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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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Number of double-positive CD34⁺ / VEGFR-2⁺ EPC colonies formed per 10⁶ cells plated was enumerated after 7 days of culture on the different surfaces. Error bars: ± SD; # denotes a significant difference (p < 0.05) between positive control and all other groups; * denotes a significant difference (p < 0.05) between POSS-PCU-FS+CD34 and POSS-PCU-FS+IgG. 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.