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. 2019 Oct 25;14:8469–8481. doi: 10.2147/IJN.S219976

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© 2019 Wang et al.

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Optimal aptamer-GNP and antibody-GNP attachments. (A) Determination by aptamer-GNP. Different concentrations of aptamer-GNP (30 nM to 1 µM) were tested on the amine-modified MWCN surfaces. 500 nM of aptamer reached saturation. (B) Determination by antibody-GNP. Different concentrations (30 nM to 500 nM) were tested on the amine-modified MWCN surfaces. The antibody (250 nM) reached saturation. Figure inset shows the schematic.