DC Field | Value | Language |
---|---|---|
dc.contributor.author | Lu, Tao | ko |
dc.contributor.author | Lee, Hansuek | ko |
dc.contributor.author | Chen, Tong | ko |
dc.contributor.author | Herchak, Steven | ko |
dc.contributor.author | Kim, Ji-Hun | ko |
dc.contributor.author | Fraser, Scott E. | ko |
dc.contributor.author | Flagan, Richard C. | ko |
dc.contributor.author | Vahala, Kerry | ko |
dc.date.accessioned | 2015-06-24T02:19:30Z | - |
dc.date.available | 2015-06-24T02:19:30Z | - |
dc.date.created | 2015-06-10 | - |
dc.date.created | 2015-06-10 | - |
dc.date.created | 2015-06-10 | - |
dc.date.issued | 2011-04 | - |
dc.identifier.citation | PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, v.108, no.15, pp.5976 - 5979 | - |
dc.identifier.issn | 0027-8424 | - |
dc.identifier.uri | http://hdl.handle.net/10203/198986 | - |
dc.description.abstract | We demonstrate a highly sensitive nanoparticle and virus detection method by using a thermal-stabilized reference interferometer in conjunction with an ultrahigh-Q microcavity. Sensitivity is sufficient to resolve shifts caused by binding of individual nanobeads in solution down to a record radius of 12.5 nm, a size approaching that of single protein molecules. A histogram of wavelength shift versus nanoparticle radius shows that particle size can be inferred from shift maxima. Additionally, the signal-to-noise ratio for detection of Influenza A virus is enhanced to 38:1 from the previously reported 3:1. The method does not use feedback stabilization of the probe laser. It is also observed that the conjunction of particle- induced backscatter and optical-path-induced shifts can be used to enhance detection signal-to-noise. | - |
dc.language | English | - |
dc.publisher | NATL ACAD SCIENCES | - |
dc.title | High sensitivity nanoparticle detection using optical microcavities | - |
dc.type | Article | - |
dc.identifier.wosid | 000289413600016 | - |
dc.identifier.scopusid | 2-s2.0-79955046325 | - |
dc.type.rims | ART | - |
dc.citation.volume | 108 | - |
dc.citation.issue | 15 | - |
dc.citation.beginningpage | 5976 | - |
dc.citation.endingpage | 5979 | - |
dc.citation.publicationname | PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | - |
dc.identifier.doi | 10.1073/pnas.1017962108 | - |
dc.contributor.localauthor | Lee, Hansuek | - |
dc.contributor.nonIdAuthor | Lu, Tao | - |
dc.contributor.nonIdAuthor | Chen, Tong | - |
dc.contributor.nonIdAuthor | Herchak, Steven | - |
dc.contributor.nonIdAuthor | Kim, Ji-Hun | - |
dc.contributor.nonIdAuthor | Fraser, Scott E. | - |
dc.contributor.nonIdAuthor | Flagan, Richard C. | - |
dc.contributor.nonIdAuthor | Vahala, Kerry | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | biosensor | - |
dc.subject.keywordAuthor | nanodetector | - |
dc.subject.keywordAuthor | optical microcavity | - |
dc.subject.keywordPlus | WHISPERING-GALLERY MODES | - |
dc.subject.keywordPlus | SINGLE MOLECULES | - |
dc.subject.keywordPlus | MICROSPHERES | - |
dc.subject.keywordPlus | RESONATORS | - |
dc.subject.keywordPlus | SCATTERING | - |
dc.subject.keywordPlus | SHIFT | - |
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