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(A) Hydrodynamic diameter dsph and (B) scattering intensity at 90° angle I(90°) as determined by dynamic light scattering for Aβ in 0.4 M (○), 2 M (□), 4 M (♦), and 6 M (×) urea after sample preparation. Light scattering data are shown along with the fits to the kinetic model (see text).
