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Schematic demonstrating (A) PEG encapsulation via microfluidic droplet generation and (B) alginate encapsulation via electrostatic droplet generation. (C) Quantification of size difference between alginate electrostatic and microfluidic PEG capsule generation with or without islets. Error bars = SEM. **** P < 0.0001 by two-way ANOVA with Tukey’s multiple comparison test.
