Research Article

Adsorption and Desorption of Bioactive Proteins on Hydroxyapatite for Protein Delivery Systems

Figure 1

HPLC analysis. (a) Chromatograms of cytochrome c (top) and insulin (bottom). (b) Correlations between the peak area and the concentrations of cytochrome c (solid symbols) and insulin (open symbols).
932461.fig.001a
(a)
932461.fig.001b
(b)