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Exfoliated near infrared fluorescent silicate nanosheets for (bio)photonics

dc.contributor.authorSelvaggio, Gabriele
dc.contributor.authorChizhik, Alexey
dc.contributor.authorNißler, Robert
dc.contributor.authorKuhlemann, llyas
dc.contributor.authorMeyer, Daniel
dc.contributor.authorVuong, Loan
dc.contributor.authorPreiß, Helen
dc.contributor.authorHerrmann, Niklas
dc.contributor.authorMann, Florian A.
dc.contributor.authorLv, Zhiyi
dc.contributor.authorOswald, Tabea A.
dc.contributor.authorSpreinat, Alexander
dc.contributor.authorErpenbeck, Luise
dc.contributor.authorGroßhans, Jörg
dc.contributor.authorKarius, Volker
dc.contributor.authorJanshoff, Andreas
dc.contributor.authorPablo Giraldo, Juan
dc.contributor.authorKruss, Sebastian
dc.date.accessioned2020-05-28T13:40:57Z
dc.date.available2020-05-28T13:40:57Z
dc.date.issued2020de
dc.identifier.urihttp://resolver.sub.uni-goettingen.de/purl?gs-1/17352
dc.description.abstractImaging of complex (biological) samples in the near-infrared (NIR) is beneficial due toreduced light scattering, absorption, phototoxicity, and autofluorescence. However, there arefew NIRfluorescent materials known and suitable for biomedical applications. Here weexfoliate the layered pigment $CaCuSi_4O_{10}$ (Egyptian Blue, EB) via ball milling and facile tipsonication into NIRfluorescent nanosheets (EB-NS). The size of EB-NS can be tailored todiameters <20 nm and heights down to 1 nm. EB-NSfluoresce at 910 nm and thefluorescenceintensity correlates with the number of $Cu^{2+}$ ions. Furthermore, EB-NS display no bleachingand high brightness compared with other NIRfluorophores. The versatility of EB-NS isdemonstrated by in-vivo single-particle tracking and microrheology measurements inDro-sophila melanogasterembryos. EB-NS can be uptaken by plants and remotely detected in alow-cost stand-off detection setup. In summary, EB-NS have the potential for a wide range ofbioimaging applications.de
dc.description.sponsorshipOpen-Access-Publikationsfonds 2020
dc.language.isoengde
dc.rightsopenAccess
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectFluorescence imaging; Imaging techniques; Nanoparticles; Nanophotonics and plasmonics; Nanoscale biophysicsde
dc.subject.ddc540
dc.titleExfoliated near infrared fluorescent silicate nanosheets for (bio)photonicsde
dc.typejournalArticlede
dc.identifier.doi10.1038/s41467-020-15299-5
dc.type.versionpublishedVersionde
dc.relation.eISSN2041-1723
dc.bibliographicCitation.volume11de
dc.bibliographicCitation.issue1de
dc.bibliographicCitation.firstPage1de
dc.bibliographicCitation.lastPage11de
dc.type.subtypejournalArticle
dc.bibliographicCitation.articlenumber1495de
dc.description.statuspeerReviewedde
dc.bibliographicCitation.journalNature Communicationsde


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