Plasmonic colloidal pastes for surface-enhanced Raman spectroscopy (SERS) of historical felt-tip pens

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dc.contributor.author Saviello, Daniela
dc.contributor.author Alyami, Abeer
dc.contributor.author Trabace, Maddalena
dc.contributor.author Giorgi, Rodorico
dc.contributor.author Baglioni, Piero
dc.contributor.author Mirabile, Antonio
dc.contributor.author Iacopino, Daniela
dc.date.accessioned 2018-05-02T10:16:24Z
dc.date.available 2018-05-02T10:16:24Z
dc.date.issued 2018
dc.identifier.citation Saviello, D., Alyami, A., Trabace, M., Giorgi, R., Baglioni, P., Mirabile, A. and Iacopino, D. (2018) 'Plasmonic colloidal pastes for surface-enhanced Raman spectroscopy (SERS) of historical felt-tip pens', RSC Advances, (15), 8, pp. 8365-8371. doi: 10.1039/c7ra13464a en
dc.identifier.issued 15
dc.identifier.startpage 8365
dc.identifier.endpage 8371
dc.identifier.issn 2046-2069
dc.identifier.uri http://hdl.handle.net/10468/5939
dc.identifier.doi 10.1039/c7ra13464a
dc.description.abstract Surface-enhanced Raman spectroscopy (SERS) has been identified as a suitable technique for the analysis of colorants in works of art. Herein, the application of SERS to the identification of dye compositions in historical felt-tip pens is reported, which is of paramount importance for the development of appropriate conservation protocols for historical drawings. In this study, three pens (pink, green, and blue colors) belonging to the film director Federico Fellini were analyzed. SERS measurements were performed directly on the pen lines drawn on a commercial paper by the deposition of Ag colloidal pastes, which allowed fast in situ dye identification without the need for extraction or hydrolysis treatments. Eosin Y was identified as the only dye present in the pink pen ink, whereas erioglaucine was found to be the main dye component in green and blue pen inks. SERS also resulted in highly efficient identification of the individual dyes erioglaucine, crystal violet, and rhodamine present as a mixture in the blue pen ink. The high SERS sensitivity was ascribed to the plasmonic effects and efficient quenching of the fluorescence interference of dyes. A comparison with contemporary pen inks highlighted minor differences in the chemical composition. These results prove that SERS can be used as a fast and sensitive analytical tool for ink analysis that provides invaluable support for the general assessment of the date, provenance, and originality of the historical drawings as well as for the development of preventive conservation protocols. en
dc.description.sponsorship Irish Research Council (GOIPD/2015/716) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Royal Society of Chemistry en
dc.relation.uri http://pubs.rsc.org/en/Content/ArticleLanding/2018/RA/C7RA13464A#!divAbstract
dc.rights © 2018, Royal Society of Chemistry. This Open Access Article is licensed under a Creative Commons Attribution 3.0 Unported Licence http://creativecommons.org/licenses/by/3.0/ en
dc.rights.uri http://creativecommons.org/licenses/by/3.0/
dc.subject Felt-tip pens en
dc.subject Dye identification en
dc.subject Pen ink en
dc.subject Plasmonic effect en
dc.subject Ink analysis en
dc.title Plasmonic colloidal pastes for surface-enhanced Raman spectroscopy (SERS) of historical felt-tip pens en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Daniela Iacopino, Tyndall National Institute, University College Cork, Cork, Ireland +353-21-490-3000 E-mail: daniela.iacopino@tyndall.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.contributor.funder Irish Research Council
dc.contributor.funder Horizon 2020
dc.description.status Peer reviewed en
dc.identifier.journaltitle RSC Advances en
dc.internal.IRISemailaddress daniela.iacopino@tyndall.ie en
dc.relation.project info:eu-repo/grantAgreement/EC/H2020::IA/646063/EU/NANOmaterials for the REStoration of works of ART/NANORESTART


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© 2018, Royal Society of Chemistry. This Open Access Article is licensed under a Creative Commons Attribution 3.0 Unported Licence http://creativecommons.org/licenses/by/3.0/ Except where otherwise noted, this item's license is described as © 2018, Royal Society of Chemistry. This Open Access Article is licensed under a Creative Commons Attribution 3.0 Unported Licence http://creativecommons.org/licenses/by/3.0/
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