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(a) Mean spectrum and SD (upper and lower curves) for all measurements predicted to belong to the cell nucleus. (b) Mean spectrum and SD (upper and lower curves) for all measurements predicted to belong to the membrane and cytoplasmic regions. (c) 95% CI, as calculated from Student’s t-test, for the mean difference of the plots in a and b. The positions of Raman bands assigned to DNA are indicated by dots.
