Research Article

DNA Modified with Metal Nanoparticles: Preparation and Characterization of Ordered Metal-DNA Nanostructures in a Solution and on a Substrate

Figure 11

DNA absorption spectra in 5% (1, 3) and 10% (2, 4) solutions of Al-NPs (with subtracting the contribution of nanoparticles) after (1, 2) and before (3, 4) centrifugation, and optical density of solution with 10% Al-NPs (5). All solutions contain 5 mM NaCl.