Figure 5From: Effect of pH on the Interaction of Gold Nanoparticles with DNA and Application in the Detection of Human p53 Gene MutationThe absorption maximum for the ssDNA–GNPs conjugates as the solution pH is cycled between 7.0 and 1.0 by adding 1 M NaOH or 1 M HCl. ssDNA: 273G–TBack to article page