Fig. 3
From: Regulation of lubricin for functional cartilage tissue regeneration: a review
Effect of synthesized aqueous lubricants on coefficient of friction (COF) with NBrMGs, SB-g-PNIPAAm, and SB-g-NBrMGs (a) of different concentration under the normal load of 5 N at 25 °C (b) under different loads (c) under the normal load of 5 N at different temperature (d) schematic diagram illustrating the hydrophilicity/hydrophobicity transition of NBrMGs and SB-g-NBrMGs around the volume phase transition temperature (VPTT) [56]