Journal: Microfluidics and Nanofluidics

Article Title: A practical microfluidic pump enabled by acoustofluidics and 3D printing

doi: 10.1007/s10404-020-02411-w

Figure Lengend Snippet: Acoustic streaming profiles inside the rectangular glass capillary are visualized using streak images. At lower frequencies, more specifically at a 61.7 kHz, b 62.5 kHz, c 63.7 kHz and d 67.3 kHz, acoustic streaming flows results in more directional fluid displacement within the capillary. At higher frequencies of e 220 kHz and f 187 kHz, acoustic streaming-induced flows yield rotating vortices at different planes. In f —i and f —ii, two adjacent vortices are shown side by side because they could not fit in the same frame due their larger spatial distribution in the capillary. Yellow arrows are used to indicate the streaming directions. g The streaming profiles are recorded from the region of interest (ROI) shown with a red rectangle (color figure online)

Article Snippet: Schematic depiction of the a assembled and b side views are shown. c Photograph of an assembled device For the device assembly, two adaptors are positioned to have their capillary ports facing to each other, and two rectangular glass capillaries (5010, Vitrocom, NJ, USA) with 50 mm length, 0.1 mm height, 1 mm width and 0.07 mm wall thickness are inserted to each adaptor as shown in Fig. b.

Techniques: