Fig. 3. PS-COOH mixed with FITC-Pep before (A) and after (A′) washing with water and ethanol; PS-COOH mixed with FITC-Pep before (B) and after (B′) washing with water, ethanol and NaOH solution (0.1 M); PS-PEG mixed with FITC-Pep before (C) and after (C′) washing with water, ethanol and NaOH solution (0.1 M). Scale bar is 50 μm.
