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Bioluminescence intensity following in vivo imaging. (a) After treatment, the bioluminescence intensity of tumor-bearing mice that were intraperitoneally injected with luciferase substrate (150 mg/kg) was monitored using an in vivo imaging system (color). Mice were anesthetized by inhaling isoflurane. Bioluminescence was observed under the same conditions. (b) The bioluminescence intensity of each group was quantified.
