Controlled bio-catalytic synthesis of ampyrone–vanillin macromolecules: Deciphering the transition from nano-oligomers to polymers and the limits of enzymatic stability

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dc.authorid0000-0001-7740-3252
dc.contributor.authorTemizkan Özdamar, Kevser
dc.date.accessioned2026-06-11T16:21:06Z
dc.date.available2026-06-11T16:21:06Z
dc.date.issued2026
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Kimya Mühendisliği Bölümü
dc.description.abstractThis study reports the time-controlled biocatalytic synthesis of nanostructured macromolecules derived from heteroaromatic ampyrone and bio-based vanillin. By optimizing the reaction duration (2, 4, and 6 h) with Horseradish Peroxidase (HRP), stable nano-oligomers (NSO-1, NSO-2) and a robust polymer (nano-pores polymer/NP-P) were successfully isolated. The novelty of this work lies in the precise temporal mapping of the HRP-catalyzed process, identifying a 6 h ‘stability window’ that maximizes molecular growth (Mw = 5743 g/ mol, n ≈ 14) before the onset of enzymatic chain scission. Characterization revealed a significant reduction in the optical band gap from 2.38 eV to 1.49 eV and a morphological transition from macrocrystalline rods to nano porous matrices. These results demonstrate that temporal control in enzymatic synthesis enables fine-tuning of optoelectronic and thermal properties, positioning these sustainable hybrids as viable candidates for organic photovoltaics and smart material technologies.
dc.identifier.citationTemizkan Özdamar, K. (2026). Controlled bio-catalytic synthesis of ampyrone–vanillin macromolecules: Deciphering the transition from nano-oligomers to polymers and the limits of enzymatic stability. Inorganic Chemistry Communications, 190, pp. 1-14. https://doi.org/10.1016/j.inoche.2026.116859
dc.identifier.doi10.1016/j.inoche.2026.116859
dc.identifier.endpage14
dc.identifier.issn1387-7003
dc.identifier.issn1879-0259
dc.identifier.issnhttps://doi.org/10.1016/j.inoche.2026.116859
dc.identifier.scopus2-s2.0-105039766029
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/20.500.13055/1511
dc.identifier.urihttps://doi.org/10.1016/j.inoche.2026.116859
dc.identifier.volume190
dc.identifier.wosWOS:001783341600001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.indekslendigikaynak.otherSCI-E - Science Citation Index Expanded
dc.institutionauthorTemizkan Özdamar, Kevser
dc.institutionauthorid0000-0001-7740-3252
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofInorganic Chemistry Communications
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectBiocatalysis
dc.subjectHRP-Mediated Polymerization
dc.subjectReaction Kinetics
dc.subjectAmpyrone-Vanillin Hybrids
dc.subjectThermal Stability
dc.subjectNano-Architectures
dc.titleControlled bio-catalytic synthesis of ampyrone–vanillin macromolecules: Deciphering the transition from nano-oligomers to polymers and the limits of enzymatic stability
dc.typeArticle
dspace.entity.typePublication

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