FIGURE 4.
1H NMR (a) and 13C NMR (b) analyses of the purified branched dextran of 2 × 106 g·mol−1 synthesized by BRS-B. 13C chemical shifts are given using acetone as reference (13C = 31.08 ppm).
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.