Using rheology to probe the mechanism of joint lubrication

Polyelectrolyte/protein interactions in synovial fluid

Katherine M.N. Oates, Wendy E. Krause, Ralph H. Colby

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The outstanding lubricating properties of synovial fluid, found in freely moving mammalian joints, may be due to intermolecular associations between hyaluronic acid, an anionic polysaccharide, and the plasma proteins. A synovial fluid model comprised of hyaluronic acid and the plasma proteins albumin and γ-globulins, was constructed. Rheological measurements reveal a pronounced viscoelasticity with a strong shear history dependence for the synovial fluid model and the plasma protein solutions at low shear rates. The addition of the anti-inflammatory drug D-Penicillamine to the solution alters the rheology of the synovial fluid model. We present two ideas about the structural features of synovial fluid that may explain this viscoelasticity and suggest further experimental techniques that can be used to test these ideas.

Original languageEnglish (US)
Pages (from-to)53-58
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume711
StatePublished - Jan 1 2002

Fingerprint

lubrication
Polyelectrolytes
Rheology
rheology
Lubrication
proteins
Proteins
Fluids
probes
fluids
Blood Proteins
Hyaluronic acid
viscoelasticity
Viscoelasticity
Hyaluronic Acid
Plasmas
interactions
globulins
shear
acids

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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Using rheology to probe the mechanism of joint lubrication : Polyelectrolyte/protein interactions in synovial fluid. / Oates, Katherine M.N.; Krause, Wendy E.; Colby, Ralph H.

In: Materials Research Society Symposium - Proceedings, Vol. 711, 01.01.2002, p. 53-58.

Research output: Contribution to journalArticle

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