Fig. 6: In vivo afterglow imaging.

a Afterglow images after UV irradiation (25.5 mW/cm2) of TPM (47.5 μg/mL) for 60 s. b Quantification of the afterglow intensities of the sample in a. c In vivo afterglow imaging of living mice after subcutaneous injection (100 µL) of TPM (47.5 μg/mL). Afterglow images were acquired after UV irradiation of mice for 60 s. d Quantification of the afterglow intensities of the injection areas in c. All bars represent mean ± SD (n = 3).