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. 2013 Oct 8;8(10):e77112. doi: 10.1371/journal.pone.0077112

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© 2013 Tan et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Cells were double-stained at day 7 for either EPC (CD34/VEGFR-2) or EC (CD31/vWF) markers, and counterstained with DAPI for nuclei. (A) Positive control, (B) POSS-PCU-FS+CD34, (C) POSS-PCU-FS, (D) POSS-PCU, (E) POSS-PCU-FS+IgG isotype negative control (20x magnification). Scale bar represents 20 µm.

POSS-PCU-FS: POSS-PCU with fumed silica anchors, POSS-PCU-FS+CD34: POSS-PCU biofunctionalized with anti-CD34 antibodies, POSS-PCU-FS+IgG: POSS-PCU biofunctionalized with goat anti-mouse antibodies.