Numerical analysis of streaming potential induced by loads in micro-pores of articular cartilage

Yutao Men, Yucheng Ren, Zhonghai Zhao, Xin Wang and Lu Liu

Computer Methods in Biomechanics and Biomedical Engineering, 2023, vol. 26, issue 14, 1761-1771

Abstract: In order to understand the distribution of streaming potentials in cartilage pores, this paper established finite element model to analyze. The results showed that the streaming potential in cartilage micro-pores increased along the axis. The electric potential in 5 μm straight micro-pore was about 50 μV, and the electric potential of curved bifurcation model was about 30 μV. The pressure and Zeta potential had a linear growth relationship with the streaming potential. The streaming potential decreased with the increase of ion concentration until ion concentration was saturated. These results could provide a theoretical basis for cartilage research.

Date: 2023
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DOI: 10.1080/10255842.2022.2141570

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