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Illustration of the reopening process. Electrochemical force drives the water dynamics across the semi-closed state (XI, XO) = (0.5, 0.5) in 15 hours. Then the Flytrap transits from semi-closed state (XI, XO) = (0.5, 0.5) to open state (XI, XO) = (1, 0) in 8 hours. The maximum opening speed occurs in the neighborhood of the semi-closed state. The opening speed significantly decreases in the final 2 hours.
