Materials
CS from shark cartilage, CS-B (DS) from porcine intestinal mucosa, heparan sulfate from bovine intestinal mucosa, and keratan sulfate from bovine cornea were obtained from Singma-Aldrich (Steinheim, Genany). Low-molecular-weight heparin (Innohep) was supplied by Pharmion (Boulder, CO, USA). Avian CS (average molecular size 18 kDa,