Figure 1From: Measurement of diffusion in articular cartilage using fluorescence correlation spectroscopyResults of histological examination. After treatment for 7 h, no staining was detected in samples with toluidine blue and safranin O stains, but only HE staining. Therefore, cartilage plugs treated for >7 h were considered as degenerated cartilage models in these experiments. Scale bar = 500 μm.Back to article page