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. Author manuscript; available in PMC: 2023 Mar 27.
Published in final edited form as: Nat Biomed Eng. 2023 Feb 6;7(3):270–280. doi: 10.1038/s41551-023-01003-7

Fig. 1 |. Candidate heptamethine NIR fluorophores for AD imaging.

Fig. 1 |

a, The chemical structures of ZW800–1A and ZW800–1C. The 3D energy-minimized structures were calculated by MarvinSketch (ChemAxon) to compare their hydrophobicity and conformational differences. b, The absorption and fluorescence spectra of candidate NIR fluorophores: ICG, ZW800–1A and ZW800–1C.