Hyaluronic acid: a double-helical structure in the presence of potassium at low pH and found also with the cations ammonium, rubidium and caesium.
D002586:Cesium; D006820:Hyaluronic Acid; D006863:Hydrogen-Ion Concentration; D008961:Models, Structural; D008968:Molecular Conformation; D011188:Potassium; D000644:Quaternary Ammonium Compounds; D012413:Rubidium; D014961:X-Ray Diffraction
D000644:Quaternary Ammonium Compounds; D002586:Cesium; D006820:Hyaluronic Acid; D012413:Rubidium; D011188:Potassium