Piroxicam-Collagen-Based Sponges for Medical Applications

Figure 3

Optical microscopy images for collagen sponge (a) (100x), 1% piroxicam collagen (b) (50x), 1.5% piroxicam collagen (c) (50x), and 2% piroxicam collagen (d) (100x).

(a)

(b)

(c)

(d)