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26.04.2019 | Original Research

Bio-based chitosan/gelatin/Ag@ZnO bionanocomposites: synthesis and mechanical and antibacterial properties

verfasst von: Srinath Murali, Santosh Kumar, Joonseok Koh, Sahadevan Seena, Poonam Singh, Amílcar Ramalho, Abilio J. F. N. Sobral

Erschienen in: Cellulose | Ausgabe 9/2019

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Abstract

Chitosan exhibits a wide range of bio-properties, including biocompatibility, antimicrobial activity, and biodegradability. In this study, we prepared bionanocomposites by using chitosan/gelatin with different concentrations of silver-loaded zinc oxide nanoparticles. The silver-loaded ZnO nanoparticles were synthesized using the sol–gel method with a gelatin template. The bionanocomposite films were prepared via green chemistry approach, using a solution casting method. The bionanocomposites were well-characterized using fourier-transform infrared spectroscopy, X-ray diffraction analysis, thermogravimetric analysis, scanning electron microscopy, and stability and rheological studies. The enhanced antibacterial activity of the bionanocomposites was studied. Swelling tests were performed by varying the pH of the test solution. The mechanical and thermal properties of the biopolymer matrix were improved by introduction of small amounts of Ag@ZnO. Overall, our results suggest that the bionanocomposites have the potential to increase the efficiency of tissue engineering and thus could serve as suitable materials for biomedical and antimicrobial packaging applications.

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Vorheriger Artikel Performance comparison of chitosan–clinoptilolite nanocomposites as adsorbents for vanadium in aqueous media

Nächster Artikel Effects of bentonite on physical, mechanical and barrier properties of cellulose nanofibril hybrid films for packaging applications

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Titel: Bio-based chitosan/gelatin/Ag@ZnO bionanocomposites: synthesis and mechanical and antibacterial properties
verfasst von: Srinath Murali
Santosh Kumar
Joonseok Koh
Sahadevan Seena
Poonam Singh
Amílcar Ramalho
Abilio J. F. N. Sobral
Publikationsdatum: 26.04.2019
Verlag: Springer Netherlands
Erschienen in: Cellulose / Ausgabe 9/2019
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI: https://doi.org/10.1007/s10570-019-02457-2

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Abstract

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