fig3
From: Fabrication method and performance of a light-responsive hydrogel microvalve in a microfluidic chip
Figure 3. Characterization results of the physical properties of hydrogels. (A) SEM image of “N01” hydrogel. (B) EDS characterization diagram of Fe element dispersion in “N01” LRH. (C) SEM image of “N02” hydrogel. (D) EDS characterization diagram of Fe element dispersion in “N02” LRH. EDS: Energy dispersive spectroscopy; LRH: light-responsive hydrogel.
