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.
Hydrodynamic diameter of Cy5/PLGA- (orange) and Cy5/PLGA+ (blue) in different biologically relevant media (A,B). SEM images of Cy5/PLGA- as-synthesized and after storage under ultrafreezing conditions for 8 weeks (C,D). Hydrodynamic diameter of Cy5/PLGA- after storage under ultrafreezing conditions at different time points (E). Data are representative of 3 independent experiments (mean ± SEM). ANOVA followed by a Newman–Keuls multiple comparison test was used.
