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4th Edition of

Chemistry World Conference

June 17-19, 2024 | Paris, France

Chemistry 2023

Iliana Ivanova

Speaker at Chemistry World Conference 2023 - Iliana Ivanova
Sofia University, Bulgaria
Title : Thin nanostructured films as food packaging


Nanoparticles included in food packaging could adsorb oxygen, produce reactive oxygen species and destroy microorganisms in food to prolong the food storage. Antimicrobial packaging is not still in the market, but copper, Zink and TiO2 are reported as promising antimicrobial materials. Thin films obtained by magnetron sputtering of TiO2: Cu:Ag as packaging of Yellow cheese and formed ham were investigated. Microbial quantity was determined during 3 months after the start of experiment. The metals in the thin slice of the food mass were determined using ICP AES. In both product the metal concentration raised from the first till the end of experiment. The results have shown that thin films obtained by magnetron sputtering are not stable on glass surface and cannot be used as food packaging that way.


Dr. Iliana Ivanova finished Medical college in Plovdiv in 1979. She finished her Biochemistry and Microbiology Master's degree at Sofia University " Saint Kliment Ohridski" in 1986 (diploma thesis on  Aspergillus niger acid production) and her Ph.D. degree in Microbiology "Microflora of oil-field Tyulenovo and its application"  in 1994. In 2009 Dr. Ivanova started to test the antimicrobial activity of ZnO thin films and now has more than 50 articles published in international journals and books. Her interests are in the antimicrobial activity of nanoparticles and nanocomposites and their medical application.