Table 5.

Summary of structural, physical, and physico-chemical properties of hyaluronic acid with various molecular weights.

Property	HA MW, kDa	Authors	Reference
Hydrodynamic size	100, 500, 1000, 3000, 6000	Cowman et al.	[40]
Rheology	350, 680, 1800	Falcone et al.	[49]
	1000, 2000, 3000, 4000	Bothner et al.	[50]
	125, 241, 390, 598, 800, 961, 1270, 1430, 1620, 1770, 2040, 2150	Yanaki and Yamaguchi	[54]
Surface tension	100, 500, 4000	Knepper et al.	[59]
	1630	Ribeiro et al.	[60]
	1500	Krause et al.	[61]
	807, 4280, 5560	Silver et al.	[62,64]
	1000, 5000	Nepp et al.	[66]
Cohesion/adhesion	350, 680, 1800	Falcone et al.	[49]
	132, 1500, 2000	Vorvolakos et al.	[69]
Density	1500	Gómez-Alejandre et al.	[75]
	1430	García-Abuín et al.	[76]
	10–30, 110–130, 300–500, 1500–1750	Kargerová and Pekař	[80]
Ultrasound velocity	1430	García-Abuín et al.	[76]
	10–30, 110–130, 300–500, 1500–1750	Kargerová and Pekař	[80]
Osmolality and colloid osmotic pressure	1000, 2000, 3000, 4000	Bothner et al.	[50]
	From 500 to 7900 (eye drops)	Dick et al.	[93]
		Dick	[94]
Hydraulic conductivity and fluid absorption rate	85, 280, 500, 4000	Wang et al.	[102]
	45.4, 81.9, 165, 196, 699, 844, 1110	Lam	[104]
		Lam and Bert	[105]