期刊
APPLIED PHYSICS LETTERS
卷 120, 期 12, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0086953
关键词
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资金
- Science and Technology Innovation Team Project of Foshan, P.R. China [1920001000047]
- Key R&D Project of Science and Technology Development Plan of Jilin Province, China [20200404148YY, 20210204110YY]
This study introduces a symmetric one-to-three droplet generation strategy, which utilizes a geometric model to achieve a higher pressure difference for improved droplet handling in digital microfluidics.
Droplet generation is a fundamental sample handling procedure in digital microfluidics. In this work, a symmetric one-to-three droplet generation strategy is reported. A triangular model based on the geometrical relationship of reservoir droplets, sub-droplets, and liquid necks is proposed. Numerical investigation and corresponding experiments are performed. The results indicate that the proposed strategy produces a greater pressure difference for sub-droplet generation, especially when traditional droplet splitting is not possible with restricted microfluidics device geometries. The proposed geometrical model is a powerful tool to propose several improved droplet generation strategies. The one-to-three droplet generation strategy shows potential in practical applications and further studies for digital microfluidics platform. Published under an exclusive license by AIP Publishing.
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