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) Photographs pictures of hydrogel formation. Scale bar: 2 cm; b) Modulus of hydrogels, the scanning time for each group is 300 s; c) SEM images of hydrogels; d) Swelling ratio and e) degradation of hydrogels in PBS with at 37 °C, pH = 7.4; f) Conductivity of hydrogels.
