Decoding eumelanin's spin label signature: a comprehensive EPR analysis

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dc.contributor.authorPaulin, João Vitor
dc.contributor.authorGraeff, Carlos Frederico de Oliveira [UNESP]
dc.contributor.authorMostert, A. Bernardus
dc.contributor.institutionDepartment of Physics and Centre for Integrative Semiconductor Materials, Swansea University Bay Campus
dc.date.accessioned2024-04-16T12:03:43Z
dc.date.available2024-04-16T12:03:43Z
dc.date.issued2024-01-09
dc.description.abstractEumelanin is a black-brown natural pigment found throughout nature. As a material class, it possesses unique physical and chemical properties that entice much attention from chemists, physicists, and material scientists due to its potential use in medical and sustainable organic (bio)electronics settings. To harness its potential, accurate spectroscopical characterization is a primary requirement for the efficient engineering of eumelanin-based electronic devices. A key spectroscopic technique is electron paramagnetic resonance (EPR) since the persistent paramagnetism of eumelanin is a spin-label signature of its molecular state. This review provides a comprehensive discussion on the origin of eumelanin paramagnetism through a multifrequency EPR approach and highlights the current multi-species point-of-view.en
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipOutra
dc.description.sponsorshipOutra
dc.description.sponsorshipIdFAPESP: 2014/25979-2
dc.description.sponsorshipIdFAPESP: 2020/15869-6
dc.description.sponsorshipIdFAPESP: 2013/07296-2
dc.description.sponsorshipIdCNPq: 406079/2022-6
dc.description.sponsorshipIdMarie Skłodowska-Curie: 663830
dc.description.versionVersão final do editor
dc.identifier.citationPAULIN, J. V. ; GRAEFF, C. F. O. ; MOSTERT, A. B. Decoding eumelanin’s spin label signature: a comprehensive EPR analysis. Materials Advances, 2024, n. 5, p. 1395–1419, 4 fev. 2024.
dc.identifier.doihttps://doi.org/10.1039/D3MA01029E
dc.identifier.issnISSN 2633-5409
dc.identifier.latteshttp://lattes.cnpq.br/4384942479910329
dc.identifier.latteshttp://lattes.cnpq.br/5268607684223281
dc.identifier.orcidhttps://orcid.org/0000-0002-2379-6203
dc.identifier.orcidhttps://orcid.org/0000-0003-0162-8273
dc.identifier.orcidhttps://orcid.org/0000-0002-9590-2124
dc.identifier.urihttps://hdl.handle.net/11449/255150
dc.language.isoeng
dc.publisherRoyal Society of Chemistry
dc.relation.ispartofMaterials Advances
dc.rights.accessRightsAcesso aberto
dc.subjectMelaninen
dc.subjectEeumelaninen
dc.subjectPoly-indolequinoneen
dc.subjectRedox chemistryen
dc.subjectElectron paramagnetic resonanceen
dc.titleDecoding eumelanin's spin label signature: a comprehensive EPR analysis
dc.title.alternativeA decodificação da assinatura de spin da eumelanina: uma análise abrangente de EPRpt
dc.typeArtigo
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências, Baurupt

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