Table 3.

Influence of dilution by phosphate buffer (PBS) and iodinated contrast agent, ioxaglic acid (IA), on hyaluronic acid (HA) viscosity (Pa.s at 0.01 s⁻¹)

HA structure	Diluent	Viscosity at 0.01 s−1 (Pa.s)
		HA	Ratio 1/0.5	Ratio 1/1	Ratio 1/2	Ratio 1/4
Linear HA	PBS	77	10	2	1	0.07
	IA	77	38	20	4	–*
Crosslinked HA	PBS	2560	1010	520	130	15*
	IA	2560	900	359	49	20*

* Phase separation