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.
Cytotoxicity of free DOX, PEI, HP and DHP against (A) HepG2 and (B) B16, respectively. (C) In vitro DOX release from DHP at pH 7.4, 6.0 and 5.0.
Note: **P<0.01.
Abbreviations: DHP, DOX-HBA-PEI; DOX, doxorubicin; HBA, hydrazinobenzoic acid; HP, HBA-PEI; PEI, polyethyleneimine.
