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While magnetic bead (MB)-based bioassays have been implemented in integrated devices, their handling on-chip is normally either not optimal—i.e. only trapping is achieved, with aggregation of the beads—or requires complex actuator systems. Herein, we describe a simple and low-cost magnetic actuator to trap and move MBs within a microfluidic chamber in order to enhance the mixing of a MB-based reaction...
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