Ultrasound-induced microbubble coalescence

Share/Save/Bookmark

Postema, Michiel and Marmottant, Philippe and Lancée, Charles T. and Hilgenfeldt, Sascha and Jong, Nico de (2004) Ultrasound-induced microbubble coalescence. Ultrasound in Medicine and Biology, 30 (10). pp. 1337-1344. ISSN 0301-5629

[img] PDF
Restricted to UT campus only
: Request a copy
303kB
Abstract:We studied the interaction of ultrasound contrast agent bubbles coated with a layer of lipids, driven by 0.5 MHz ultrasound. High-speed photography on the submicrosecond timescale reveals that some bubbles bounce off each other, while others show very fast coalescence during bubble expansion. This fast coalescence cannot be explained by dissipation-limited film drainage rates. We conclude that the lipid shell ruptures upon expansion, exposing clean free bubble interfaces that support plug flow profiles in the film and inertia-limited drainage whose time scales match those of the observed coalescence.
Item Type:Article
Copyright:© 2004 World Federation for Ultrasound in Medicine & Biology
Faculty:
Science and Technology (TNW)
Research Group:
Link to this item:http://purl.utwente.nl/publications/50154
Official URL:http://dx.doi.org/10.1016/j.ultrasmedbio.2004.08.008
Export this item as:BibTeX
EndNote
HTML Citation
Reference Manager

 

Repository Staff Only: item control page

Metis ID: 223476