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Effect of variant Aβ peptides on ANS fluorescence. Fluorescence spectra were collected from 430 to 650 nm, with excitation at 350 nm. Solid lines symbolize unbound ANS in phosphate buffer, while ANS binding to Aβ-40 and Aβ-40 Y10F are represented by dotted and dashed lines, respectively. Each point represents the average of three independent experiments.
