Liquid filling method for nanofluidic channels utilizing the high solubility of CO2

Eiichiro Tamaki, Akihide Hibara, Haeng Boo Kim, Manabu Tokeshi, Takeshi Ooi, Masayuki Nakao, Takehiko Kitamori

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


We developed a fabrication method and a liquid filling method for a nano chemical reactor that used Y-shaped nanochannels specially designed for mixing and reacting. In order to reduce the pressure loss and to utilize the characteristics of the nanochannel, inlet microchannels were fabricated just beside the nanochannels. We investigated an initial liquid filling method into the nanochannels that ensured there were no air bubbles that could cause a flow stack due to the capillary pressure. In our method, the micro- and nanochannels were filled with carbon dioxide and any remaining air during the initial liquid introduction was dissolved utilizing the high solubility of carbon dioxide. We propose that chemical reactions in nanospaces can be realized by utilizing these fabrication and liquid introduction techniques. 2006

Original languageEnglish
Pages (from-to)529-532
Number of pages4
Journalanalytical sciences
Issue number4
Publication statusPublished - 2006 Apr
Externally publishedYes

ASJC Scopus subject areas

  • Analytical Chemistry


Dive into the research topics of 'Liquid filling method for nanofluidic channels utilizing the high solubility of CO2'. Together they form a unique fingerprint.

Cite this