279650.fig.002
Figure 2: Far infrared absorbance spectra of different variants of phosphatidylcholine from 600 to 50 cm−1 measured at room temperature. (A) phosphatidylcholine from egg yolk, (B) phosphatidylcholine 13C isotopically labeled, (C) phosphatidylcholine (DMPC), (D) deuterated D22-phosphatidylcholine, and (E) deuterated D35-phosphatidylcholine.