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BIONANOCOMPOSITE OF ZNS NANOPARTICLES IN CARBOXYMETHYL CELLULOSE AS SENSOR OF FOOD FRESHNESS

ABSTRACT: Food nanotechnology is rapidly progressing in recent years. One of its important issues is development of intelligent packaging materials that also serve as quality sensors. In this study, we prepared ZnS quantum dots in carboxymethyl cellulose and investigated the physicochemical and optical properties of the obtained nanocomposite. We found out that its emission properties depend on the pH which makes it a potential freshness indicator.

Karen Khachatryan, Gohar Khachatryan, Anna Konieczna-Molenda and Magdalena Janik, Bionanocomposite of ZnS nanoparticles in carboxymethyl cellulose as sensor of food freshness, Proceedings of the 14th International Conference on Polysaccharides - Glycoscience : 7-9 November 2018, Prague, Czech Republic / Řápková Radmila, Hinková Andrea , Čopíková Jana ( red. ), 2018, Czech Chemical Society, ISBN 978-80-86238-80-7, ss. 204-207

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