Figure 1 | Scientific Reports

Figure 1

From: Optimizing proton minibeam radiotherapy by interlacing and heterogeneous tumor dose on the basis of calculated clonogenic cell survival

Figure 1

Schematic representation of unidirectional proton minibeams and interlaced minibeams from multiple directions. Unidirectional minibeams can be applied with pencil (a) or planar (c) minibeams. Pencil minibeams are interlaced from two opposite directions (b) with the two grids shifted by (ctc/2, ctc/2). Planar minibeams are interlaced from two opposing (d) and two orthogonal (e) directions with the two grids shifted by (ctc/2). Planar minibeams are also interlaced from four directions (f; 90° between all neighboring directions, grids shifted by ctc/4 between neighboring directions). Figures are created using the Creo 2.0 software. Credit: Peter Hartung.

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