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Binding affinity between Aβ and 1-3 by GMSA assay (A) Lane 1: 3 alone; lane 2: 3 and Aβ in the ratio of 1:2; lane 3: 2 alone; lane 4: 2 and Aβ in the ratio of 1:2; lane 5: 1 alone; lane 6: 1 and Aβ in the ratio of 1:2; (B) Lane 1: tetrasaccharide mixture alone; lanes 2–6: tetrasaccharide mixture and Aβ in the ratios of 1:1, 1:2, 1:3, 1:4 and 1:6, respectively.
