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(a) Ag functionalised substrate, p53 protein on antibody-ATP-Ag surface. Reflected light image captured using 100× air objective lens. Bright spots show layer of Ag nanoparticles on the surface of the substrate; (b) Top view SEM image showing nanopillars on substrate surface, scale bar on bottom indicates 5 micron; (c) AFM image of Silmeco substrate showing surface topography.
