Fig. 5From: Sustained, Controlled and Stimuli-Responsive Drug Release Systems Based on Nanoporous Anodic Alumina with Layer-by-Layer Polyelectrolyte a Doxorubicin (DOX) release profile for 3000 min at pH 5.2 and 7.4 for different numbers of polyelectrolyte bilayers. b Nonlinear fitting for the burst release at pH 5.2. c Nonlinear fitting for the second burst release at pH 7.4Back to article page