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.
Methods to analyze the photoinstability of gold nanorods. (A): Typical sigmoid trend of the parameter labelled as R (see the main text for a definition) vs. excitation fluence. (B): Representative example for the occurrence of a sublinear trend of photoacoustic (PA) signal vs. excitation fluence, denoting the onset of reshaping.
