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) CLSM images of HepG2 cells incubated with Dox, nBSA-COOH-Dox and nBSA-Dox at pH 7.4 and 6.5, respectively, for 3 h. (B) Cellular uptake efficiency of Dox, nBSA-COOH-Dox and nBSA-Dox over 3 h at pH 7.4 and 6.5, respectively. All the samples had a Dox concentration of 20 μg/mL (scale bar: 20 μm).
