A “Turn off” fluorescence sensor for Fe2+, Fe3+, and Cu2+ ions based on novel pyrene-functionalized chitosan

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dc.contributor.authorÖmeroğlu, İpek
dc.contributor.authorŞanko, Vildan
dc.date.accessioned2025-10-29T13:03:11Z
dc.date.issued2023
dc.departmentGebze Teknik Üniversitesi
dc.description.abstractThe detection of iron and copper ions is very important for environmental and biological processes. In this work, a novel pyrene-functionalized Schiff base chitosan (Chit-Pyr) was synthesized, and this hybrid material was used as a “turn-off” fluorescence sensor for the detection of Fe2+, Fe3+, and Cu2+ ions. FTIR, UV-Vis, TGA, and SEM were used to examine for structural, thermal, and morphological properties of Chit-Pyr. This sensor exhibited a selectivity towards Fe2+, Fe3+, and Cu2+ ions among several common metal cations in the DMF dispersion. The results showed that the proposed “turn-off” fluorescence sensing mechanism of Chit-Pyr was simple and sensitive for the determination of Fe2+, Fe3+, and Cu2+ ions.
dc.identifier.doi10.51435/turkjac.1302873
dc.identifier.endpage60
dc.identifier.issn2687-6698
dc.identifier.issue1
dc.identifier.startpage50
dc.identifier.trdizinid1188756
dc.identifier.urihttps://doi.org/10.51435/turkjac.1302873
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1188756
dc.identifier.urihttps://hdl.handle.net/20.500.14854/15626
dc.identifier.volume5
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.relation.ispartofTurkish Journal of Analytical Chemistry (Online)
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_TR_20251020
dc.subjectChitosan
dc.subjectpyrene
dc.subjectFluorescence sensor
dc.subjectiron and copper
dc.titleA “Turn off” fluorescence sensor for Fe2+, Fe3+, and Cu2+ ions based on novel pyrene-functionalized chitosan
dc.typeArticle

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