Porous Cellulose Beads Fabricated from Regenerated Cellulose as Potential Drug Delivery Carriers

Figure 5

SEM micrographs of CBs prepared using different drying techniques (a) CPD-dried, (b) air-dried at room temperature, (c) oven-dried at 60°C, and (d) BET specific surface areas of CBs prepared using different drying techniques.

(a)

(b)

(c)

(d)