Figure 2
From: Diffusion of nanoparticles in heterogeneous hydrogels as vitreous humour in vitro substitutes
Qualitative characterization of agar-hyaluronic acid hydrogels visualized using the caustics optical technique (left) and normal bright field (right), images obtained from the same sample area, for each of the different viscous hydrogels, with an inverted optical microscope. Scale bar: 20 µm.
