Spinphoresis - Spinning Water Electrophoresis
Description
An initial concept design for a spinning electrophoresis device. One disc-electrode is connected to the central well, and 8 other electrodes are connected around the outer edge of the device. A voltage potential is set up such that charged molecules will head towards one of the outer electrodes at a given time, and a timed counter circuit switches the connected outer electrode at a defined rate (pulse-width modulation could be used to simulate a continuous path around the outer edge). This device acts as a filter to exclude small charged molecules. At zero rotation speed, all charged molecules will end up in the outer ring. As the speed of current rotation is increased, larger molecules will have insufficient inertia to move all the way to the ring before the current direction changes, and will remain in the central area.
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