fig2
From: Fabrication method and performance of a light-responsive hydrogel microvalve in a microfluidic chip
![Fabrication method and performance of a light-responsive hydrogel microvalve in a microfluidic chip](https://image.oaes.cc/c308927f-f445-48b5-8ae5-cbfd4461a8d0/4846.fig.2.jpg)
Figure 2. Characterization results of the physical properties of hydrogels. (A) Compressive strength curves of two hydrogels. (B) Photographs of “N01” and “N02” LRH microspheres. LRH: Light-responsive hydrogel.