Hydrothermally synthesized chitosan-SnO2-CuO nanohybrids for antimicrobial surface engineering of GFRC

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dc.contributor.authorRamazanoglu, Doğu
dc.contributor.authorKamuran Duran, Pelin
dc.contributor.authorŞahin, İdris
dc.contributor.authorSubaşı, Serkan
dc.contributor.authorMaraşlı, Muhammed
dc.date.accessioned2026-03-27T08:30:06Z
dc.date.available2026-03-27T08:30:06Z
dc.date.issued2026
dc.departmentFakülteler, Mühendislik Fakültesi, Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü
dc.description.abstractGlass fiber reinforced concrete (GFRC) panels are widely used in architectural and structural applications due to their low weight and design flexibility, but their hydrophilic and porous surfaces are prone to microbial colonization, compromising durability and aesthetics. In this study, GFRC surfaces were functionalized with hydrothermally synthesized chitosan-SnO2-CuO nanohybrids to enhance their physicochemical and antimicrobial properties. Structural and morphological analyses (XRD, SEM, FTIR, BET) confirmed successful nanohybrid incorporation, revealing increased surface area (3.40 to 15.77 m & sup2;/g) and modified chemical bonding. Water contact angle measurements indicated improved hydrophobicity (30.82 degrees to 63.49 degrees), while TGA/DTA showed enhanced thermal stability (final residue 16.9% to 18.07% at 800 degrees C). The nanohybrid coatings exhibited significant antimicrobial activity against E. coli, S. aureus, C. albicans, and T. tonsurans, with inhibition zones up to 36 mm and 29 mm at 2-3% additive concentrations. Thermal conductivity increased from 2.44 to 2.82 W/mK, demonstrating multifunctionality. These results highlight the potential of Ch-SnO2-CuO nanohybrid coatings as a robust, multifunctional strategy for producing antimicrobial, thermally stable GFRC surfaces suitable for hygiene-critical environments.
dc.identifier.doi10.1007/s12668-026-02417-8
dc.identifier.issn2191-1630
dc.identifier.issn2191-1649
dc.identifier.issue4
dc.identifier.scopus2-s2.0-105033862390
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1007/s12668-026-02417-8
dc.identifier.urihttps://hdl.handle.net/11501/2671
dc.identifier.volume16
dc.identifier.wosWOS:001717489800006
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorRamazanoglu, Doğu
dc.institutionauthorid0000-0002-6356-5792
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofBioNanoScience
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.relation.tubitakinfo:eu-repo/grantAgreement/TUBITAK/SOBAG/122C050
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectChitosan–SnO₂–CuO Nanohybrids
dc.subjectGlass Fiber Reinforced Concrete
dc.subjectHydrothermal Coating
dc.subjectAntimicrobial Surface Functionalization
dc.subjectWater Contact Angle
dc.subjectBET Surface Area
dc.titleHydrothermally synthesized chitosan-SnO2-CuO nanohybrids for antimicrobial surface engineering of GFRC
dc.typeArticle

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