Pulled microcapillary tube resonators with electrical readout for mass sensing applications

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dc.contributor.authorLee, Donghyukko
dc.contributor.authorKim, Joonhuiko
dc.contributor.authorCho, Nam-Joonko
dc.contributor.authorKang, Taewookko
dc.contributor.authorKauh, Sangkenko
dc.contributor.authorLee, Jungchulko
dc.date.accessioned2018-09-18T05:53:42Z-
dc.date.available2018-09-18T05:53:42Z-
dc.date.created2018-08-21-
dc.date.created2018-08-21-
dc.date.created2018-08-21-
dc.date.issued2016-10-
dc.identifier.citationSCIENTIFIC REPORTS, v.6-
dc.identifier.issn2045-2322-
dc.identifier.urihttp://hdl.handle.net/10203/245451-
dc.description.abstractThis paper reports a microfabrication-free approach to make hollow channel mass sensors by pulling a glass capillary and suspending it on top of a machined jig. A part of the pulled section makes simple contact with an actuation node and a quartz tuning fork (QTF) which acts as a sensing node. The two nodes define a pulled micro capillary tube resonator (P mu TR) simply supported at two contacts. While a piezo actuator beneath the actuation node excites the P mu TR, the QTF senses the resonance frequency of the P mu TR. The proposed concept was validated by electrical and optical measurements of resonant spectra of P mu TR. Then, different liquid samples including water, ethanol, glycerol, and their binary mixtures were introduced into the P mu TR and the resonance frequency of the P mu TR was measured as a function of liquid density. Density responsivity of -3,088 Hz-g(-1) cm(3) obtained is comparable to those of microfabricated hollow resonators. With a micro droplet generation chip configured in series with the P mu TR, size distribution of oil droplets suspended in water was successfully measured with the radius resolution of 31 nm at the average droplet radius, 28.47 mu m. Overall, typical off-the-shelf parts simply constitute a resonant mass sensing system along with a convenient electrical readout.-
dc.languageEnglish-
dc.publisherNATURE PUBLISHING GROUP-
dc.titlePulled microcapillary tube resonators with electrical readout for mass sensing applications-
dc.typeArticle-
dc.identifier.wosid000384755500001-
dc.identifier.scopusid2-s2.0-84989946591-
dc.type.rimsART-
dc.citation.volume6-
dc.citation.publicationnameSCIENTIFIC REPORTS-
dc.identifier.doi10.1038/srep33799-
dc.contributor.localauthorLee, Jungchul-
dc.contributor.nonIdAuthorLee, Donghyuk-
dc.contributor.nonIdAuthorKim, Joonhui-
dc.contributor.nonIdAuthorCho, Nam-Joon-
dc.contributor.nonIdAuthorKang, Taewook-
dc.contributor.nonIdAuthorKauh, Sangken-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusFLUID-DENSITY SENSOR-
dc.subject.keywordPlusSUSPENDED MICROCHANNEL RESONATORS-
dc.subject.keywordPlusSINGLE CELLS-
dc.subject.keywordPlusBUOYANT MASS-
dc.subject.keywordPlusREAL-TIME-
dc.subject.keywordPlusLIQUID-
dc.subject.keywordPlusRESOLUTION-
dc.subject.keywordPlusDEFORMABILITY-
dc.subject.keywordPlusSPECTROMETRY-
dc.subject.keywordPlusVOLUME-
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