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. Author manuscript; available in PMC: 2022 Nov 6.
Published in final edited form as: World J Gastoentrol Hepatol Endosc. 2020 Oct 8;3(3):WJGHE-1-122. doi: 10.47690/wjghe.2020.3303

Figure 2: Peptide imaging agents.

Figure 2:

Biochemical structures are shown for peptide sequences (black) specific for A) EGFR, B) claudin-1, and C) ErbB2 with linkers (blue) to attach fluorophores FITC, Cy5, and IRDye800, respectively. D) Fluorescence spectra with excitation at λex = 488, 660, and 785 nm resulted in emission with peaks at λem = 519, 699, and 808 nm, respectively, and showed minimal overlap.