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Characterization of a bovine synovial fluid lubricating factor. I. Chemical, Surface activity and lubricating properties
Abstract
A lubricating glycoprotein (PSLF) with an apparent molecular weight of 280 kDa was purified from bovine synovial fluid by anion exchange, molecular sieve chromatography, and density gradient centrifugation. Lubrication was measured under boundary conditions as lowering of the coefficient of friction (mu) between oscillating natural latex and polished glass. Lubricating ability was first observed at a concentration of 200 micrograms/ml and became maximal at 260 micrograms/ml. Hydrophobic interfacial tension measurements indicated that at the former concentration, monolayers of PSLF formed. Sugar digestions showed that lubricating ability depends upon the terminal galactose of the molecule. PSLF is similar if not identical to lubricin. It is proposed that a repulsive hydration force is the molecular mechanism for lubricating activity.
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Cites
Linn, F. C. (1968) · Journal of Biomechanics · doi:10.1016/0021-9290(68)90004-3 · Cited by 158
Cited by
Boundary lubrication of articular cartilage: Role of synovial fluid constituents
Schmidt, T. A., Gastelum, N. S., Nguyen, Q. T., Schumacher, B. L., & Sah, R. L. (2007) · Arthritis & Rheumatism · doi:10.1002/art.22446 · Cited by 554
Lubrication of Articular Cartilage
Jahn, S., Seror, J., & Klein, J. (2016) · Annual Review of Biomedical Engineering · doi:10.1146/annurev-bioeng-081514-123305 · Cited by 406
The Influence of Loading Time and Lubricant on the Friction of Articular Cartilage
Forster, H., & Fisher, J. (1996) · Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine · doi:10.1243/pime_proc_1996_210_399_02 · Cited by 383
Zappone, B., Ruths, M., Greene, G. W., Jay, G. D., & Israelachvili, J. N. (2007) · Biophysical Journal · doi:10.1529/biophysj.106.088799 · Cited by 341
Self-citationCaligaris, M., & Ateshian, G. A. (2008) · Osteoarthritis and Cartilage · doi:10.1016/j.joca.2008.02.020 · Cited by 288
Metadata
- Authors
- Jay, G. D.
- Venue
- Connective Tissue Research
- Publisher
- Informa UK Limited
- Published
- 1992-01
- Volume
- 28
- Issue
- 1-2
- Pages
- 71-88
- ISSN
- 0300-8207 (ISSN-L)
- 1607-8438
- OpenAlex
- W2104357260
- Cited by
- 212
- References
- 1
- FWCI
- 3.27
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jay, G. D. (1992). Characterization of a bovine synovial fluid lubricating factor. I. Chemical, Surface activity and lubricating properties. Connective Tissue Research. https://doi.org/10.3109/03008209209014228
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
