Figure 4

HPSEC chromatograms of HA-LIG and HA-CYN before and after addition of acetic acid (AcOH) to adjust sample pH from 7 to 3.5.
HPSEC chromatograms of HA-LIG and HA-CYN before and after addition of acetic acid (AcOH) to adjust sample pH from 7 to 3.5.