Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4608
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dc.contributorDepartment of Applied Physics-
dc.creatorWong, HT-
dc.creatorChan, HLW-
dc.creatorHao, JH-
dc.date.accessioned2014-12-11T08:23:54Z-
dc.date.available2014-12-11T08:23:54Z-
dc.identifier.urihttp://hdl.handle.net/10397/4608-
dc.language.isoenen_US
dc.publisherOptical Society of Americaen_US
dc.rights© 2010 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-6-6123. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.en_US
dc.subjectGene transferen_US
dc.subjectNanoparticlesen_US
dc.subjectRaman spectroscopyen_US
dc.subjectYtterbiumen_US
dc.titleTowards pure near-infrared to near-infrared upconversion of multifunctional GdF₃:Yb³⁺,Tm³⁺ nanoparticlesen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: Helen Lai Wa Chanen_US
dc.description.otherinformationAuthor name used in this publication: Jianhua Haoen_US
dc.identifier.spage6123-
dc.identifier.epage6130-
dc.identifier.volume18-
dc.identifier.issue6-
dc.identifier.doi10.1364/OE.18.006123-
dcterms.abstractNearly pure near-infrared to near-infrared (NIR-to-NIR) upconversion in GdF₃ host with 23% Yb³⁺ and 1% Tm³⁺ under 980 nm excitation is firstly reported. The ratio of the intensity of the emission at 807 nm to that at 478 nm can reach to 105, and the intensity of the emission at 807 nm is preserved. Moreover, the excitation and the emission at 980 and 807 nm are away from the visible region. These are beneficial to deeper tissue penetration and reduced autofluorescence. Raman spectroscopy measurements suggest the high probability of NIR emission in GdF₃ host. Our results indicate that the reported multifunctional nanoparticles are promising in bio-imaging and bio-separation.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationOptics express, 15 Mar. 2010, v. 18, no. 6, p. 6123-6130-
dcterms.isPartOfOptics express-
dcterms.issued2010-03-15-
dc.identifier.isiWOS:000276002500084-
dc.identifier.scopus2-s2.0-77949631370-
dc.identifier.pmid20389634-
dc.identifier.eissn1094-4087-
dc.identifier.rosgroupidr48898-
dc.description.ros2009-2010 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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