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) Chemical structure of fluorescence-labeled poly(ethylene sodium phosphate) (Cy5-PEP·Na) and (b) in vivo fluorescence imaging of ICR mice at 0, 3, 30, and 75 h after the intravenous injection of Cy5-PEP·Na or Cy5-Az. Reproduced with permission from reference [33]. Copyright 2018 by The Royal Society of Chemistry.
