Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/3686
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dc.contributor.authorKaleli Can, Gizem-
dc.contributor.authorÖzlü, Büşra-
dc.contributor.authorÖzgüzar, Hatice Ferda-
dc.contributor.authorÖnal-Ulusoy, Baran-
dc.contributor.authorKabay, Gözde-
dc.contributor.authorEom, Taesik-
dc.contributor.authorShim, Bong Sup-
dc.contributor.authorMutlu, Mehmet-
dc.date.accessioned2020-09-17T14:43:37Z
dc.date.available2020-09-17T14:43:37Z
dc.date.issued2020-08
dc.identifier.citationKaleli?Can, G., Ozlu, B., Özgüzar, H. F., Onal?Ulusoy, B., Kabay, G., Eom, T., ... & Mutlu, M. (2020). Natural melanin nanoparticle?decorated screen?printed carbon electrode: Performance test for amperometric determination of hexavalent chromium as model trace. Electroanalysis.en_US
dc.identifier.issn1040-0397
dc.identifier.urihttps://doi.org/10.1002/elan.202000038-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/3686-
dc.description.abstractA biosensor was prepared with natural melanin nanoparticles (MNP) decorated on a screen-printed carbon electrode (SPCE). Hexavalent chromium was selected as a well-known heavy metal ion to be detected for testing the performance of novel biosensor. Natural MNP was extracted from cuttlefish (Sepia officinalis) ink. Surface decoration of SPCEs with MNP was performed by two different methods. The first one was layer-by-layer assembly (LBL-A) for different cycle times(n). In the second one, plasma treatment of SPCE incorporated with evaporation-induced self-assembly (EI-SA) techniques including different incubation times in MNP solutions. The performance of both modified SPCEs were tested for amperometric detection of Cr(VI) in various water samples, and peak reduction of Cr(VI) was determined at 0.33 V. Amperometric results showed wide linear ranges of 0.1–2 ?M and 0.1–5 ?M of Cr(VI) for SPCEs modified with 14n-LBL-A and 12h-EI-SA, respectively. The sensitivities of SPCEs modified with 14n-LBL-A and 12h-EI-SA techniques were 0.27 ?A ?M?1 and 0.52 ?A ?M?1, respectively. In addition, both modified SPCEs selectively detected Cr(VI) in a model aqueous system composed of certain other heavy metals and minerals, and tap and lake water samples. The LOD and LOQ values for 12h-EI-SA were 0.03 ?M and 0.1 ?M, respectively. This showed that MNP-modified-SPCEs generated via EI-SA techniques have the potential to be an alternative to conventional detection methods such as ICP-MS.en_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofElectroanalysisen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectElectrochemical biosensoren_US
dc.subjectMelanin nanoparticlesen_US
dc.subjectScreen-printed carbon electrodeen_US
dc.subjectChromium(VI)en_US
dc.titleNatural Melanin Nanoparticle-Decorated Screen-Printed Carbon Electrode: Performance Test for Amperometric Determination of Hexavalent Chromium as Model Traceen_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Biomedical Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Biyomedikal Mühendisliği Bölümütr_TR
dc.identifier.volume32
dc.identifier.issue8
dc.identifier.startpage1696
dc.identifier.endpage1706
dc.authorid0000-0001-7146-1937-
dc.identifier.wosWOS:000526142300001en_US
dc.identifier.scopus2-s2.0-85083828678en_US
dc.institutionauthorMutlu, Mehmet-
dc.identifier.doi10.1002/elan.202000038-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ2-
item.openairetypeArticle-
item.languageiso639-1en-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
crisitem.author.dept02.2. Department of Biomedical Engineering-
Appears in Collections:Biyomedikal Mühendisliği Bölümü / Department of Biomedical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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