Accelerator-Based Methods in Radio-Material Mo/99mTc Production Alternatives by Monte Carlo Method: The Scientific-Expedient Considerations in Nuclear …

A Khorshidi - Journal of Multiscale Modelling, 2020 - World Scientific
Some accelerator technologies are already used for commercial 9 9 Mo-99mTc production,
as the economic criteria are considered representative of the main differences between …

Molybdenum-99 production via lead and bismuth moderators and milli-structure-98Mo samples by the indirect production technique using the Monte Carlo method

A Khorshidi - Physics-Uspekhi, 2019 - iopscience.iop.org
We describe the design of a neutron activator that contains a beryllium target, a lead/bismuth
moderator, graphite/PbF 2 reflectors, and a boron absorber. Production of the 99 Mo isotope …

[HTML][HTML] Nano Yttrium-90 and Rhenium-188 production through medium medical cyclotron and research reactor for therapeutic usages: a Simulation study

A Khorshidi - Nuclear Engineering and Technology, 2023 - Elsevier
The main goal of the coordinated project development of therapeutic radiopharmaceuticals
of Y-90 and Re-188 is to exploit advancements in radionuclide production technology. Here …

Modeling modulation transfer function based on analytical functions in imaging systems

M Ashoor, A Khorshidi - The European Physical Journal Plus, 2023 - epjplus.epj.org
The performance of the imaging systems such as CT, SPECT and digital radiography may
be investigated by the modulation transfer function (MTF) in which the spatial resolution …

Assessment of SPECT images using UHRFB and other low-energy collimators in brain study by Hoffman phantom and manufactured defects

A Khorshidi - The European Physical Journal Plus, 2020 - Springer
The performance of collimators was investigated using low-energy high-resolution (LEHR)
and low-energy ultra-high-resolution (LEUHR) collimators in SPECT system to study the …

Spectroscopy and optimizing semiconductor detector data under X and γ photons using image processing technique

JS Nabipour, A Khorshidi - Journal of Medical Imaging and Radiation …, 2018 - Elsevier
Background Spectroscopy is the study of the absorption and emission of light or other
radiation by material. It is used to measure intensity of radiation by a function of wavelength …

[HTML][HTML] Determination of defect depth in industrial radiography imaging using MCNP code and SuperMC software

A Khorshidi, B Khosrowpour, SH Hosseini - Nuclear Engineering and …, 2020 - Elsevier
Background Non-destructive evaluation of defects in metals or composites specimens is a
regular method in radiographic imaging. The maintenance examination of metallic structures …

Neutron Activator Design for 99Mo Production Yield Estimation via Lead and Water Moderators in Transmutation's Analysis

A Khorshidi - Instruments and Experimental Techniques, 2018 - Springer
Abstract 99 Mo/99 m Tc generator is a remarkable radionuclide choice for imaging in
nuclear medicine, thereby a neutron activator including two different neutron moderators …

Point-spread-function enhancement via designing new configuration of collimator in nuclear medicine

M Ashoor, A Khorshidi - Radiation Physics and Chemistry, 2022 - Elsevier
Background The collimators in which the various geometrical configurations have been
suggested to optimize the sensitivity and resolution have a key role in acquiring the qualified …

Feasibility of MMWF noise reduction algorithm in brain SPECT images according to various reconstruction methods: A phantom study

ES Kim, Y Lee, CR Park - Optik, 2021 - Elsevier
In order to improve image quality in single-photon emission computed tomography
(SPECT)/computed tomography (CT), various studies focusing on reconstruction methods …