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Title: On the effectiveness of proton boron fusion therapy (PBFT) at cellular level
Authors: Shahmohammadi Beni M.
Islam M.
Kim K.
Krstic, Dragana
Nikezic, Dragoslav
YU, Kwan Ngok Peter
Watabe, Hiroshi
Issue Date: 2022
Abstract: The present work introduced a framework to investigate the effectiveness of proton boron fusion therapy (PBFT) at the cellular level. The framework consisted of a cell array generator program coupled with PHITS Monte Carlo package with a dedicated terminal-based code editor that was developed in this work. The framework enabled users to model large cell arrays with normal, all boron, and random boron filled cytoplasm, to investigate the underlying mechanism of PBFT. It was found that alpha particles and neutrons could be produced in absence of boron mainly because of nuclear reaction induced by proton interaction with 16O, 12C and 14N nuclei. The effectiveness of PBFT is highly dependent on the incident proton energy, source size, cell array size, buffer medium thickness layer, concentration and distribution of boron in the cell array. To quantitatively assess the effectiveness of PBFT, of the total energy deposition by alpha particle for different cases were determined. The number of alpha particle hits in cell cytoplasm and nucleus for normal and 100 ppm boron were determined. The obtained results and the developed tools would be useful for future development of PBFT to objectively determine the effectiveness of this treatment modality.
Type: article
DOI: 10.1038/s41598-022-23077-0
SCOPUS: 2-s2.0-85140858367
Appears in Collections:Faculty of Science, Kragujevac

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