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. 2023 Jun 13;22(8):e13896. doi: 10.1111/acel.13896

FIGURE 1.

FIGURE 1

Chemical structure of NIR fluorescent probes and activation by β‐Gal. (a) Design and optimization of NIR fluorescent probes. (b) Time‐dependent cleavage of NIR fluorescent probes by β‐Gal from A. oryzae. (c) Characteristic absorption peak of fluorescent probe XZ1208 in presence of A. oryzae β‐Gal. (d) Fluorescence intensity of fluorescent probe XZ1208 after addition of A. oryzae β‐Gal. (e) Fluorescence emission of XZ1208 in the presence of potential competitive biospecies and interferents. Data are mean ± SEM (n = 3 independent assays).