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.
(a) Hydrogel undergoing compression test up to 50% strain; (b) representation of stress relaxation test carried out using wet samples by placing between two impermeable metal plates and suddenly subjected to compression up to 15% strain, and (c) subsequently, the strain was held constant, while the stress was recorded as a function of time.
