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. 2002 May;11(5):1199–1205. doi: 10.1110/ps.4540102

Fig. 1.

Fig. 1.

PM–IRRAS spectra of SC3 during self-assembly at the air–water interface. PM–IRRAS of the amide I band recorded during self-assembly of SC3 at the air–water interface at 2.5 μg/mL in H2O recorded at 12-min time intervals (top). The first spectrum (thick line) was recorded 2 min after the start of the incubation. (Middle) The result in D2O with 19-min intervals between the spectra; the first spectrum (thick line) was recorded after 10 min of incubation. In H2O, the intermediate is formed within a few minutes, after which β-sheet structure is formed. In D2O, the buildup of the intermediate state is much slower. (Bottom) The amide I′ band in D2O, 48, 86, 124, and 276 min (thin to thick lines) after the start of the incubation, normalized to the maximum intensity.