Fig. 2From: Synthesis of carboxymethylcellulose/starch superabsorbent hydrogels by gamma-irradiationSEM photographs of freeze-dried CMC/starch hydrogels with a starch content of 0% a, 30% b, e–h and 50% c, d (×35 to ×1000 zoom; gel synthesis: 20 w/w% solution, 20 kGy dose)Back to article page