Fig. 3.
Raman (red trace) and SERS (blue trace) spectrum of pMA. The estimated number of sampled molecules is 2.55 × 1011 for the Raman spectrum and 2.90 × 106 for SERS, so that an enhancement factor of about 105 can be estimated
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.