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) Release kinetics of CPT from PEGylated CPT-PLA10 NC and PEGylated CPT-N-PLA10 NC in human serum buffer (human serum:PBS=1:1, v/v) at 37 °C. (B) Cytotoxicity of free CPT, PEGylated CPT-LA10 NC and PEGylated CPT-N-PLA10 in MCF-7 cells as determined by MTT assay (37 °C, 72 h). Statistical differences between the groups were assessed with Student’s t-test. * P< 0.05 is considered statistically significant.
