Fig. 2.

Macroscopic dimension of the fabricated polymeric hydrogel beads: control (0% fish oil), sample 1 (0.1 ml), sample 2 (0.3 ml) and sample 3 (0.5 ml) and their macro and microscopic ultrastructure images of the samples indicating rough porous surface and the deposition the oil content on the surface of the polymeric matrix with reduced pore size.