Staining and LabelingPhenazinesAlcian BlueCartilage, ArticularCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneColoring AgentsPotassium CyanideCollagen Type IICartilage DiseasesChondrocytesProteoglycansAggrecansAntimetabolitesMast CellsOsteoarthritisIonophoresCartilageKnee JointSpectrophotometryCells, Cultured