Abstract
A powerful method that allows mass production of anisotropic particles with simple equipment is particle replication in mold. However, polydimethylsiloxane (PDMS), which is generally used material in mold fabrication, is not spontaneously loaded by hydrophilic liquids due to the low wettability. We introduced degassed replica molding lithography, which technique is based on the gas-permeability of a degassed mold that acts as a suction pump to completely fill the molds with precursor liquids of any hydrophilicity. Therefore, defect free hydrogel microparticles can be produced by the technique which also allows high-resolution replication due to the reduced oxygen inhibition in the mold.
| Original language | English |
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| Title of host publication | 23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2019 |
| Publisher | Chemical and Biological Microsystems Society |
| Pages | 1104-1105 |
| Number of pages | 2 |
| ISBN (Electronic) | 9781733419000 |
| Publication status | Published - 2019 |
| Event | 23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2019 - Basel, Switzerland Duration: 2019 Oct 27 → 2019 Oct 31 |
Publication series
| Name | 23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2019 |
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Conference
| Conference | 23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2019 |
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| Country/Territory | Switzerland |
| City | Basel |
| Period | 19/10/27 → 19/10/31 |
Bibliographical note
Funding Information:This work was supported by the National Research Foundation of Korea (NRF-2016R1A5A1010148, ERC).
Publisher Copyright:
© 2019 CBMS-0001.
Keywords
- Gas-permeable
- Hydrogels
- Microparticles
- Replica molding
ASJC Scopus subject areas
- Bioengineering
- Chemical Engineering (miscellaneous)