Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/51317
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dc.contributor.authorJurkonis, Rytis-
dc.contributor.authorLamanauskas, Nerijus-
dc.contributor.authorŠatkauskas, Saulius-
dc.coverage.spatialPL-
dc.date.accessioned2018-10-06T23:03:47Z-
dc.date.available2018-10-06T23:03:47Z-
dc.date.issued2015-
dc.identifier.issn01375075-
dc.identifier.otherVDU02-000019069-
dc.identifier.urihttp://acoustics.ippt.pan.pl/index.php/aa/article/view/1432-
dc.description.abstractAcoustic properties of ultrasound (US) contrast agent microbubbles (MB) highly influence sonoporation efficiency and intracellular drug and gene delivery. In this study we propose an acoustic method to monitor passive and excited MBs in a real time. MB monitoring system consisted of two separate transducers. The first transducer delivered over an interval of 1 s US pulses (1 MHz, 1% duty cycle, 100 Hz repetition frequency) with stepwise increased peak negative pressure (PNP), while the second one continuously monitored acoustic response of SonoVue MBs. Pulse echo signals were processed according to the substitution method to calculate attenuation coefficient spectra and loss of amplitude. During US exposure at 50–100 kPa PNP we observed a temporal increase in loss of amplitude which coincided with the US delivery. Transient increase in loss of amplitude vanished at higher PNP values. At higher PNP values loss of amplitude decreased during the US exposure indicating MB sonodestruction. Analysis of transient attenuation spectra revealed that attenuation coefficient was maximal at 1.5 MHz frequency which is consistent with resonance frequency of SonoVue MB. The method allows evaluation of the of resonance frequency of MB, onset and kinetics of MB sonodestructionen
dc.description.sponsorshipBiologijos katedra-
dc.description.sponsorshipGamtos mokslų fakultetas-
dc.description.sponsorshipKauno technologijos universitetas-
dc.description.sponsorshipVytauto Didžiojo universitetas-
dc.format.extentp. 293-300-
dc.language.isoen-
dc.relation.ispartofArchives of acoustics. Warszawa : Polish Academy of Sciences, 2015, vol. 40, no. 3-
dc.relation.isreferencedbyScience Citation Index Expanded (Web of Science)-
dc.subjectSonoVuelt
dc.subjectMicrobubblelt
dc.subjectLoss of amplitudelt
dc.subjectAttenuation coefficienten
dc.subjectResonance frequencyen
dc.subjectSonodestructionen
dc.subject.otherBiofizika / Biophysics (N011)-
dc.titleAcoustic estimation of resonance frequency and sonodestruction of sonoVue microbubblesen
dc.typeStraipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)-
dc.identifier.doihttps://doi.org/10.1515/aoa-2015-0032-
dc.identifier.isiWOS:000360838400001-
dcterms.bibliographicCitation34-
dc.date.updated2020-01-29T16:18Z-
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local.typeS-
item.grantfulltextopen-
item.fulltextWith Fulltext-
crisitem.author.deptTarptautinių ryšių departamentas-
crisitem.author.deptBiologijos katedra-
crisitem.author.deptBiologijos katedra-
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications
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