Molecular structure of dextran sulphate sodium in aqueous environment

Helix structure of dextran sulphate sodium in an aqueous environment. Sodium cations are positioned in pairs between the two sulphate ester groups on each glucose ring. DSS structure are displayed as tubes. Solvent water molecules are displayed as lines for clarity. Grey: carbon, red: oxygen, white: hydrogen connection, yellow: sulfur and blue: sodium cation.584