ArticleBiomicrofluidics2016
Amplitude modulation schemes for enhancing acoustically-driven microcentrifugation and micromixing.
Article in Biomicrofluidics, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Machine learning-augmented fluid dynamics simulations for micromixer educational module.Biomicrofluidics · 2023Article
- Nanoscale plasma-activated aerosol generation for in situ surface pathogen disinfection.Microsystems & nanoengineering · 2022Article
- Acoustic vibrational resonance in a Rayleigh-Plesset bubble oscillator.Ultrasonics sonochemistry · 2021Article
- Enhancing rate of water absorption in seeds via a miniature surface acoustic wave device.Royal Society open science · 2019Article
- A Review on Micromixers.Micromachines · 2017Review
- Surface acoustic wave devices for chemical sensing and microfluidics: A review and perspective.Analytical methods : advancing methods and applications · 2017Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The ability to drive microcentrifugation for efficient micromixing and particle concentration and separation on a microfluidic platform is critical for a wide range of lab-on-a-chip applications. In this work, we investigate the use of amplitude modulation to enhance the efficiency of the microcentrifugal recirculation flows in surface acoustic wave microfluidic systems, thus concomitantly reducing the power consumption in these devices for a given performance requirement-a crucial step in the development of miniaturized, integrated circuits for true portable functionality. In particular, we show that it is possible to obtain an increase of up to 60% in the acoustic streaming velocity in a microdroplet with kHz order modulation frequencies due to the intensification in Eckart streaming; the streaming velocity is increasing as the modulation index is increased. Additionally, we show that it is possible to exploit this streaming enhancement to effect improvements in the speed of particle concentration by up to 70% and the efficiency of micromixing by 50%, together with a modest decrease in the droplet temperature.
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Registered trials
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