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Analysis of liquid–liquid droplets fission and encapsulation in single/two layer microfluidic devices fabricated by xurographic method

Lim, Chang Nong; Koh, Kai Seng; Ren, Yong; Chin, Jit Kai; Shi, Yong; Yan, Yuying

Authors

Chang Nong Lim kebx4lcn@nottingham.edu.my

Kai Seng Koh k.koh@hw.ac.uk

Yong Ren yong.ren@nottingham.edu.cn

Jit Kai Chin Jit-Kai.Chin@nottingham.edu.my

Yong Shi yong.shi@nottingham.edu.cn

Yuying Yan yuying.yan@nottingham.ac.uk



Abstract

This paper demonstrates a low cost fabrication approach for microscale droplet fission and encapsulation. Using a modified xurography method, rapid yet reliable microfluidic devices with flexible designs (single layer and double layer) are developed to enable spatial control of droplet manipulation. In this paper, two different designs are demonstrated, i.e., droplet fission (single layer) and droplet encapsulation (double layer). In addition, the current fabrication approach reduces the overall production interval with the introduction of a custom-made polydimethylsiloxane (PDMS) aligner. Apart from that, the fabricated device is able to generate daughter droplets with the coefficient of variance (CV) below 5% and double emulsions with CV maintained within 10% without involvement of complex surface wettability modification.

Journal Article Type Article
Publication Date Feb 10, 2017
Journal Micromachines
Electronic ISSN 2072-666X
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 8
Issue 2
Article Number 49
APA6 Citation Lim, C. N., Koh, K. S., Ren, Y., Chin, J. K., Shi, Y., & Yan, Y. (2017). Analysis of liquid–liquid droplets fission and encapsulation in single/two layer microfluidic devices fabricated by xurographic method. Micromachines, 8(2), https://doi.org/10.3390/mi8020049
DOI https://doi.org/10.3390/mi8020049
Keywords droplet manipulation, microfabrication, encapsulation, fission
Publisher URL http://www.mdpi.com/2072-666X/8/2/49
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0



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