Effects of Na-Ca exchange on cartilage swelling and fluid transport

Weiyong Gu; W. Michael Lai; Van C. Mow

Effects of Na-Ca exchange on cartilage swelling and fluid transport

Weiyong Gu, W. Michael Lai, Van C. Mow

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The generalized triphasic theory has been developed for describing mechanoelectrical behaviors of charged-hydrated-soft tissues containing multi-electrolytes. In the present work, this theory is used to study the problem Na⁺-Ca⁺⁺ exchange in cartilage. In particular, the effects of Na⁺-Ca⁺⁺ exchange on the one-dimensional swelling behavior of the tissues is investigated by determining the transport of Na⁺ and Ca⁺⁺ across the throughout the layer of tissue, and by calculating the stresses, strains and fluid velocities within the tissue induced by the Na⁺-Ca⁺⁺ exchange. The stresses strains and fluid velocities within the tissue were calculated using a finite-difference method. Calculation results showed that the strain distribution within the specimen was non-monotonic and nonlinearly dependent on the local concentrations of Na⁺ and Ca⁺⁺ present.

Original language	English
Title of host publication	American Society of Mechanical Engineers, Bioengineering Division (Publication) BED
Place of Publication	New York, NY, United States
Publisher	ASME
Pages	29-30
Number of pages	2
Volume	29
State	Published - Jan 1 1995
Externally published	Yes
Event	Proceedings of the 1995 Bioengineering Conference - Beever Creek, CO, USA Duration: Jun 28 1995 → Jul 2 1995

Other

Other	Proceedings of the 1995 Bioengineering Conference
City	Beever Creek, CO, USA
Period	6/28/95 → 7/2/95

ASJC Scopus subject areas

Engineering(all)

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Gu, W., Lai, W. M., & Mow, V. C. (1995). Effects of Na-Ca exchange on cartilage swelling and fluid transport. In American Society of Mechanical Engineers, Bioengineering Division (Publication) BED (Vol. 29, pp. 29-30). ASME.

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abstract = "The generalized triphasic theory has been developed for describing mechanoelectrical behaviors of charged-hydrated-soft tissues containing multi-electrolytes. In the present work, this theory is used to study the problem Na+-Ca++ exchange in cartilage. In particular, the effects of Na+-Ca++ exchange on the one-dimensional swelling behavior of the tissues is investigated by determining the transport of Na+ and Ca++ across the throughout the layer of tissue, and by calculating the stresses, strains and fluid velocities within the tissue induced by the Na+-Ca++ exchange. The stresses strains and fluid velocities within the tissue were calculated using a finite-difference method. Calculation results showed that the strain distribution within the specimen was non-monotonic and nonlinearly dependent on the local concentrations of Na+ and Ca++ present.",

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N2 - The generalized triphasic theory has been developed for describing mechanoelectrical behaviors of charged-hydrated-soft tissues containing multi-electrolytes. In the present work, this theory is used to study the problem Na+-Ca++ exchange in cartilage. In particular, the effects of Na+-Ca++ exchange on the one-dimensional swelling behavior of the tissues is investigated by determining the transport of Na+ and Ca++ across the throughout the layer of tissue, and by calculating the stresses, strains and fluid velocities within the tissue induced by the Na+-Ca++ exchange. The stresses strains and fluid velocities within the tissue were calculated using a finite-difference method. Calculation results showed that the strain distribution within the specimen was non-monotonic and nonlinearly dependent on the local concentrations of Na+ and Ca++ present.

AB - The generalized triphasic theory has been developed for describing mechanoelectrical behaviors of charged-hydrated-soft tissues containing multi-electrolytes. In the present work, this theory is used to study the problem Na+-Ca++ exchange in cartilage. In particular, the effects of Na+-Ca++ exchange on the one-dimensional swelling behavior of the tissues is investigated by determining the transport of Na+ and Ca++ across the throughout the layer of tissue, and by calculating the stresses, strains and fluid velocities within the tissue induced by the Na+-Ca++ exchange. The stresses strains and fluid velocities within the tissue were calculated using a finite-difference method. Calculation results showed that the strain distribution within the specimen was non-monotonic and nonlinearly dependent on the local concentrations of Na+ and Ca++ present.

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