Why does my freeze-dried Collagen scaffold dissolves when rehydrating instead of becoming a hydrogel again?

Hello, I use Collagen type I along with a buffer solution (consisting of PBS, NaOH, and deionized water) to make a 3D hydrogel. I then freeze dry it until it becomes a 3D scaffold, and seed cells...

16 April 2023 3,169 0 View