Figure 3.

In vivo XEOL imaging with intramuscularly injected LGO:Cr@mSiO₂ nanoparticles. The nanoparticles (0.2 mL, 1 mg/mL) were intramuscularly injected into the hind leg at the prone position; the X-ray stimulation and imaging were performed at the supine position. a) In vivo images, taken immediately after as well as 5 and 10 min after X-ray irradiation. XEOL can be repeatedly stimulated and the signals can be detected from beneath the mouse body. b) Changes of XEOL intensity, based on imaging results from (a).