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Frequency distribution of the amide-I vibration sorted by residues in amyloid fibrils revealed by 2D-IR measurements and simulations. | LitMetric

AI Article Synopsis

Article Abstract

The infrared optical response of amyloid fibrils Aβ(1-40) is investigated. Simulations of two models corresponding to different protonation states are compared with experiment. The simulations reveal that vibrational frequency distributions inside the fibrils are dominated by side chain fluctuations. We further confirm earlier suggestions based on 2D-IR measurements that water molecules can be trapped inside the fibrils.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3314731PMC
http://dx.doi.org/10.1021/jp2096423DOI Listing

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