Figure 1

Irradiation setup for shielded irradiation and measurement of scattering doses in non-targeted organs. (A) A 1-cm2 (1 cm × 1 cm) area of the lower abdomen of a gpt delta transgenic mouse placed in a chamber was irradiated with 5 Gy of X-rays with the rest of body shielded by lead shielding. (B) Multiple MOSFET dosimeters were inserted into the lungs, livers and targeted area of gpt mouse to measure the scattering doses.