alexa Innovative composite films of chitosan, methylcellulose, and nanoparticles.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Molecular and Genetic Medicine

Author(s): Mura S, Corrias F, Stara G, Piccinini M, Secchi N,

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Abstract Plastic is readily available and inexpensive, so it is becoming the main material for packaging. Unfortunately plastics do not biodegrade and, if reduced in small pieces, contaminate soil and waterways. In the present work, natural films composed of chitosan, methylcellulose, and silica (SiO(2)) nanoparticles (NPs) were developed as new packaging materials. The effect of the incorporation of NPs into the polymeric film matrix was evaluated. An excellent improvement of the mechanical properties was obtained for nanostructured films with a composition of CH:MC 50:50 and NPs 1\% w/v that make these materials able to replace plastics and derivatives, reducing environmental pollution. © 2011 Institute of Food Technologists® This article was published in J Food Sci and referenced in Journal of Molecular and Genetic Medicine

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