Fig. 4.
The influence of increasing Pluronic® F68 concentration on the in vitro T HCl release from chitosan-based NPs prepared at a drug/polymer ratio of 2:1 (a), 1:1 (b), and 1:2 (c) in simulated tear fluid (pH 7.4) at 34 ± 0.5°C (mean ± SD, n = 3)
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.