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.
Differential effects of CS, DS, and HA in altering hydrogel stiffness. A) Collagen solutions are cast on a PDMS well and subjected to stresses using indentation. B) Sample load readings of tested conditions. C) Only HA laden hydrogels led to increases in stiffness. Error bars denote SEM; NS is non-significance, *<0.05, **< 0.01.
