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. Author manuscript; available in PMC: 2009 Sep 12.
Published in final edited form as: Biochim Biophys Acta. 2006 May 6;1758(7):908–914. doi: 10.1016/j.bbamem.2006.04.018

Fig. 3.

Fig. 3

Average second derivative spectra collected from each of the identified populations: G1 phase (top), S phase (center) and G2 phase (bottom). The vertical lines at 1650 and 1538 cm−1 indicate the amide I and amide II peak shifts, respectively.