Figure 4From: Nanopore detection of DNA molecules in magnesium chloride solutionsCurrent blockade histograms in different experiment conditions. (a)In 1 M KCl solution for the 20-nm diameter nanopore, (b) in the mixedsolution with 0.5 M KCl + 0.5 M MgCl2 for the20-nm diameter nanopore, (c) in 1 M MgCl2 solution for the20-nm diameter nanopore, and (d) in 1 M MgCl2 solution fora 7-nm diameter nanopore.Back to article page