by American Institute of Physics The complex interplay between phospholipid and hyaluronic acid self-assembly in solution, and the molecular weight of hyaluronic acid, determine surface affinity and the formation of a protective film on cartilage. Credit: Kangdi Sun, Tooba Shoaib, Mark W. Rutland, Changwoo Do, and Rosa M. Espinosa-Marzal Osteoarthritis is a degenerative joint disease caused...