Fig. 5From: RETRACTED ARTICLE: Fabrication of a microfluidic device for studying the in situ drug-loading/release behavior of graphene oxide-encapsulated hydrogel beadsIn vitro drug-loading/release profiles in a microfluidic channel using hydrogel beads with different GO concentrations (10, 25 and 50 μg) and various pH conditions (7.0, 8.0 and 9.0). a Control hydrogel beads (pH 6.3); (b) 10GO; (c) 25GO; (d) 50GO; (e) pH 7.0; (f) pH 8.0; (g) pH 9.0Back to article page