Table 1. Polymers Discussed for the Fabrication of Synthetic ECMs with Their Respective Functional Groups.

polymer name	functional groups
polyethylene glycol	–OH
nanocellulose	–OH
alginate	–OH
	–COOH
hyaluronic acid	–OH
	–COOH
	–CONHR
Polylactic-co-glycolic acid	–OH
	–COOH