ArticleUltrasonics sonochemistry2024
Bubble oscillations at low frequency ultrasound for biological applications.
Article in Ultrasonics sonochemistry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 19 citations in OpenAlex.
- Ultrasound-driven electronically programmable microbubbles.Science advances · 2026Article
- Nonlinear modal evolution of microbubbles confined by rigid capillary constraint.Ultrasonics sonochemistry · 2026Article
- Effects of Ultrasonication Combined with Enzymatic Treatment on the Structure and Function of Soy Protein Isolate.Foods (Basel, Switzerland) · 2026Article
- Acoustic Rising Microbubbles for Efficient Liquid Operations.Cyborg and bionic systems (Washington, D.C.) · 2026Article
- Single-bubble sonoluminescence at two adjacent antinodes in a standing wave acoustic field.Ultrasonics sonochemistry · 2025Article
- Acoustofluidics Powered Synthesis of Bacterial Cellulose.ACS sustainable chemistry & engineering · 2025Article
- Bioeffects of ultrasonics in environmental and medical applications.Ultrasonics sonochemistry · 2025Article
- Acoustic standing wave driven bubble dynamics in Oldroyd-B fluids using a semi analytical approach.Scientific reports · 2025Article
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Authors and funding
7 authors at 4 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bubbles oscillating in the presence of ultrasound is commonly employed in biomedical applications for drug delivery, ultrasound enhanced thrombolysis, and the transport and manipulation of cells. This is possible because bubbles tend to interact with the ultrasound to undergo periodic shape changes known as shape-mode oscillation, concomitant with the generation of liquid agitation or streaming. This phenomenon is examined both experimentally and theoretically on a single bubble at a frequency of (45 ± 1) kHz. Effects of ultrasonic frequency and power on the flowfield were explored. Experiments revealed different trends in the development of liquid streaming velocities at different acoustic forcing conditions (5.53, 6.80 and 7.02 Vpp), with lowest (0.5 mm/s) and highest (1.1 mm/s) values of time-averaged mean streaming velocity occurring at 6.80 Vpp and 7.02 Vpp, respectively. Simulations captured the simultaneous evolution of bubble-shapes that helped create flow vortices in the liquid surrounding the bubble. These vortices collectively responsible in generating signature patterns in the liquid for a dominant shape-mode of the bubble, and could also generate localised shear stresses for practical application. The velocity and pressure profiles in the liquid around the bubble confirmed the connection of the applied and reflected soundwaves in driving this phenomenon.
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