Fig. 4From: Impact of seed amplification assay and surface-enhanced Raman spectroscopy combined approach on the clinical diagnosis of Alzheimer’s diseaseSERS spectra of SAA products of CSF samples from 16 AD, 4 MCI-AD and 11 ONC patients. For each patient sample 50 SERS spectra were acquired, elaborated (as reported in Materials and Methods section) and the average spectrum was plottedBack to article page