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. 2021 Feb 15;15(3):5077–5085. doi: 10.1021/acsnano.0c10127

Figure 2.

Figure 2

(a) Schematic representation of Cy5.5-NHS reaction with APTES, leading to the formation of the Cy5.5-APTES complex. (b) Emission spectra of MoO2–SiO2 core–shell NPs before and after conjugation with Cy5.5 (excitation at 665 nm).