antibacterial Properties

Publié en ligne: 06 juil. 2020

Pages: 45 - 55

Reçu: 22 nov. 2019

Accepté: 27 mars 2020

DOI: https://doi.org/10.2478/ast-2020-0006

Mots clés
Nanocomposite films, Filter, Fluorescence, antibacterial agents

© 2020 Yakubu Azeh et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Application of Cellulose Acetate Reinforced Nanocomposite Fluorescence Film as Filter and Bio-Packaging Material with Antibacterial Properties

Publié en ligne: 06 juil. 2020

Pages: 45 - 55

Reçu: 22 nov. 2019

Accepté: 27 mars 2020

DOI: https://doi.org/10.2478/ast-2020-0006

Mots clésNanocomposite films, Filter, Fluorescence, antibacterial agents

© 2020 Yakubu Azeh et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Nanocomposite films, Filter, Fluorescence, antibacterial agents