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Laser fabrication of modular superhydrophobic chips for reconfigurable assembly and self-propelled droplet manipulation

Huan Wang Yong-Lai Zhang Dong-Dong Han Wei Wang Hong-Bo Sun

Huan Wang, Yong-Lai Zhang, Dong-Dong Han, Wei Wang, Hong-Bo Sun. Laser fabrication of modular superhydrophobic chips for reconfigurable assembly and self-propelled droplet manipulation[J]. PhotoniX. doi: 10.1186/s43074-021-00033-1
引用本文: Huan Wang, Yong-Lai Zhang, Dong-Dong Han, Wei Wang, Hong-Bo Sun. Laser fabrication of modular superhydrophobic chips for reconfigurable assembly and self-propelled droplet manipulation[J]. PhotoniX. doi: 10.1186/s43074-021-00033-1
Huan Wang, Yong-Lai Zhang, Dong-Dong Han, Wei Wang, Hong-Bo Sun. Laser fabrication of modular superhydrophobic chips for reconfigurable assembly and self-propelled droplet manipulation[J]. PhotoniX. doi: 10.1186/s43074-021-00033-1
Citation: Huan Wang, Yong-Lai Zhang, Dong-Dong Han, Wei Wang, Hong-Bo Sun. Laser fabrication of modular superhydrophobic chips for reconfigurable assembly and self-propelled droplet manipulation[J]. PhotoniX. doi: 10.1186/s43074-021-00033-1

Laser fabrication of modular superhydrophobic chips for reconfigurable assembly and self-propelled droplet manipulation

doi: 10.1186/s43074-021-00033-1
基金项目: 

National Natural Science Foundation of China (61935008, 61522503, 61590930, 61775078, and 61605055).

National Key Research and Development Program of China (2017YFB1104300)

Laser fabrication of modular superhydrophobic chips for reconfigurable assembly and self-propelled droplet manipulation

Funds: 

National Natural Science Foundation of China (61935008, 61522503, 61590930, 61775078, and 61605055).

National Key Research and Development Program of China (2017YFB1104300)

  • 摘要:

    Natural creatures that enables controllable liquid transport provides the inspiration for developing novel microfluidic devices by engineering functional surfaces with superwettability. However, towards microfluidic applications, the strict requirements of sophisticated droplet manipulation make it challenging to reach this end. In this work, we report a conceptually new self-propelled droplet manipulation strategy based on reconfigurable superhydrophobic chips. The modular droplet chip (MDC) is developed by laser embossing a series of superhydrophobic structures on elastomer jigsaws that act as functional units. MDC is potable since only gravity is used as the driving force for dynamic manipulation of liquid droplets, including droplets transporting, splitting, merging and bouncing without mass loss. The MDC demonstrated reasonable anticross-contamination property due to the water repellence of the superhydrophobicity. Modular assembly of MDC enables different chip functions including solution dilution, SERS detection, cell labeling and chemical synthesis. As a miniature and portable experimental platform, the MDC is promising for next-generation lab-on-a-chip systems.

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出版历程
  • 收稿日期:  2021-04-09
  • 录用日期:  2021-06-01
  • 网络出版日期:  2021-08-11

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