Fig. 3
HA–lipid binding profiles. a Phospholipids with a choline headgroup (
) Phosphatidyl choline; (
) sphingomyelin. b (
) Cholesterol; (
) Phosphatidic acid. c Lipids found in the tear film lipid layer (
) the wax palmitoyl palmitate, (
) mono-glyceride. Lines are the linear regression fit