Example III
(cont.): Fourier Analysis of Preferential Orientation of A-beta Aggregates on
Graphite
Fourier Analysis of
Preferential Orientation of Ab Aggregates on
Graphite
• The average lateral spacing between the sheets based on 2-D FT:
18.8 ± 1.8 nm.
• The expected length of a fully extended 42-residue peptide:
~ 15 nm,
