Acoustic Droplet Formation
Acoustic Droplet Formation - Related Videos
08:28
Synthesis of Phase-shift Nanoemulsions with Narrow Size Distributions for Acoustic Droplet Vaporization and Bubble-enhanced Ultrasound-mediated Ablation
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Cited by 18 •
2012
Phase-shift nanoemulsions (PSNE) can be vaporized using high intensity focused ultrasound to enhance localized heating and improve thermal ablation in tumors. In this report, the preparation of stable PSNE with a narrow size distribution is described. Furthermore, the impact of vaporized PSNE on ultrasound-mediated ablation is demonstrated in tissue-mimicking phantoms.
12:26
Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics
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Cited by 4 •
2013
In this video we first describe fabrication and operation procedures of a surface acoustic wave (SAW) acoustic counterflow device. We then demonstrate an experimental setup that allows for both qualitative flow visualization and quantitative analysis of complex flows within the SAW pumping device.
13:10
Title Cell Encapsulation by Droplets
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Cited by 4 •
2007
14:22
Activating Molecules, Ions, and Solid Particles with Acoustic Cavitation
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Cited by 6 •
2014
Acoustic cavitation in liquids submitted to power ultrasound creates transient extreme conditions inside the collapsing bubbles, which are the origin of unusual chemical reactivity and light emission, known as sonoluminescence. In the presence of noble gases, nonequilibrium plasma is formed. The "hot" particles and the photons generated by collapsing bubbles are able to excite species in solution.
14:16
Fluorescence detection methods for microfluidic droplet platforms
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Cited by 20 •
2011
Droplet-based microfluidic platforms are promising candidates for high throughput experimentation since they are able to generate picoliter, self-compartmentalized vessels inexpensively at kHz rates. Through integration with fast, sensitive and high resolution fluorescence spectroscopic methods, the large amounts of information generated within these systems can be efficiently extracted, harnessed and utilized.
FAQs
Focused acoustic waves transfer momentum to the liquid surface rather than contacting it with a dispensing tool. This energy produces capillary waves, which can eject liquid from the surface as discrete droplets. Controlling the acoustic input supports reproducible droplet formation, helping researchers position small amounts of biological material with greater experimental consistency.
Capillary waves provide the surface motion that enables liquid to separate into an ejected droplet. Their role connects the applied sound energy with the physical release of fluid from the source surface. This mechanism allows the technique to handle biological samples without requiring a pipette or dispenser to touch the liquid directly.
The technique transfers liquid without direct contact between a dispensing device and the sample. That distinction can reduce contamination risk and material loss compared with contact-based handling. It is especially relevant when researchers work with valuable cells, biomolecules, or reagents and need repeated delivery while preserving sample resources and experimental control.
Reproducible droplet size and placement improve control over how biological samples and reagents are delivered. Consistent deposition supports reliable miniaturized assays, screening workflows, and other experiments that compare many conditions. It also helps conserve limited materials because the method can deliver controlled amounts rather than relying on less precise handling.
A typical workflow places the liquid sample in position, applies focused acoustic energy to its surface, and directs the resulting droplet to a selected destination. The delivered material may be a cell suspension, biomolecule, reagent, or other biological sample. This noncontact sequence supports automated handling while limiting unnecessary sample transfer and material loss.
Acoustic Droplet Formation supports miniaturized assays, high-throughput screening, single-cell studies, and automated laboratory workflows. These applications benefit from precise delivery and reduced consumption of biological materials. In single-cell and screening contexts, controlled droplet generation and placement can help organize many small-volume experimental conditions for systematic analysis.