Figure 1.
Nuclear magnetic resonance spectroscopy (NMR) of aqueous metabolites extracted from a sample of Daphnia magna. Complex overlapping peaks can be observed even in a shift range of just 0.5–5 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.