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Perversions with a twist

2016-03-30Artigo científico Acesso aberto
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dc.contributor.authorSilva, Pedro E. S.
dc.contributor.authorTrigueiros, João L.
dc.contributor.authorTrindade, Ana C.
dc.contributor.authorSimões, Ricardo
dc.contributor.authorDias, Ricardo G.
dc.contributor.authorGodinho, Maria Helena
dc.contributor.authorDe Abreu, Fernao Vistulo
dc.contributor.institutionCENIMAT-i3N - Centro de Investigação de Materiais (Lab. Associado I3N)
dc.contributor.institutionDCM - Departamento de Ciência dos Materiais
dc.contributor.pblNature Publishing Group
dc.date.accessioned2020-06-10T00:45:08Z
dc.date.available2020-06-10T00:45:08Z
dc.date.issued2016-03-30
dc.descriptionPESS acknowledges grant FCT SFRH/BD/76369/201. MHG acknowledges PTDC/CTM-BIO/6178/2014.
dc.description.abstractPerversions connecting two helices with symmetric handedness are a common occurrence in nature, for example in tendrils. These defects can be found in our day life decorating ribbon gifts or when plants use tendrils to attach to a support. Perversions arise when clamped elastic filaments coil into a helical shape but have to conserve zero overall twist. We investigate whether other types of perversions exist and if they display different properties. Here we show mathematically and experimentally that a continuous range of different perversions can exist and present different geometries. Experimentally, different perversions were generated using micro electrospun fibres. Our experimental results also confirm that these perversions behave differently upon release and adopt different final configurations. These results also demonstrate that it is possible to control on demand the formation and shape of microfilaments, in particular, of electrospun fibres by using ultraviolet light.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent3199049
dc.identifier.doi10.1038/srep23413
dc.identifier.issn2045-2322
dc.identifier.otherPURE: 18516546
dc.identifier.otherPURE UUID: fe0dba8d-4ca5-481e-a81a-91b5cedeb454
dc.identifier.otherScopus: 84963704125
dc.identifier.otherPubMed: 27025549
dc.identifier.otherPubMedCentral: PMC4812244
dc.identifier.otherWOS: 000373027500001
dc.identifier.otherORCID: /0000-0002-8783-8740/work/75368391
dc.identifier.urihttp://hdl.handle.net/10362/99135
dc.identifier.urlhttps://www.scopus.com/pages/publications/84963704125
dc.language.isoeng
dc.peerreviewedyes
dc.relationinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/101776/PT
dc.relationinfo:eu-repo/grantAgreement/FCT/5876/147343/PT
dc.subjectGeneral
dc.titlePerversions with a twisten
dc.typejournal article
degois.publication.titleScientific Reports
degois.publication.volume6
dspace.entity.typePublication
oaire.awardNumberPTDC/CTM/101776/2008
oaire.awardNumberUID/BIM/04501/2013
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/PTDC%2FCTM%2F101776%2F2008/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FBIM%2F04501%2F2013/PT
oaire.fundingStream5876-PPCDTI
oaire.fundingStream5876
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
relation.isProjectOfPublication38a0d88b-eea1-4166-8583-7b0f0947a73c
relation.isProjectOfPublication58ccdf77-e22a-454e-b619-1908470e79f5
relation.isProjectOfPublication.latestForDiscovery58ccdf77-e22a-454e-b619-1908470e79f5

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