Figure 3

Normalized average SERS spectra of 55 cancer and 36 normal serum samples.
(a) Cancer, (b) normal, (c) difference spectra of cancer-normal, shade area represents the standard deviations.
Normalized average SERS spectra of 55 cancer and 36 normal serum samples.
(a) Cancer, (b) normal, (c) difference spectra of cancer-normal, shade area represents the standard deviations.