Figure 2From: Is there evidence for change to collagen within parchment samples after exposure to an X-ray dose during high contrast X-ray microtomography? a multi technique investigationOverlaid ATR-FTIR spectra of modern parchment samples, (A) untreated control, (B) 2.16Â hrs scanned, (C) 2.36Â hrs scanned and (D) 12Â hrs scanned by the XMT. (1) Amide III, (2) Amide II, (3) Amide I, (4) Amide B, (5) Amide A.Back to article page