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) Chemical structure of synthetic PLA–PEG–PLA copolymer. (B) 1H NMR spectrum of PLA–PEG–PLA copolymer in D2O. (C) FTIR spectrum of PLA–PEG–PLA copolymer. (D) Macro and microscopic observations of morphology of PLA–PEG–PLA hydrogel at 25 °C. (E) Macro and microscopic observations of morphology of PLA–PEG–PLA hydrogel at 37 °C.
