3D microfluidics formed with hydrogel sacrificial structures

Kayoko Hirayama, Hiroaki Onoe, Shoji Takeuchi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This paper describes a fast method to fabricate 3D microchannel. We use alginate gel tubes to mold PDMS microchannel. Our method does not need any of those complicated processes such as photolithography or bonding. It consists of three simple steps. (1) Arrangement of the hydrogel tubes according to the objective design, (2) Molding the tubes into PDMS, (3) Dissolution and extrusion of the hydrogel tubes after curing process of the PDMS. The curing process can be performed at normal condition (i.e. 75 degC, 1.5 h). The hollow-centered structure of hydrogel tube reduces fluidic resistance when we dissolved Buried hydrogels in microchannel (Figure 2D). Our method allows us to fabricate complex 3D microfluidics which was difficult to fabricate in the conventional methods using 2D molds fabricated by photolithography.

Original languageEnglish
Title of host publicationProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
Pages200-203
Number of pages4
DOIs
Publication statusPublished - 2012
Externally publishedYes
Event2012 IEEE 25th International Conference on Micro Electro Mechanical Systems, MEMS 2012 - Paris, France
Duration: 2012 Jan 292012 Feb 2

Other

Other2012 IEEE 25th International Conference on Micro Electro Mechanical Systems, MEMS 2012
CountryFrance
CityParis
Period12/1/2912/2/2

Fingerprint

Hydrogel
Microchannels
Microfluidics
Hydrogels
Photolithography
tubes
microchannels
Curing
photolithography
curing
Molds
Fluidics
Molding
Extrusion
Alginate
Dissolution
Gels
fluidics
hollow
dissolving

ASJC Scopus subject areas

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

Cite this

Hirayama, K., Onoe, H., & Takeuchi, S. (2012). 3D microfluidics formed with hydrogel sacrificial structures. In Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS) (pp. 200-203). [6170125] https://doi.org/10.1109/MEMSYS.2012.6170125

3D microfluidics formed with hydrogel sacrificial structures. / Hirayama, Kayoko; Onoe, Hiroaki; Takeuchi, Shoji.

Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS). 2012. p. 200-203 6170125.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hirayama, K, Onoe, H & Takeuchi, S 2012, 3D microfluidics formed with hydrogel sacrificial structures. in Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)., 6170125, pp. 200-203, 2012 IEEE 25th International Conference on Micro Electro Mechanical Systems, MEMS 2012, Paris, France, 12/1/29. https://doi.org/10.1109/MEMSYS.2012.6170125
Hirayama K, Onoe H, Takeuchi S. 3D microfluidics formed with hydrogel sacrificial structures. In Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS). 2012. p. 200-203. 6170125 https://doi.org/10.1109/MEMSYS.2012.6170125
Hirayama, Kayoko ; Onoe, Hiroaki ; Takeuchi, Shoji. / 3D microfluidics formed with hydrogel sacrificial structures. Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS). 2012. pp. 200-203
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