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Immunofluorescence of rat aSCs and BMSCs on chitosan films. aSCs (green, α-S100) were viable and showed their typical spindle-shaped morphology on 2 DIV (A) and 7 DIV (B). BMSCs (red, F-actin filaments) were viable but showed a contracted morphology on 2 DIV (C) and presented their typical fibroblast-like morphology only on 7 DIV (D). All nuclei counterstained with DAPI. Scale bar=100 μm. Color images available online at www.liebertpub.com/tea
