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. 2020 Oct 9;133:116067. doi: 10.1016/j.trac.2020.116067

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Fig. 4 — Schema of SiNW detection of DNA after functionalizing it with APTES, N-ethyl-N′-dimethyl aminopropyl carbodiimide (EDC), and N-hydroxysuccinimide (NHS) [70].