Rotatable device containing wafers for DNA processing

A device comprising:

• a chamber configured to rotate about a central axis;
• a plurality of wafers stacked within the chamber and coaxially aligned with the central axis of the chamber;
• a rotating component of a motor device coupled to the plurality of wafers and configured to rotate the plurality of wafers;
• a plurality of DNA processing sites disposed on a surface of each wafer of the plurality of wafers to process DNA, wherein the device is configured to remove a reagent from the plurality of wafers by centrifugal force caused by rotation of the plurality of wafers about the central axis;
• and
• a controller communicatively coupled to the motor and programmed to cause the rotation of the plurality of wafers at a revolutions per minute (rpm) sufficient to create the centrifugal force to remove the reagent.