Table 2.

Hydrogel Treatment Groups

experimental group	hydrogel type	VEGF concn.
non-hydrogel loaded control (E)	none	none
fibrin hydrogel (FH)	fibrin	none
fibrin hydrogel w/2.5 μg/mL VEGF (2.5FH)	fibrin	2.5 μg/mL
fibrin hydrogel w/10 μg/mL VEGF (10FH)	fibrin	10 μg/mL
aptamer-functionalized fibrin hydrogel (AFH)	aptamer-functionalized fibrin	none
aptamer-functionalized fibrin hydrogel w/2.5 μg/mLVEGF (2.5AFH)	aptamer-functionalized fibrin	2.5 μg/mL
aptamer-functionalized fibrin hydrogel w/10 μg/mL VEGF (10AFH)	aptamer-functionalized fibrin	10 μg/mL