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Experimental Study on Reverse Mechano-Electric Characteristics of Layered Structure of Articular Cartilage
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Le ZHAO1, Zhengbiao YANG1, Meng ZHANG1, Jing CHEN1, Pengcui LI2, Yanqin WANG1, Yanru XUE1, Xiaogang WU1, Xiaochun WEI1, Weiyi CHEN1
Journal of Medical Biomechanics | 2025, 40(5) : 1114 - 1121
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Journal of Medical Biomechanics | 2025, 40(5): 1114-1121
• Original Articles •
Experimental Study on Reverse Mechano-Electric Characteristics of Layered Structure of Articular Cartilage
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Le ZHAO1, Zhengbiao YANG1, Meng ZHANG1, Jing CHEN1, Pengcui LI2, Yanqin WANG1, Yanru XUE1, Xiaogang WU1, Xiaochun WEI1, Weiyi CHEN1
Affiliations
  • 1.College of Artificial Intelligence, Taiyuan University of Technology, Taiyuan 030024, China
  • 2.Shanxi Provincial Key Laboratory for Repair of Bone and Soft Tissue Injury, Taiyuan 030001, China
Published: 2025-10-01 doi: 10.16156/j.1004-7220.2025.05.004
Outline
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Objective

To analyze the reverse mechano-electric effect of the layered structure of articular cartilage and its influencing factors.

Methods

The cartilage samples were classified according to their physiological thickness (approximately 0.4 mm for the upper layer, 1 mm for the middle layer, and 0.6 mm for the lower layer). Through a non-contact external electric field testing method, how different influencing factors affected the reverse mechano-electric effect of articular cartilage was analyzed.

Results

When the electric field spacing decreased, water content increased, and in vitro time decreased, the displacement of normal layered cartilage in a non-contact electric field increased by 18, 10, 15 μm, respectively. In the case of simulated arthritis defects, as the defect depth and radius increased, the overall deviation deflection of articular cartilage gradually decreased by about 7 μm.

Conclusions

The three-layer cartilage differed in their reverse mechano-electricity effects, showing the greatest deflection in the middle layer at 90% water content, under 7 mm electric field spacing, and after 12 hours ex vivo.

articular cartilage  /  reverse mechano-electric characteristics  /  external electric field  /  joint defects  /  deflection
Le ZHAO, Zhengbiao YANG, Meng ZHANG, Jing CHEN, Pengcui LI, Yanqin WANG, Yanru XUE, Xiaogang WU, Xiaochun WEI, Weiyi CHEN. Experimental Study on Reverse Mechano-Electric Characteristics of Layered Structure of Articular Cartilage[J]. Journal of Medical Biomechanics, 2025 , 40 (5) : 1114 -1121 . DOI: 10.16156/j.1004-7220.2025.05.004
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Article Info
doi: 10.16156/j.1004-7220.2025.05.004
  • Receive Date：2025-02-05
  • Online Date：2026-03-27
  • Published：2025-10-01
Article Data
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History
  • Received：2025-02-05
  • Revised：2025-03-24
Funding
Affiliations
    1.College of Artificial Intelligence, Taiyuan University of Technology, Taiyuan 030024, China
    2.Shanxi Provincial Key Laboratory for Repair of Bone and Soft Tissue Injury, Taiyuan 030001, China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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