Investigating the suitability of newly developed epoxy-based equivalent tissues for newborn and 5-year-old in paediatric radiology

NI Ashour, MFRA Hadi, NAA Hashikin… - Radiation Physics and …, 2024 - Elsevier
The varied radiological applications of tissue equivalent (TE) materials encompass quality
checks, diagnostic imaging, and dose evaluations. However, the availability of compounds …

Construction and verification of a physical chest phantom from suitable tissue equivalent materials for computed tomography examinations

I Amini, P Akhlaghi, P Sarbakhsh - Radiation Physics and Chemistry, 2018 - Elsevier
Physical phantoms are used to optimize various imaging modalities (eg computed
tomography) in terms of X-ray image quality and absorbed dose. In this regard, this study …

[HTML][HTML] Estimation of organ absorbed dose in pediatric chest X-ray examination: A phantom study

NHM Jamal, IS Sayed, WS Syed - Radiation Physics and Chemistry, 2020 - Elsevier
Children have a greater risk of develo** lifetime cancer and other biological effects from
ionizing radiation exposure than adults. The aim of this study was to measure the absorbed …

Comparing tissue-equivalent properties of polyester and epoxy resins with PMMA material using Gate/Geant4 simulation toolkit

A Khallouqi, A Halimi, MR Mesradi… - Radiation Physics and …, 2024 - Elsevier
This study investigates the applicability of cost-effective and commercially available
polyester and epoxy resins as alternative materials for polymethyl methacrylate (PMMA) in …

Cost-efficient anthropomorphic head phantom for quantitative image quality assessment in cone beam CT

Y Wang, J Dankelman, D Ruijters - Biomedical Physics & …, 2022 - iopscience.iop.org
In this study, a novel anthropomorphic head phantom for quantitative image quality
assessment in cone beam computed tomography (CBCT) is proposed. The phantom is …

Fabrication of new tissue equivalent materials as brain matter substitutes in diagnostic radiology

H Sekkat, A Khallouqi, A Halimi - Materials Letters, 2025 - Elsevier
This study develops novel brain-equivalent materials for radiation dosimetry using epoxy
resin combined with sodium bicarbonate or acetone as fillers. The composites, cured for …

Determination of effective atomic numbers from mass attenuation coefficients of tissue-equivalent materials in the energy range 60 keV-1.33 MeV

NAB Amin, J Zukhi, NA Kabir… - Journal of Physics …, 2017 - iopscience.iop.org
The main aim of this study was to establish a cost-effective tissue-equivalent material for
phantom fabrication. Effective atomic numbers (Z eff) and effective electron densities (N eff) …

Effective atomic number of soft tissue, water and air for interaction of various hadrons, leptons and isotopes of hydrogen

M Kurudirek - International Journal of Radiation Biology, 2017 - Taylor & Francis
Purpose: Characterization of soft tissue, water and air in terms of effective atomic number (Z
eff) with respect to the interactions of hadrons, leptons and isotopes of hydrogen. Method …

Study of attenuation characteristics for novel neonatal head phantom in diagnostic radiology using Monte Carlo simulations and experiments

H Sekkat, K Abdellah, O El Rhazouani… - Biomedical Physics …, 2025 - iopscience.iop.org
This study presents the design and validation of a neonatal head phantom using innovative
heterogeneous composite materials customized to replicate the X-ray attenuation properties …

A Monte Carlo study on quantifying the amount of dose reduction by shielding the superficial organs of an Iranian 11-year-old boy

P Akhlaghi, E Hoseinian-Azghadi… - Journal of medical …, 2016 - journals.lww.com
A method for minimizing organ dose during computed tomography examinations is the use
of shielding to protect superficial organs. There are some scientific reports that usage of …