Ratiometric fluorescence detection of an anthrax biomarker with Eu3+-chelated chitosan biopolymers

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dc.contributor.authorDönmez, Mert
dc.contributor.authorÖktem, Hüseyin Avni
dc.contributor.authorYılmaz, M. Deniz
dc.date.accessioned2020-04-30T23:31:34Z
dc.date.available2020-04-30T23:31:34Z
dc.date.issued2018
dc.departmentDÜ, Fen-Edebiyat Fakültesi, Kimya Bölümüen_US
dc.descriptionWOS: 000416369800026en_US
dc.descriptionPubMed: 29103500en_US
dc.description.abstractA novel chitosan-based ratiometric fluorescent probe incorporating an EDTA-Eu3+ complex as the sensing unit and fluorescein dye as the internal standard was designed to detect dipicolinic acid (DPA) as an anthrax bio-marker with high sensitivity and selectivity. The fluorescence intensity of fluorescein dye attached to the chitosan backbone remains constant as an internal reference, while the Eu3+ emission increased linearly upon the consecutive addition of DPA. The selectivity studies were performed by adding different competitive aromatic ligands to the sensing environment and no signifacant fluorescence response was observed. The results demonstrated the superior selectivity of the system to DPA. Overall, this novel chitosan-based ratiometric fluorescent probe enables ratiometric and sensitive DPA detection over nanomolar concentrations (as low as 10 nM) and displays straightforward selectivity over other competitive aromatic ligands.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [114Z088]; Konya Food and Agriculture University Strategic Products Research and Development Center (SARGEM); Nanobiz R D ltd.en_US
dc.description.sponsorshipThis research was financially supported by the Scientific and Technological Research Council of Turkey (TUBITAK), Project No: 114Z088 which is gratefully acknowledged here. The corresponding author would also like to thank Konya Food and Agriculture University Strategic Products Research and Development Center (SARGEM) and Nanobiz R & D ltd. for their support of this research.en_US
dc.identifier.doi10.1016/j.carbpol.2017.10.039en_US
dc.identifier.endpage230en_US
dc.identifier.issn0144-8617
dc.identifier.issn1879-1344
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage226en_US
dc.identifier.urihttps://doi.org/10.1016/j.carbpol.2017.10.039
dc.identifier.urihttps://hdl.handle.net/20.500.12684/4308
dc.identifier.volume180en_US
dc.identifier.wosWOS:000416369800026en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofCarbohydrate Polymersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAnthrax biomarkeren_US
dc.subjectEuropiumen_US
dc.subjectChitosanen_US
dc.subjectFluorescenceen_US
dc.subjectTime-resolveden_US
dc.titleRatiometric fluorescence detection of an anthrax biomarker with Eu3+-chelated chitosan biopolymersen_US
dc.typeArticleen_US

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