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. 2021 Jan 28;13(4):e1700. doi: 10.1002/wnan.1700

FIGURE 3.

FIGURE 3

A model to detect the virus specific artificial DNA/RNA with high sensitivity against small nucleotide variations (Ochmann et al., 2017). A DNA origami optical antenna with a height of about 125 nm was used to create a hot spot using metal nanoparticles, where the plasma effect enhanced the fluorescence signal