Novel and Highly Efficient Antibacterial PLA Composites Prepared with Liquidambar Orientalis Oil and Ag@g-C3N4 Nanocomposite

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dc.authoridhttps://orcid.org/0000-0003-2104-6019
dc.contributor.authorDurmuş, Zehra
dc.contributor.authorKöferstein, Roberto
dc.contributor.authorÖzgen, Arzu
dc.contributor.authorLindenberg, Titus
dc.contributor.authorMaijenburg, A. Wouter
dc.contributor.authorDurmuş, Ali
dc.date.accessioned2025-07-07T11:54:43Z
dc.date.available2025-07-07T11:54:43Z
dc.date.issued2025
dc.departmentSağlık Hizmetleri Meslek Yüksekokulu
dc.description.abstractFlexible PLA-based antibacterial composite films were prepared using a natural oil, Liquidambar orientalis, as bio-based plasticizer, and 2D graphitic carbon nitride (g-C3N4) decorated with Ag nanoparticles with a particle size of 10–30 nm as antibacterial agent (Ag@g-C3N4). This structurally designed antibacterial nanocomposite was synthesized with the preparation of g-C3N4 by high-temperature annealing followed by the reduction of silver salt onto g-C3N4. The Ag@gC3N4 nanocomposite exhibited a surface area value of 18 g/m2 . PLA/Ag@g-C3N4 composite films were prepared with solution casting method by introducing 30 phr of L. orientalis oil and various amounts (1, 2 and 4 phr) of Ag@g-C3N4. It was found that 30 phr of L. orientalis oil successfully plasticized the PLA and reduced its glass transition temperature from 60 °C to 43 °C and its melting temperature more than 10 °C by reducing the strong interactions and hydrogen bonds between PLA chains. L. orientalis oil also acted as a dispersion agent for the Ag@g-C3N4 nanocomposite particles and significantly improved their antibacterial activity. Antibacterial tests performed using Gram-positive bacteria (Staphylococcus aureus ATCC 25923) and Gram-negative bacteria (Escherichia coli ATCC 25922 and Acinetobacter baumannii ATCC BAA 747) indicated that introducing a small amount of 2D Ag@g-C3N4 nanocomposite particles into PLA yielded superior antibacterial activity.
dc.identifier.doihttps://doi.org/10.1007/s10924-025-03520-9
dc.identifier.endpage2266
dc.identifier.issn1566-2543
dc.identifier.issue5
dc.identifier.scopusqualityQ1
dc.identifier.startpage2249
dc.identifier.urihttps://hdl.handle.net/11363/10054
dc.identifier.volume33
dc.indekslendigikaynakScopus
dc.institutionauthorÖzgen, Arzu
dc.institutionauthoridhttps://orcid.org/0000-0003-2104-6019
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofJournal of Polymers and the Environment
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectPolylactic acid
dc.subjectAntibacterial Composite
dc.subjectGraphitic Carbon Nitride (g-C3N4)
dc.subjectSilver (Ag) Nanoparticle
dc.subjectLiquidambar orientalis
dc.titleNovel and Highly Efficient Antibacterial PLA Composites Prepared with Liquidambar Orientalis Oil and Ag@g-C3N4 Nanocomposite
dc.typeArticle

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