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Microbubble dynamics and jetting near tissue-phantom biointerfaces
ID Mur, Jaka (Author), ID Agrež, Vid (Author), ID Petelin, Jaka (Author), ID Petkovšek, Rok (Author)

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Abstract
Precise excitation of cavitation is a promising mechanism for microsurgery procedures and targeted drug delivery enhancement. The underlying phenomenon of interest, jetting behaviour of oscillating cavitation bubbles, occurs due to near-surface interactions between the boundary, liquid, and bubble. Within this study we measured boundary effects on the cavitation bubble dynamics and morphology, with an emphasis on observation and measurement of jetting behaviour near tissue-phantom biointerfaces. An important mechanism of boundary poration has been observed using time-resolved optical microscopy and explained for different tissue-phantom surface densities and Young’s modulus. Below a critical distance to the boundary, around γ = 1.0, the resulting jets penetrated the tissue-phantom, resulting in highly localized few micrometer diameter jets.

Language:English
Keywords:cavitation bubbles, laser breakdown, tissue phantom, sonoporation
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Publication status:Published
Publication version:Version of Record
Year:2022
Number of pages:9 str.
Numbering:Vol. 13, no. 2, art. 449814
PID:20.500.12556/RUL-134937 This link opens in a new window
UDC:532.528
ISSN on article:2156-7085
DOI:10.1364/BOE.449814 This link opens in a new window
COBISS.SI-ID:97105923 This link opens in a new window
Copyright:
“© 2022 Optica Publishing Group under the terms of the Open Access Publishing Agreement. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for noncommercial purposes and appropriate attribution is maintained. All other rights are reserved.” (Datum opombe: 10. 5. 2023)
Publication date in RUL:11.02.2022
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Downloads:155
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Record is a part of a journal

Title:Biomedical optics express
Shortened title:Biomed. opt. express
Publisher:Optica
ISSN:2156-7085
COBISS.SI-ID:24857383 This link opens in a new window

Secondary language

Language:Slovenian
Keywords:kavitacijski mehurčki, laserski preboj, tkivni fantom, sonoporacija

Projects

Funder:ARRS - Slovenian Research Agency
Project number:J2-3057
Name:Kontrolirano generiranje mikromehurčkov in raziskave njihove fizike za uporabo v kemiji, biologiji in medicini

Funder:ARRS - Slovenian Research Agency
Project number:L2-9240
Name:Ultrakratki laserski pulzi na zahtevo

Funder:ARRS - Slovenian Research Agency
Project number:P2-0270
Name:Proizvodni sistemi, laserske tehnologije in spajanje materialov

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