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Biosynthesis and Characterization of Nanocellulose-Gelatin Films
Chemical Engineering Research Unit for Value Adding of Bioresources, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
Natural Products Research Section, Research Division, National Cancer Institute of Thailand, Bangkok 10400, Thailand
* Author to whom correspondence should be addressed.
Received: 8 December 2012; in revised form: 17 January 2013 / Accepted: 21 February 2013 / Published: 28 February 2013
Abstract: A nanocellulose-gelatin (bacterial cellulose gelatin (BCG)) film was developed by a supplement of gelatin, at a concentration of 1%–10% w/v, in a coconut-water medium under the static cultivation of Acetobacter xylinum. The two polymers exhibited a certain degree of miscibility. The BCG film displayed dense and uniform homogeneous structures. The Fourier transform infrared spectroscopy (FTIR) results demonstrated interactions between the cellulose and gelatin. Incorporation of gelatin into a cellulose nanofiber network resulted in significantly improved optical transparency and water absorption capacity of the films. A significant drop in the mechanical strengths and a decrease in the porosity of the film were observed when the supplement of gelatin was more than 3% (w/v). The BCG films showed no cytotoxicity against Vero cells.
Keywords: bacterial cellulose; gelatin; nanofibril; film
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MDPI and ACS Style
Taokaew, S.; Seetabhawang, S.; Siripong, P.; Phisalaphong, M. Biosynthesis and Characterization of Nanocellulose-Gelatin Films. Materials 2013, 6, 782-794.
Taokaew S, Seetabhawang S, Siripong P, Phisalaphong M. Biosynthesis and Characterization of Nanocellulose-Gelatin Films. Materials. 2013; 6(3):782-794.
Taokaew, Siriporn; Seetabhawang, Sutasinee; Siripong, Pongpun; Phisalaphong, Muenduen. 2013. "Biosynthesis and Characterization of Nanocellulose-Gelatin Films." Materials 6, no. 3: 782-794.