Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Photos of the hyaluronic acid drops in contact with each other. From left to right: the moment before the touching point, contact point, recession, disassociation. (a) 132 kDa, 20.0 mg/mL: (b) 1500 kDa 10.0 mg/mL, (c) 1500 kDa 20.0 mg/mL, (d) 2000 kDa 30 mg/mL. Reproduced from [69], with permission from Royal Society of Chemistry, 2020.
