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Table 1 Markus ionization chamber readings without (M) and with TachoSil (M T )

From: Attenuation measurements show that the presence of a TachoSil surgical patch will not compromise target irradiation in intra-operative electron radiation therapy or high-dose-rate brachytherapy

Energy (MeV) Dmax (mm) M (nC) M T (nC) Dif T
6 13 2.259 ± 0.003 2.258 ± 0.003 −0.1%
9 20 2.714 ± 0.003 2.716 ± 0.003 0.1%
12 27 3.015 ± 0.003 3.018 ± 0.003 0.1%
  1. Markus readings corrected for the influence quantities of temperature and pressure. Indicated uncertainty corresponds to the maximum fluctuation of Markus chamber readings between measurements under the same conditions. All MT vs M differences are within the experimental uncertainty of ± 0.003 nC or ±0.1%.