Agents (commercial)	Vendor & Purity	Amount used	Properties
Pluronic F-127	Sigma, >99%	3.75 g	Non-ionic copolymer, white powder, Mw ~ 12,700
Hyaluronic acid	Bloomage Biotech, >95%	50 mg	Polysaccharide, white powder, Mw ~ 290 kDa
Acrylic Anhydride	TCI, >95%	30/60 µL	Volatile liquid, Mw 126.1
p-Nitrophenyl chloroformate	Sigma, 96%	0.48 g	White powder, Mw 201.6
Cysteamine hydrochloride	Sigma, ≥98%	11.3 mg	Colorless to very faintly yellow powder, Mw 113.6
Agents (synthesized)	Purity	Amount used	Properties
Thiolated Pluronic F-127	>90% pure, 70% grafting ratio	10% (w/v), 50 µL	White lyophilized powder
Hyaluronic acid-acrylate	>90% pure, 24% grafting ratio	2% (w/v), 50 µL	White lyophilized powder