A facile preparation of donut-like supramolecular tannic acid-Fe(III) composite as biomaterials with magnetic, conductive, and antioxidant properties

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dc.authoridŞahiner, Nurettin / 0000-0003-0120-530X
dc.authoridBütün Şengel, Sultan / 0000-0001-7036-2224
dc.authoridYıldız, Mustafa / 0000-0001-5833-7499
dc.contributor.authorŞahiner, Nurettin
dc.contributor.authorBütün Şengel, Sultan
dc.contributor.authorYıldız, Mustafa
dc.date.accessioned2025-01-27T20:45:29Z
dc.date.available2025-01-27T20:45:29Z
dc.date.issued2017
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractTannic acid (TA) complexes with various metal ions are prepared in buffer solutions by readily adjusting the pH, but there is no normalizing method to produce ferric tannate complexes. In this study, TA-Fe(III) complex was prepared in reverse microemulsion medium by reaction of TA as ligand with Fe(III) in 1: 3 ligand: metal ion molar ratio. The complex was characterized by SEM, AFM, FT-IR, elemental analysis, AAS measurement, and Brunauer-Emmett-Teller (BET) method. Furthermore, magnetic susceptibility was tested with the Gouy method, and electronic spectral studies of TA-Fe(III) complex were completed with solid UV-vis measurements. The thermal stability was also studied by TGA analysis. These studies show that the ligand molecules have octahedral arrangement around Fe(III) and the complex is paramagnetic. The bandgap energy of the complex was calculated as 3.42 eV with solid UV-vis analysis. To determine antioxidant activity of the complex, Total Phenol Content (TPC) and Trolox Equivalent Antioxidant Concentration (TEAC) methods were used. The complex has great antioxidant properties with TPC = 45 +/- 1 mg L-1 GAE and TEAC = 296 +/- 2 mM trolox g(-1) for dry sample. [GRAPHICS] .
dc.description.sponsorshipScientific and Technological Research Council of Turkey [113Z238]
dc.description.sponsorshipThis work is supported by the Scientific and Technological Research Council of Turkey [grant number 113Z238].
dc.identifier.doi10.1080/00958972.2017.1398823
dc.identifier.endpage3632
dc.identifier.issn0095-8972
dc.identifier.issn1029-0389
dc.identifier.issue21
dc.identifier.scopus2-s2.0-85033726487
dc.identifier.scopusqualityQ3
dc.identifier.startpage3619
dc.identifier.urihttps://doi.org/10.1080/00958972.2017.1398823
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24591
dc.identifier.volume70
dc.identifier.wosWOS:000418940000004
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofJournal of Coordination Chemistry
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectDonut-like tannic acid complex
dc.subjectferric tannate
dc.subjectantioxidant activity
dc.subjectparamagnetic TA-Fe(II) complex
dc.subjectTA-Fe(II) Nano donuts
dc.titleA facile preparation of donut-like supramolecular tannic acid-Fe(III) composite as biomaterials with magnetic, conductive, and antioxidant properties
dc.typeArticle

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