Droplet Transportation on Liquid-Infused Asymmetrically Structured Surfaces by Mechanical Oscillation and Viscosity Control

The transportation of droplets on solid surfaces has received significant attention owing to its importance in biochemical analysis and microfluidics. In this study, we propose a novel strategy for controlling droplet motion by combining an asymmetric structure and infused lubricating oil on a vibra...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 39(2023), 46 vom: 21. Nov., Seite 16315-16327
1. Verfasser: Li, Mingsheng (VerfasserIn)
Weitere Verfasser: Hu, Haibao, Zhang, Mengzhuo, Ding, Haiyan, Wen, Jun, Xie, Luo, Du, Peng
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a The transportation of droplets on solid surfaces has received significant attention owing to its importance in biochemical analysis and microfluidics. In this study, we propose a novel strategy for controlling droplet motion by combining an asymmetric structure and infused lubricating oil on a vibrating substrate. The transportation of droplets with volumes ranging from 10 to 90 μL was realized, and the movement speed could be adjusted from 1.45 to 10.87 mm/s. Typical droplet manipulations, including droplet transportation along a long trajectory and selective movement of multiple droplets, were successfully demonstrated. Through experimental exploration and theoretical analysis, we showed that the adjustment of droplet transport velocity involves an intricate interaction among the Ohnesorge number, droplet volume, and input amplitude. It can potentially be used for the more complex manipulation of liquid droplets in microfluidic and biochemical analysis systems 
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700 1 |a Hu, Haibao  |e verfasserin  |4 aut 
700 1 |a Zhang, Mengzhuo  |e verfasserin  |4 aut 
700 1 |a Ding, Haiyan  |e verfasserin  |4 aut 
700 1 |a Wen, Jun  |e verfasserin  |4 aut 
700 1 |a Xie, Luo  |e verfasserin  |4 aut 
700 1 |a Du, Peng  |e verfasserin  |4 aut 
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