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. Author manuscript; available in PMC: 2012 May 19.
Published in final edited form as: J Phys Chem B. 2011 Apr 25;115(19):6321–6328. doi: 10.1021/jp201164u

FIG. 2.

FIG. 2

(A): The Gaussian shape laser pulse power spectrum, and NUV CD and LA spectra (linear scale and arbitrary unit) of the fibril F9 below. The absorption band in the NUV region is covered by the pulse bandwidth. (B) (Bottom) Simulated NUV CD (mean residue ellipticity) spectra (bottom) of F1, F2, F4, and F9 Aβ9–40 fibrils. (Top) two experimental spectra: Exp1[43] and Exp2[44] (magnified × 30). Dashed vertical lines mark the primary CD negative peaks. (C): Variation of intensities (ellipticity of the whole protein) of the four main CD peaks with the number of peptides n in Fn fibrils.