Magnetic nanorobots, generating vortexes inside nanoliter droplets for effective mixing

Magnetic nanorobots, generating vortexes inside nanoliter droplets for effective mixing

Magnetic nanorobots are used as nanometer-size stir bars for rapid stirring inside ultrasmall volumes of fluids. Because of their small size and rapid stirring, they can generate many vortexes inside confined small droplets. It is shown that these vortexes can vigorously churn up large microparticle...

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Bibliographic Details
Main Authors: Chong, Wen Han, Huang, Yi, Wong, Teck Neng, Ooi, Kim Tiow, Zhu, Gui-Ping
Other Authors: School of Mechanical and Aerospace Engineering
Format: Article
Language:English
Published: 2020
Subjects:
Engineering::Mechanical engineering
Droplet Microfluidics
Droplet Microreactors
Online Access:https://hdl.handle.net/10356/140907
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Institution: Nanyang Technological University
Language: English
Description
Summary:Magnetic nanorobots are used as nanometer-size stir bars for rapid stirring inside ultrasmall volumes of fluids. Because of their small size and rapid stirring, they can generate many vortexes inside confined small droplets. It is shown that these vortexes can vigorously churn up large microparticles without destabilizing or moving the droplets. The vortex formation can be easily controlled by tuning the stirring rate of nano stir bars using a simple magnetic stirrer.

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