An international journal published by K. N. Toosi University of Technology
Effect of reinforcement phase loading on the dosimetry response of a Polycarbonate/Bismuth Oxide nanocomposite for beta particles

Shahryar Malekie; Sedigheh Kashian; Seyed Musa Safdari; Morteza Akbari; Arjang Shahvar

Volume 3, Issue 2 , May 2022, , Pages 11-15

http://dx.doi.org/10.22034/rpe.2022.339504.1081

Abstract
  In this experimental work, Polycarbonate/Bismuth Oxide (PC-Bi2O3) nanocomposites were prepared in various concentrations of 0, 10, 30, and 50 wt% with thicknesses of 1 mm and irradiated by a pure beta-emitter source of Sr-90. To fabricate the electrodes, copper sheets with thickness of 100 µm were ...  Read More

Optimization of beamline diameter in spot scanning proton therapy for minimization of secondary particles using finite element method

‎Amir Veiskarami; ‎Mahdi Sadeghi; ‎Dariush Sardari; ‎Shahryar Malekie

Volume 1, Issue 3 , August 2020, , Pages 11-16

http://dx.doi.org/10.22034/rpe.2020.89327

Abstract
  ‎Collision of protons with background gas and beamline wall in proton therapy causes the creation of secondary particles‎, ‎e.g. neutrons‎, ‎which results in more difficulties in curing the tumors‎. ‎In the present simulation-based study‎, ‎the optimum diameter of ...  Read More