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. 2020 Mar 22;26:e921040-1–e921040-9. doi: 10.12659/MSM.921040

Figure 1.

Figure 1

Nanomaterials-based strategies for detection and analysis of circulating tumor DNA (ctDNA). This figure shows the beads, emulsion, amplification, magnetics (BEAMing) method, modified from Dressman et al., 2003 [27]; the polymerase chain reaction and surface-enhanced Raman spectroscopy (PCR-SERS) method, modified from Wee et al., 2016 [42]; the suspension array method, modified from Chen et al., 2019 [47]; Fe-Au nanoparticle-coupling strategy, modified from Hu et al., 2018 [55]; the electrochemical DNA biosensor, modified from Campuzano et al., 2019 [57]; and microfluidics method, modified from Ou et al., 2019 [76].