Do phospholipids affect the friction of articular cartilage on silicone rubber? (experimental study) | Zendy

N. S. Gavryushenko | Zendy; V. G. Bulgakov | Zendy; A. N. Shal’Nev | Zendy; A. V. Anikin | Zendy

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Do phospholipids affect the friction of articular cartilage on silicone rubber? (experimental study)

Author(s) -

N. S. Gavryushenko,

V. G. Bulgakov,

A. N. Shal’Nev,

A. V. Anikin

Publication year - 2022

Publication title -

n n priorov journal of traumatology and orthopedics

Language(s) - English

Resource type - Journals

eISSN - 2658-6738

pISSN - 0869-8678

DOI - 10.17816/vto104582

Subject(s) - silicone rubber , natural rubber , tribology , materials science , friction coefficient , articular cartilage , composite material , phosphatidylcholine , cartilage , chemistry , anatomy , membrane , phospholipid , osteoarthritis , medicine , biochemistry , alternative medicine , pathology

The results of model experiments showed that when surfaces of native articular cartilages interacted friction coefficient was within 0.02-0.07 (depending on the load quantity). When cartilagenous surfaces interacted with silicone rubber that index was 3 to 6 times higher. Putting of 3-6 mg/cm2 of egg or synthetic polymerized phosphatidylcholone on the surface of silicone rubber considerably decreased the friction coefficient at interaction of rubber with the cartilagenous surface while the administration of the same quantity of egg phosphatidylcholine in the form of 10% aqueous suspension into the friction zone gave no effect. The data obtained indicate that the of phospholipids for the improvement of tribological characteristics of joint implants is a prospective one.

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