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(A, B) Confocal fluorescence microscopy images of Phalloidin-TRITC stained human islets that were cultured in thin film (A) and electrospun (B) microwell scaffolds. (C–H) High resolution SEM images of islets in the thin film (C,E) and electrospun (D,FD) microwell scaffolds, and tissue culture plastic (G,H).
