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.
(Color online) (a) Third and (b) 15th harmonic of normalized signal intensity for commercial and UW MNPs of varying size. Size (d0V) is determined by fitting to M(H) and the horizontal bars show the 68% confidence interval of the log-normal distribution.
