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. 2021 Sep 15;429:132472. doi: 10.1016/j.cej.2021.132472

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Fig. 1 — (A) TEM image of Au-g-C₃N₄ and (B) UV–vis absorption spectra to illustrate the synthesis of Au-g-C₃N₄. (C) EDX elemental mapping to show the elemental composites and distribution of the Au-g-C₃N₄. (D) Elemental mapping data of the Au-g-C₃N₄. (E) Polyacrylamide gel electrophoresis analysis of DNA tetrahedron: Lane 1 (T1), Lane 2 (T2), Lane 3 (T3), Lane 4 (T4), Lane 5 (T1 + T2 + T3), Lane 6 (T1 + T3 + T4), Lane 7 (T1 + T2 + T4), and Lane 8 (T1 + T2 + T3 + T4).