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Surfaces presenting the bifunctional small molecule 3 support cell adhesion. a) M21 cells bind to the indicated surfaces as measured by a luminescence assay. Error bars represent the standard deviation (n=3 technical replicates). b–c) Micrographs of M21 cells cultured on surfaces presenting 3 (b) or a biotinylated heparin-binding peptide (FHRRIKA) (c). Scale bar, 100 μm.
