Fig. 3
Effect of HA concentration on cartilage boundary lubricating ability. μstatic,Neq (a, b, c) for HA dose responses + constant [PRG4] = 45 μg/mL (Test 2A, a), 150 μg/mL (Test 2B, b), and 450 μg/mL (Test 2C, c). <μkinetic,Neq > at Tps = 1.2 s (d) for all doses of HA in [PRG4] = 45, 150, 450 μg/mL (Test 2A, 2B, 2C). Average < μkinetic,Neq > in PBS and SF shown in grey for reference. # = significantly higher than [PRG4] = 450 μg/mL (p < 0.05). ^ = significantly higher than [PRG4] = 150 μg/mL (p < 0.05)