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.
Electrostatic potential surface around aspartame in the absence of ions. Negative isocontours are in red and positive isocontours are in blue. Isovalues were considered +1 and −1 for positive and negative charges respectively in picture generation
