Microchannel ridges

A micromixer suggested by Stroock et al., consisting of pressure flow in straight rectangular channels with ridges on one of the walls [Reprinted by permission from A. D. Stroock, S. K. W. Dertinger, A. Ajdari, I. Mezic, H. A. Stone, and G. M. Whitesides, Chaotic Mixer for Microchannels, Science, 295, 364-651 (2002).]... 

Barrett LM, Skulan AJ, Singh AK, Cummings EB, Fiechtner GJ (2005) Dielectrophoretic manipulation of particles and cells using insulating ridges in faceted prism microchannels. Anal Chem 77 6798-6804... 

Micromolding, Fig. 8 Top view (a) and cross section, (b) SEM images of a PDMS substrate containing an array of microchannels with 10 pm ridges, 100 pm width channels, and 5 pm depth (From Minteer [3]). (c) An example... 

Fig. 7 Three-dimensional twisting flow in a channel with obliquely oriented ridges on one wall, (a) Schematic of channel with ridges, (b) Optical micrograph showing a top view of a red stream and a green stream flowing on either side of a clear stream in the channel, (c) Fluorescent confocal micrographs of vertical cross sections of a microchannel such as in...

Figure 8.27 MicroChannel contactor with guiding ridges, (a) Schematic cross-sectional view and (b) 3D image of the guide structures. From [160],...

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