Figure 2From: Metallacarboranes for proton therapy using research accelerators: a pilot studyImage of 50-mesh microscopy copper grid obtained by PIXE (A) recorded in air at the external microprobe setup and the same image with a mask over-imposed (red circle) delimiting the defined irradiation area (B). Grid specifications: 3.05 mm external diameter; pitch 500 μ m; hole 450 μm; bar 50 μm)Back to article page