P1MM.2 - Capillary introduction of polydimethylsiloxane precursor to microfabricated structure
- 17th International Meeting on Chemical Sensors - IMCS 2018
2018-07-15 - 2018-07-19
- P-1 - Microfluidics and MEMS for Sensing
- A. Hibara - Institute of Multidisciplinary Research for Advanced Materials, Aoba-ku, Sendai (Japan), A. Akiyama, K. Furukawa, K. Ishikawa - Department of Chemistry, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo (Japan)
- 566 - 567
Capillary introduction colored polydimethylsiloxane (PDMS) precursor liquid to microfabricated straight channels was analyzed for opto-fluidic applications. The PDMS liquid was colored by Japanese black ink. The black PDMS is potentially used for light-shielding material after introduction. PDMS-glass microfluidic chips were used. Microchannels having in/out ports at both ends (open-end channel) and those having only one in/out port (dead-end channel) were prepared. The open-end channels were used for analyzing viscosity during the capillary introduction. Viscosity decrease with velocity was observed. Then, the dead-end channels were used for discussing the closed air effect on the capillary introduction. These informations will be useful for designing light-shielding in opto-microfluidic devices.