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.
(a) 17O detected field profiles for (circle, orange) TOTAPOL (96 scans / point), (square, green) trityl (8 scans / point), (diamond, red) SA-BDPA (384 scans / point) and (triangle, blue) SA-BDPA-trityl mixture (16 scans / point). (b) Expanded region for the three narrow-line radical field profiles. Sample composition for field profiles was 60/40 (v/v) d8-glycerol/H2 17O (35%- 17O-H2O) with 40 mM electrons.
