Characterization and spectroscopic study of enzymatic oligomerization of phenazopyridine hydrochloride

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dc.contributor.authorKolcu, Feyza
dc.date.accessioned2025-01-27T20:52:12Z
dc.date.available2025-01-27T20:52:12Z
dc.date.issued2019
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractPhenazopyridine hydrochloride (PHP), an azo dye, has been used in pharmaceutical chemistry. This study delineated the synthetic pathway of enzymatically oligomerized based on PHP. The molecular characterization of O-PHP was determined via UV-vis, infrared, H-1 NMR and C-13 NMR techniques. Solvent effect on the electronic absorption of O-PHP was investigated. Further analysis was fulfilled by photoluminescence (PL), thermal analysis (TG-DTA and DSC) and electrochemical (CV) measurements. PL measurements resulted in the response of O-PHP with bicolor light emissions upon Ultra-Violet and visible light, respectively. CV method was utilized to evaluate the HOMO-LUMO energy levels and the electrochemical (E-g') band gaps of the monomer and the oligomer. Optical and electrochemical band gaps of O-PHP were lower than those of PHP, confirming the accomplished synthesis of pi-conjugated structure of O-PHP. Scanning Electron Microscopy (SEM) technique was carried out to study the surface morphology of O-PHP. Additionally, the results of thermal studies of TG-DTA and DSC techniques showed that O-PHP was thermally stable compound. (C) 2019 Elsevier B.V. All rights reserved.
dc.identifier.doi10.1016/j.molstruc.2019.03.083
dc.identifier.endpage85
dc.identifier.issn0022-2860
dc.identifier.issn1872-8014
dc.identifier.scopus2-s2.0-85064229398
dc.identifier.scopusqualityQ1
dc.identifier.startpage76
dc.identifier.urihttps://doi.org/10.1016/j.molstruc.2019.03.083
dc.identifier.urihttps://hdl.handle.net/20.500.12428/25695
dc.identifier.volume1188
dc.identifier.wosWOS:000464988000011
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofJournal of Molecular Structure
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectPhenazopyridine hydrochloride
dc.subjectEnzymatic oligomerization
dc.subjectSolvent effect
dc.subjectBand gap
dc.subjectMorphology
dc.titleCharacterization and spectroscopic study of enzymatic oligomerization of phenazopyridine hydrochloride
dc.typeArticle

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