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Fig. 1 | Stem Cell Research & Therapy

Fig. 1

From: Argon plasma surface modification promotes the therapeutic angiogenesis and tissue formation of tissue-engineered scaffolds in vivo by adipose-derived stem cells

Fig. 1

Evaluation of the rat adipose-derived stem cell (rADSC) adhesion and cell morphology on the modified scaffolds. a Cell morphology of the rADSCs after 6 h on the modified scaffolds by staining F-actin. Green indicates phalloidin, and blue indicates nucleus staining using DAPI. Scale bar refers to 100 μm. b Quantification of the F-actin morphology including cell circularity and cell area quantification showed no difference in cell circularity between the scaffolds. c Adhesion of the rADSCs after 24 h using DNA content assay. Note the PM+PRP and PM scaffolds showed significantly greater adhesion after 24 h compared to the PU and PRP scaffolds (**p < 0.01). d DNA content of the rADSCs after 14 days on the modified scaffolds. Note the PM+PRP and PM scaffolds showed significantly greater adhesion at days 2, 4, 7 and 14 compared to the PU and PRP scaffolds (**p < 0.01). PU unmodified scaffolds, PRP platelet-rich plasma-modified scaffolds, PM argon-modified scaffold, PRP+PM platelet-rich plasma and argon modification (n = 6)

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