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.
DualESI-FT-ICR mass spectra of cages 3 with experimental and theoretical isotopic distributions (inset). Internal calibrant abbreviations are designated AngI (Angiotensin I), G (Glucagon) and Ins (Insulin). MMAint is the mass measurement accuracy using internal calibration, MMAext is the mass measurement accuracy using external calibration, * is the most abundant isotope, and • is electronic noise.
