Fig. 8
From: Using flow technologies to direct the synthesis and assembly of materials in solution
Fluorescence imaging of microgels showing degradation of gel over time; a non-degradable PEG-DA control, b–d. 30, 20, 10 wt% PEG-PLA. Scale bars are 50 μm. Images are reprinted with permission from Ref. [18] Copyright 2009 American Chemical Society