Fig. 1From: Correlations Between the Biochemistry and Mechanical States of a Sea-Urchin Ligament: A Mutable Collagenous StructureFourier transform infrared (FT-IR) spectra of: a standard CDL and bovine collagen type I. b The difference spectra of CDL and collagen type I (CDL-collagen) shown together with the spectrum of chondroitin sulphate from shark cartilage. The grey areas indicate characteristic wavenumber intervals for sulphate groups of chondroitin sulphateBack to article page