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GAATR-FTIR spectra of polymer brush poly(MeOEGMA-block-GMA) brush grown over Si substrates before (A) and after reaction with azide (B) and after immobilization of RGD peptide to surface concentration 3.2 × 102 nmol/cm2 (C), 1.2 × 103 nmol/cm2 (D) and 4.6 × 103 nmol/cm2 (E).
