50 anos da UNESP
Logotipo do repositório

In-Depth Analysis of the Paramagnetic Properties in DHI/DHICA-Controlled Eumelanin

Página do item simplificado
dc.contributor.authorPaulin, João V. [UNESP]
dc.contributor.authorCachaneski-Lopes, João P. [UNESP]
dc.contributor.authorCarrella, Emanuele
dc.contributor.authorPezzella, Alessandro
dc.contributor.authorBatagin-Neto, Augusto [UNESP]
dc.contributor.authorGraeff, Carlos F. O. [UNESP]
dc.date.accessioned2026-04-25T00:30:50Z
dc.date.issued2025-11-07
dc.description.abstractEumelanin, a naturally occurring pigment derived from the oxidative polymerization of 5,6-dihydroxyindole (DHI) and 5,6-dihydroxyindole-2-carboxylic acid (DHICA), has been extensively studied for its role in human biology and its potential applications in biomedical and sustainable electronic fields. By employing X-band electron paramagnetic resonance spectroscopy, this study focuses on eumelanin with different DHI/DHICA ratios, directly comparing monomeric and polymeric forms. The analysis reveals significant differences in the paramagnetic profiles, with changes in spin dynamics and relaxation times closely linked to the distinct macrostructures formed during polymerization. These findings offer valuable insights into how the molecular architecture of eumelanin influences its paramagnetic environments.
dc.description.affiliationSchool of Sciences, Department of Physics and Meteorology, São Paulo State University (UNESP), Bauru, São Paulo, 17033-360, Brazil
dc.description.affiliationGraduate Program in Materials Science and Technology (POSMAT), São Paulo State University (UNESP), Bauru, São Paulo, 17033-360, Brazil
dc.description.affiliationDepartment of Chemical Sciences, University of Naples Federico II, via Cinthia 4, Naples, 80126, Italy
dc.description.affiliationDepartment of Physics Ettore Pancini, University of Naples Federico II, Via Vicinale Cupa Cintia, 21, Naples, 80126, Italy
dc.description.affiliationInstitute for Polymers Composites and Biomaterials (IPCB) CNR, Via Campi Flegrei 34, IT, Naples, Pozzuoli, 80078, Italy
dc.description.affiliationNational Interuniversity Consortium of Materials Science and Technology (INSTM), Piazza S. Marco, 4, Florence, Naples, 50121, Italy
dc.description.affiliationBioelectronics Task Force at University of Naples Federico II, Naples, 80126, Italy
dc.description.affiliationInstitute of Sciences and Engineering, São Paulo State University (UNESP), Itapeva, São Paulo, 18409-010, Brazil
dc.description.affiliationUnespSchool of Sciences, Department of Physics and Meteorology, São Paulo State University (UNESP), Bauru, São Paulo, 17033-360, Brazil
dc.description.affiliationUnespGraduate Program in Materials Science and Technology (POSMAT), São Paulo State University (UNESP), Bauru, São Paulo, 17033-360, Brazil
dc.description.affiliationUnespInstitute of Sciences and Engineering, São Paulo State University (UNESP), Itapeva, São Paulo, 18409-010, Brazil
dc.identifierhttps://app.dimensions.ai/details/publication/pub.1194816907
dc.identifier.dimensionspub.1194816907
dc.identifier.doi10.1021/acsomega.5c08896
dc.identifier.issn2470-1343
dc.identifier.orcid0000-0002-2379-6203
dc.identifier.orcid0000-0002-6672-4170
dc.identifier.orcid0000-0001-6925-922X
dc.identifier.orcid0000-0003-4609-9002
dc.identifier.orcid0000-0003-0162-8273
dc.identifier.pmcidPMC12631427
dc.identifier.pmid41280797
dc.identifier.urihttps://hdl.handle.net/11449/322648
dc.publisherAmerican Chemical Society (ACS)
dc.relation.ispartofACS Omega; n. 45; v. 10; p. 54919-54928
dc.rights.accessRightsAcesso abertopt
dc.rights.sourceRightsoa_all
dc.rights.sourceRightsgold
dc.sourceDimensions
dc.titleIn-Depth Analysis of the Paramagnetic Properties in DHI/DHICA-Controlled Eumelanin
dc.typeArtigopt
dspace.entity.typePublication
relation.isOrgUnitOfPublication60983e98-80f1-40b9-89b7-a00760584c8b
relation.isOrgUnitOfPublicationaef1f5df-a00f-45f4-b366-6926b097829b
relation.isOrgUnitOfPublication.latestForDiscovery60983e98-80f1-40b9-89b7-a00760584c8b
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Ciências, Baurupt
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Ciências e Engenharia, Itapeva

Arquivos

Pacote original

Agora exibindo 1 - 1 de 1
Imagem de Miniatura
Nome:
art_in-depth-analysis-of-the-paramagnetic-properties-in-dhi-dhica-controlled-eumelanin.pdf
Tamanho:
3,04 MB
Formato:
Adobe Portable Document Format
Baixar

Coleções

Bauru - FC - Faculdade de Ciências
Itapeva - ICE - Instituto de Ciências e Engenharia