Characterization of LDL samples.

Representative LDL samples are represented by increasing 1617 cm−1 absorption percentage of amide I band (considered as 1700–1600 cm−1). All the measurements have been performed at least in triplicate with a ±S.D. smaller than 5%. Statistical significance; Lipid/Protein area %: p−1: p−1 band: B compared to A not significant, p−1 band: pEqual number of each subtype is shown to avoid an incorrect interpretation of such frequencies as the ones naturally occurring in population The total number of samples analysed in the study has been 19 and the complete data is shown in Table S1.aFull Width at Half Height (FWHH).