KAGAKU KOGAKU RONBUNSHU
Online ISSN : 1349-9203
Print ISSN : 0386-216X
ISSN-L : 0386-216X
Materials Engineering and Interfacial Phenomena
Size-Controlled Preparation of Monodisperse Microbubbles using Co-Flow Glass Capillary Microfluidic Device
Risa KitazakiAya MatsuoDaigo ShimbaToshimitsu Kanai
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2019 Volume 45 Issue 1 Pages 10-15

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Abstract

Co-flow glass capillary microfluidic devices with injection and collection capillaries of different inner diameters were prepared. Nitrogen gas and ultrapure water were injected into the devices to prepare monodisperse microbubbles. By changing the inner diameters of the injection and collection capillaries, gas pressure, and liquid flow rate, monodisperse microbubbles with a coefficient of variation (CV) of less than 2% were generated in a diameter range of 4 to 70 µm at a generation rate of 1.7×105 to 1.5×102 bubbles/s.

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© 2019 The Society of Chemical Engineers, Japan
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