1. Cartilage boundary lubricating ability of aldehyde modified proteoglycan 4 (PRG4-CHO) 
S. Abubacker, H.O. Ham, P.B. Messersmith, T.A. Schmidt 
Osteoarthritis and Cartilage 
Volume 21, Issue 1, Pages (January 2013)
DOI: /j.joca
Copyright © 2012 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1
Protein stain of non-reduced (NR) and reduced (R) (A, B), and western blotting of NR (C) and R (D) PRG4 samples.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2012 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2
Static (μstatic,Neq) (A) and kinetic <μkinetic,Neq> at Tps = 1.2 s (B) friction coefficients PRG4-SHAM, PRG4-CHO and PRG4 at 450 μg/mL. Sample size, n = 8. (Differing letters indicate significant differences between groups).
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2012 Osteoarthritis Research Society International Terms and Conditions