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title = {{Chitosan biobased and intelligent films: Monitoring {pH} variations}},  journal = {{LWT} - Food Science and Technology},  }  @article{V_sconez_2009,  doi = {10.1016/j.foodres.2009.02.026},  url = {http://dx.doi.org/10.1016/j.foodres.2009.02.026},  year = {2009},  month = {aug},  publisher = {Elsevier {BV}},  volume = {42},  number = {7},  pages = {762--769},  author = {Mar{\'{\i}}a B. V{\'{a}}sconez and Silvia K. Flores and Carmen A. Campos and Juan Alvarado and L{\'{\i}}a N. Gerschenson},  title = {{Antimicrobial activity and physical properties of chitosan{\textendash}tapioca starch based edible films and coatings}},  journal = {Food Research International},  }