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.
Characterization of conjugated dopamine-modified hyaluronic acid: (A) Ultraviolet–visible (UV–vis) spectra of the control (HA) and the catechol-based conjugate (HA-DN). 1H-nuclear magnetic resonance (NMR) spectra of (B) HA; (C) DN and (D) the synthesized conjugate HA-DN, all with an expanded view. a.u.: Arbitrary units.
