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SEM micrographs of hESCd-MSCs attachment on: (A) CPC-chitosan control, and (B, C) CPC-chitosan-RGD at 4 days. Cells are designated as C. The cells had developed a healthy spreading and polygonal morphology. There were noticeably more cells attaching to CPC-chitosan-RGD than to CPC-chitosan control. The cells had developed long cytoplasmic extensions E, which is shown in (C) at a higher magnification. Color images available online at www.liebertpub.com/tea
