Droplet microfluidics inside paper

Hiroki Yasuga; Weijin Guo; Jonas Hansson; Tommy Haraldsson; Norihisa Miki; Wouter Van Der Wijngaart

doi:10.1109/MEMSYS.2018.8346536

Droplet microfluidics inside paper

Hiroki Yasuga, Weijin Guo, Jonas Hansson, Tommy Haraldsson, Norihisa Miki, Wouter Van Der Wijngaart

Department of Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

Here, we demonstrate, for the first time: the self-digitization, i.e. spontaneous formation, of microdroplets during the imbibition of paper; the on-demand merging of individual microdroplets in paper; and the on-demand ejection of individual microdroplets from the paper. Two technical novelties underlie these novel functions: the formation of free-standing synthetic microfluidic paper, i.e. a porous matrix of slanted and interconnected micropillars without bottom layer; and the hydrophobic surface modification of the paper. The ease of manipulation and the direct access to the microdroplets from the environment makes this an extremely versatile tool, with potential applications in liquid sample digitisation and microparticle generation.

Original language	English
Title of host publication	2018 IEEE Micro Electro Mechanical Systems, MEMS 2018
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	269-271
Number of pages	3
ISBN (Electronic)	9781538647820
DOIs	https://doi.org/10.1109/MEMSYS.2018.8346536
Publication status	Published - 2018 Apr 24
Event	31st IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2018 - Belfast, United Kingdom Duration: 2018 Jan 21 → 2018 Jan 25

Publication series

Name	Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
Volume	2018-January
ISSN (Print)	1084-6999

Other

Other	31st IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2018
Country/Territory	United Kingdom
City	Belfast
Period	18/1/21 → 18/1/25

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanical Engineering
Electrical and Electronic Engineering

Access to Document

10.1109/MEMSYS.2018.8346536

Cite this

Yasuga, H., Guo, W., Hansson, J., Haraldsson, T., Miki, N., & Van Der Wijngaart, W. (2018). Droplet microfluidics inside paper. In 2018 IEEE Micro Electro Mechanical Systems, MEMS 2018 (pp. 269-271). (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS); Vol. 2018-January). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MEMSYS.2018.8346536

Droplet microfluidics inside paper. / Yasuga, Hiroki; Guo, Weijin; Hansson, Jonas et al.
2018 IEEE Micro Electro Mechanical Systems, MEMS 2018. Institute of Electrical and Electronics Engineers Inc., 2018. p. 269-271 (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS); Vol. 2018-January).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Yasuga, H, Guo, W, Hansson, J, Haraldsson, T, Miki, N & Van Der Wijngaart, W 2018, Droplet microfluidics inside paper. in 2018 IEEE Micro Electro Mechanical Systems, MEMS 2018. Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), vol. 2018-January, Institute of Electrical and Electronics Engineers Inc., pp. 269-271, 31st IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2018, Belfast, United Kingdom, 18/1/21. https://doi.org/10.1109/MEMSYS.2018.8346536

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abstract = "Here, we demonstrate, for the first time: the self-digitization, i.e. spontaneous formation, of microdroplets during the imbibition of paper; the on-demand merging of individual microdroplets in paper; and the on-demand ejection of individual microdroplets from the paper. Two technical novelties underlie these novel functions: the formation of free-standing synthetic microfluidic paper, i.e. a porous matrix of slanted and interconnected micropillars without bottom layer; and the hydrophobic surface modification of the paper. The ease of manipulation and the direct access to the microdroplets from the environment makes this an extremely versatile tool, with potential applications in liquid sample digitisation and microparticle generation.",

author = "Hiroki Yasuga and Weijin Guo and Jonas Hansson and Tommy Haraldsson and Norihisa Miki and {Van Der Wijngaart}, Wouter",

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AB - Here, we demonstrate, for the first time: the self-digitization, i.e. spontaneous formation, of microdroplets during the imbibition of paper; the on-demand merging of individual microdroplets in paper; and the on-demand ejection of individual microdroplets from the paper. Two technical novelties underlie these novel functions: the formation of free-standing synthetic microfluidic paper, i.e. a porous matrix of slanted and interconnected micropillars without bottom layer; and the hydrophobic surface modification of the paper. The ease of manipulation and the direct access to the microdroplets from the environment makes this an extremely versatile tool, with potential applications in liquid sample digitisation and microparticle generation.

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Droplet microfluidics inside paper

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