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Chemical interactions between dendrimers and non-crosslinked, pre-crosslinked and post-crosslinked films. Red spheres depict Atto dye, blue spheres depict positively charged free amines on IKVAV-capped dendrimers, black spheres depict negatively charged glutamate/aspartate residues on non-crosslinked collagen, and yellow highlights dendrimer-collagen covalent bonds.
