Juggling-probe for local dosing to living cells

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We research the separation measurement technology of viscous force and elastic force for evaluate the effects of medicine to single living cells. This method palpates the cell surface with vibrated micro-sphere by light pressure. Because this method used light pressure which is low as elastic force and the surface effect is the dominant factor of dynamics of micro objects, rather than the volume effect, we think that viscous force which is very little force is obtained, and separation viscous force and elastic force. We constructed the model of separative cell-palpation method, and the measurement of the particle diameter to secure the high accuracy.