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    ARTICLE

    Surface, Thermal and Antimicrobial Release Properties of Plasma-Treated Zein Films

    S.K. Pankaj1, C. Bueno-Ferrer1, N.N. Misra1, L. O’Neill2, A. Jiménez3, P. Bourke1, P.J. Cullen1,4,*

    Journal of Renewable Materials, Vol.2, No.1, pp. 77-84, 2014, DOI:10.7569/JRM.2013.634129

    Abstract The effects of dielectric barrier discharge plasma treatment on zein fi lm containing thymol as an active ingredient were evaluated. The plasma discharge was optically characterized to identify the reactive species. A signifi cant increase in the fi lm roughness (p < 0.05) was observed due to the etching effect of DBD plasma, which was correlated with the increase in the diffusion rate of thymol in the food simulant. The diffusion of thymol from the zein fi lm was measured in aqueous solution. The kinetics of thymol release followed the Fick’s law of diffusion as More >

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