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Agarose-stabilized gold nanoparticles for surface-enhanced Raman spectroscopic detection of DNA nucleosides

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http://hdl.handle.net/10355/7406
dc.contributor.authorKattumuri, Vijayalakshmi, 1976-eng
dc.contributor.authorChandrasekhar, Meeraeng
dc.contributor.authorGuha, Suchieng
dc.contributor.authorRaghuraman, Keng
dc.contributor.authorKatti, Kattesh V.eng
dc.contributor.authorGhosh, K.eng
dc.contributor.authorPatel, R. J.eng
dc.date.issued2006eng
dc.descriptiondoi:10.1063/1.2192573 http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=APPLAB000088000015153114000001&idtype=cvips&prog=normal&doi=10.1063/1.2192573eng
dc.description.abstractWe present surface-enhanced Raman scattering (SERS) studies of DNA nucleosides using biologically benign agarose-stabilized gold nanoparticles (AAuNP). We compare the SERS activity of nucleosides with AAuNP to that of commercially obtained citrate-stabilized gold nanoparticles and find the SERS activity to be an order of magnitude higher with AAuNP. The higher SERS activity is explained in terms of the agarose matrix, which provides pathways for the gold nanoparticles to have distinct arrangements that result in stronger internal plasmon resonances.eng
dc.description.sponsorshipThis work was supported through the University of Missouri Research Board grants URB04-023 (S.G.) and URB03-080 (M.C. and K.V.K.), NSF under Grant No. DMR-0413601and the NCI under Grant No. IR0ICA119412-01. The gold nanoparticles were produced and supplied by the University of Missouri Nanoparticle Production Core Facility.eng
dc.identifier.citationAppl. Phys. Lett. 88, 153114 (2006eng
dc.identifier.issn0003-6951eng
dc.identifier.urihttp://hdl.handle.net/10355/7406eng
dc.languageEnglisheng
dc.publisherAmerican Institute of Physicseng
dc.relation.ispartofcollectionUniversity of Missouri--Columbia. College of Arts and Sciences. Department of Physics and Astronomy. Physics and Astronomy publicationseng
dc.subjectgold nanoparticleseng
dc.subjectsurface enhanced Raman scatteringeng
dc.subject.lcshNanoparticleseng
dc.subject.lcshGoldeng
dc.subject.lcshNanotechnologyeng
dc.subject.lcshPolymerseng
dc.subject.lcshRaman effect, Surface enhancedeng
dc.titleAgarose-stabilized gold nanoparticles for surface-enhanced Raman spectroscopic detection of DNA nucleosideseng
dc.typeArticleeng


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