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. 2011 May 17;9:19. doi: 10.1186/1477-3155-9-19

Figure 8.

Figure 8

Raman spectrum of Lys system vs. the concentration of DMSO. The concentration of Lys was 1.5 × 10-5 mol/L. (a) Native Lys; (b) Lys and 10% DMSO; (c) Lys and 30% DMSO; (d) Lys and 50% DMSO; (e) Lys and 70% DMSO.