Figure 4.
UV spectra of the original chitosan and depolymerized chitosan (depolymerized by plasma in the presence of 2% H2O2 for different times): (a) original chitosan; (b) 60 min; (c) 120min; (d) 180 min.
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.