Fig. 7
From: Nanomaterials meet surface-enhanced Raman scattering towards enhanced clinical diagnosis: a review
A Schematic of ZnO-based SERS substrates for in vitro cancer cell detection, SEM images illustrating the capture of Hela cells, breast cancer (MDAMB231) cells, and fibroblast (NIH3T3) cells and corresponding SERS spectra. B Inorganic semiconductor TiOx as SERS substrates for cancer diagnostics: SEM images showing fibroblast-NIH3T3 cells (i), Hela cells (ii), and breast cancer-MDAMB231 cells (iii) capture TiOx SERS substrate and corresponding SERS spectra. C Organic semiconductor SERS substrate for cancer stem cell makers sensing and SERS spectra of genomic DNA from diverse types of cells. Reprinted with permission from ref. [188] (A); [189] (B) and [192] (C)