Figure 5. Particle size, redispersion index, and ζ -potential of FEN pre- and post- drying, respectively, at ( a ) 71 ◦ C (below the Figure 5. Particle size, redispersion index, and ζ -potential of FEN pre- and post- drying, respectively, at ( a ) 71 °C (below melting point) and ( b ) 90 ◦ C (above the melting point) of the melting point) and ( b ) 90 °C (above the melting point) of Fenofibrate.