Fig. 9From: Recent Advances in Silicon Nanowire Biosensors: Synthesis Methods, Properties, and ApplicationsIllustrated diagram of surface enhanced Raman scattering (SERS) sensor-based SiNWs/AgNPs for DNA detection. Step (i) DNA capture by SH. Step (ii) Addition of reporter DNA. Step (iii) Targeting DNA. Step (iv) Graphical illustration of target DNA and DNANC. This figure was reproduced from [57]Back to article page