Arbitrary Multi Chamber Mixing Using Sidewall-Driven Micromixer

Abstract

Sidewall-Driven Micromixer is a mixer that performs by applying pressure to the sidewall around a chamber on a flow path within a microchip. This mixer is easy to make and can trap cells, so it can contribute to improving the efficiency of chemical mixing and cell culture. Until now, this mixer has generated a concentration gradient by driving multiple chambers with a single actuator. In this study, we aim to mix different fluids using mixers with one actuator attached to each chamber. To prevent unintentional mixing, the neck width of the chamber was made narrower than before. We conducted an experiment in which colored water was mixed in each chamber and confirmed that it was possible to mix colored water as intended.