Schedule May 27, 2011
Activity Dependent Particle's Motion in Living Cells
Ming Guo (Harvard Univ.)

Diffusive-like motion is observed with inert sub-micron particles in living fibroblasts. This motion is found to be molecular motor activity dependent. Using active microrheology method with optical tweezers, we show that this diffusive-like motion is due to active stress fluctuation in an elastic network.

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