Lightless catalytic layered chitosan coating film using doped TiO2@metal ions nanoparticles for highly efficient dye degradation in aqueous media and disinfection applications

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dc.authoridMOULAHOUM, Hichem/0000-0003-3934-6415
dc.authoridGhorbanizamani, Faezeh/0000-0001-8541-0540
dc.authorscopusid57188963997
dc.authorscopusid57199103659
dc.authorscopusid6701407659
dc.authorscopusid6701638388
dc.authorwosidMOULAHOUM, Hichem/DIC-3335-2022
dc.authorwosidGhorbanizamani, Faezeh/ABE-3800-2021
dc.contributor.authorMoulahoum, Hichem
dc.contributor.authorGhorbanizamani, Faezeh
dc.contributor.authorSakarya, Serhan
dc.contributor.authorTimur, Suna
dc.date.accessioned2023-01-12T19:56:13Z
dc.date.available2023-01-12T19:56:13Z
dc.date.issued2022
dc.departmentN/A/Departmenten_US
dc.description.abstractChitosan-based materials are widely used in various industries due to their environmental friendliness (biodegradable and non-toxicity) and other antimicrobial properties. Improving the chitosan capacities using additional components such as titanium dioxide (TiO2) and other nanoparticles proves beneficial. Here, we propose the combination of chitosan-TiO2 nanocomposites (ChiTiO) with various metal ions (silver, zinc, copper, and iron), forming novel chitosan-based films to improve the capacities of the material further. The ChiTiO-ion metals nanocomposites and films were synthesized and characterized using dynamic light scattering (DLS), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), ultraviolet-visible spectroscopy (UV-Vis), Fourier transforms infrared spectroscopy (FT-IR), X-ray fluorescence (XRF), and cyclic voltammetry techniques. The biological activities of the metal-doped formulations showed increased antioxidant activities led by ChiTiO@Ag. Additionally, the methylene blue (MB) dye degradation capabilities were dominated by ChiTiO@Cu. The material showed a higher specificity towards MB than other dyes (methyl orange and bromophenol blue). The photocatalytic degradation at high temperatures (60 degrees C) was faster than at ambient (25 degrees C) and cold (4 degrees C) temperatures. The reusability of the film showed sustained photocatalytic capacities even after three cycles with a low loss of 16.7%. The antimicrobial activities of the films were tested against three pathogens (S. aureus, C. albicans, and P. aeruginosa) under different light conditions. Data showed ChiTiO@Ag with a concentration of 0.5 g composite having the best activity compared with the other materials. The most important finding is the ability of the proposed films to perform their activities without the need for any light activation. Lastly, ChiTiO@ion metals provide promising applications as ambient light packaging materials, coating materials, and photocatalysts.en_US
dc.description.sponsorshipRepublic of Turkey, Ministry of Development [2016K121190]en_US
dc.description.sponsorshipThe authors thank the Central Research Test and Analysis Laboratory Application and Research Center (EGE-MATAL) for their infrastructures that allowed the characterizations of the materials prepared in the current work and acknowledge the Republic of Turkey, Ministry of Development for providing the support for the infrastructure of EGE MATAL (Ege University/Izmir) via 2016K121190 grant. Dr. Serap Evran and Dr. Umut Mengulluoglu from the Department of Biochemistry (EgeUniversity/Izmir) are thanked for their technical support.en_US
dc.identifier.doi10.1016/j.porgcoat.2022.106923
dc.identifier.issn0300-9440
dc.identifier.issn1873-331X
dc.identifier.issn0300-9440en_US
dc.identifier.issn1873-331Xen_US
dc.identifier.scopus2-s2.0-85130555027en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.porgcoat.2022.106923
dc.identifier.urihttps://hdl.handle.net/11454/76819
dc.identifier.volume169en_US
dc.identifier.wosWOS:000833535900003en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Saen_US
dc.relation.ispartofProgress In Organic Coatingsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPhotocatalytic filmen_US
dc.subjectTiO2 nanoparticlesen_US
dc.subjectChitosanen_US
dc.subjectDye degradationen_US
dc.subjectAntimicrobial materialsen_US
dc.subjectMetal ionsen_US
dc.subjectAntibacterial Activitiesen_US
dc.subjectGraphene Oxideen_US
dc.subjectVisible-Lighten_US
dc.subjectPhotocatalytic Activityen_US
dc.subjectAntimicrobial Activityen_US
dc.subjectPhysical-Propertiesen_US
dc.subjectTio2 Nanoparticlesen_US
dc.subjectZnoen_US
dc.subjectNanocompositeen_US
dc.subjectCompositeen_US
dc.titleLightless catalytic layered chitosan coating film using doped TiO2@metal ions nanoparticles for highly efficient dye degradation in aqueous media and disinfection applicationsen_US
dc.typeArticleen_US

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