Fig. 3
From: Theoretically proposed optimal frequency for ultrasound induced cartilage restoration
Resonant frequency of a chondrocytes in a blood clot and fibrin. a A suspended cell, a chondrocyte surrounded by a PCM with a thickness of 2.5 μm and a Young’s modulus of 1 kPa and a chondrocyte surrounded by a PCM with a thickness of 2.5 μm and a Young’s modulus of 500 kPa embedded in a blood clot. b A suspended cell, a chondrocyte surrounded by a PCM with a thickness of 2.5 μm and a Young’s modulus of 1 kPa and a chondrocyte surrounded by a PCM with a thickness of 2.5 μm and a Young’s modulus of 500 kPa embedded in fibrin