Influences of lubricant composition on forming boundary film composed of synovia constituents

Seido Yarimitsu, Kazuhiro Nakashima, Yoshinori Sawae, Teruo Murakami

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

In this study, the influences of lubricant composition on adsorption behavior of proteins and stability of protein boundary film were investigated by using total internal reflection fluorescence microscopy (TIRFM). In addition, the adsorption of hyaluronic acid (HA) on rubbed surface was also observed. It was found that the forming of bottom layer of protein boundary film mainly composed of γ-globulin is a key factor to form a stable boundary film and the friction-induced enhancement of forming protein boundary film occurred in appropriate lubricant. In addition, the adsorption of HA on rubbed surface was enhanced by coexistence with γ-globulin and frictional action. It was indicated that a gel-like film is formed due to the introduction of hydrophilic HA molecules into boundary film and it contributes to reduce friction.

Original languageEnglish
Pages (from-to)1615-1623
Number of pages9
JournalTribology International
Volume42
Issue number11-12
DOIs
Publication statusPublished - Dec 1 2009

Fingerprint

lubricants
Lubricants
Hyaluronic acid
Hyaluronic Acid
globulins
Chemical analysis
proteins
Proteins
Globulins
Adsorption
acids
adsorption
friction
Friction
Fluorescence microscopy
Gels
gels
microscopy
fluorescence
Molecules

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

Influences of lubricant composition on forming boundary film composed of synovia constituents. / Yarimitsu, Seido; Nakashima, Kazuhiro; Sawae, Yoshinori; Murakami, Teruo.

In: Tribology International, Vol. 42, No. 11-12, 01.12.2009, p. 1615-1623.

Research output: Contribution to journalArticle

Yarimitsu, Seido ; Nakashima, Kazuhiro ; Sawae, Yoshinori ; Murakami, Teruo. / Influences of lubricant composition on forming boundary film composed of synovia constituents. In: Tribology International. 2009 ; Vol. 42, No. 11-12. pp. 1615-1623.
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