title: Biological, mechanical, optical and physicochemical properties of natural chitin films obtained from the dorsal pronotum and the wing of cockroach.
abstract: In previous studies, chitin-based films were produced from chitin nanofibers in dust form and fully characterized. However, chitin films naturally present in many organisms have not been isolated and characterized. Herein, structurally intact chitin films were successfully extracted from the dorsal pronotum and the wing of cockroach. Despite using the same extraction procedure, important differences were observed. Especially, hydrophobicity, transparency, antifungal and antibacterial biofilm activities of wing chitin film were recorded notably higher than those of chitin film from the dorsal pronotum. However, better mechanical properties were observed for chitin film from the dorsal pronotum. Notably, among the tested bacteria, two common pathogens could not form biofilms on the surface of the films. This study clearly demonstrated natural chitin films obtained from an insect can provide a new perspective to chitin-based applications where chitin films with high thermal stability, transparency, resistance to bacterial biofilm formation and antifungal activity are needed.
authors.affiliation: Department of Biotechnology and Molecular Biology, Aksaray University, 68100 Aksaray, Turkey. Electronic address: muratkaya3806@yahoo.com.
authors.forename: Murat
authors.initials: M
authors.lastname: Kaya
authors.affiliation: Department of Biotechnology and Molecular Biology, Aksaray University, 68100 Aksaray, Turkey.
authors.forename: Idris
authors.initials: I
authors.lastname: Sargin
authors.affiliation: Department of Biotechnology and Molecular Biology, Aksaray University, 68100 Aksaray, Turkey; Department of Biology, Vytautas Magnus University, LT-44404 Kaunas, Lithuania.
authors.forename: Ignas
authors.initials: I
authors.lastname: Sabeckis
authors.affiliation: Department of Biotechnology and Molecular Biology, Aksaray University, 68100 Aksaray, Turkey; Department of Biology, Vytautas Magnus University, LT-44404 Kaunas, Lithuania.
authors.forename: Deimante
authors.initials: D
authors.lastname: Noreikaite
authors.affiliation: Department of Biology, Faculty of Science and Letters, Aksaray University, 68100, Aksaray, Turkey.
authors.forename: Demet
authors.initials: D
authors.lastname: Erdonmez
authors.affiliation: Biorefinery Processes Research Group, Department of Chemical and Environmental Engineering, University of the Basque Country (UPV/EHU), Plaza Europa 1, 20018 Donostia-San Sebastian, Spain.
authors.forename: Asier M
authors.initials: AM
authors.lastname: Salaberria
authors.affiliation: Biorefinery Processes Research Group, Department of Chemical and Environmental Engineering, University of the Basque Country (UPV/EHU), Plaza Europa 1, 20018 Donostia-San Sebastian, Spain.
authors.forename: Jalel
authors.initials: J
authors.lastname: Labidi
authors.affiliation: Department of Biology, Vytautas Magnus University, LT-44404 Kaunas, Lithuania.
authors.forename: Vykintas
authors.initials: V
authors.lastname: Baublys
authors.affiliation: Department of Biology, Vytautas Magnus University, LT-44404 Kaunas, Lithuania.
authors.forename: Vaida
authors.initials: V
authors.lastname: Tubelytė
mesh_terms: D000818:Animals; D002686:Chitin / Q000737:chemistry*; D003058:Cockroaches / Q000737:chemistry*; D057927:Hydrophobic and Hydrophilic Interactions; D014921:Wings, Animal / Q000737:chemistry
chemical_list: D002686:Chitin
keywords: Antimicrobial; Biodegradable film; Blaberus giganteus; Hydrophobicity