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. 2020 Aug 7;8:938. doi: 10.3389/fbioe.2020.00938

FIGURE 1.

FIGURE 1

Evolution of the (A) fundamental frequency shift and (B) dissipation value, measured by QCM-D at 5 MHz, during the deposition of NPs@AP on PEM precursor film, leading to NPs@AP coating, followed by the contact with Fmoc-FFpY solution leading to the Fmoc-FFY hydrogel coating. (C) Circular Dichroism and (D) Fluorescence emission (λex = 290 nm) spectra of Fmoc-FFY hydrogel coating (black curve) and Fmoc-FFpY solution (blue curve).