Influence of heat treatment on the mechanical and the lubricant wear characteristics of stainless-steel grades against 5  wt% NaCl as industrial shielding materials
This article investigates the impact of the heat treatment, and lubricant wear measurements at 5 wt % NaCl solution, mechanical and radiation shielding properties of three grades of stainless steels: SS316, M303, and SS201. The obtained results showed that heat-treated martensitic stainless-steel grade has improved mechanical and tribological properties while heat-treated austenitic stainless-steel grades showed deteriorated wear resistance. The radiation shielding parameters of the studied grades are comparable. The effectiveness of heat treatment in the presence of NaCl solution is verified.PMID:35830750 | DOI:10.1016/j....
Source: Applied Radiation and Isotopes - July 13, 2022 Category: Radiology Authors: Samah A Al-Shelkamy Hassan M Abu Hashish E Salama Source Type: research

A Monte Carlo simulation for studying grid inefficiency of Frisch grid ionization chamber
Appl Radiat Isot. 2022 Jul 8;188:110365. doi: 10.1016/j.apradiso.2022.110365. Online ahead of print.ABSTRACTThe grid inefficiency (GI) of Frisch grid ionization chambers (FGICs) must be considered in the case of accurate energy measurements. A Monte-Carlo model has been developed based on the Garfield and SRIM toolkits to investigate the GI of FGIC. It could simulate the charge signals from different electrodes without considering the electrical noises and random effects in the experiments. Computations made with the weighting potential and charge signals of FGIC exemplify the possibilities of this model. The GI values obt...
Source: Applied Radiation and Isotopes - July 13, 2022 Category: Radiology Authors: Hongfei Chen Jianyu Zhu Meng Huang Pu Zheng Jun Xiao Tonghua Zhu Junjie Sun XiaoJun Sun Yu Cao Zhenghong Li Jie Yan Source Type: research

Thermoluminescence (TL), kinetic parameters and dosimetric features of Pakistani limestone
This study concludes that Pakistani limestone can be further assessed as a potential radiation dosimeter for various applications.PMID:35820299 | DOI:10.1016/j.apradiso.2022.110357 (Source: Applied Radiation and Isotopes)
Source: Applied Radiation and Isotopes - July 12, 2022 Category: Radiology Authors: M Masood Mahmood M Basim Kakakhel M Wazir-Ud-Din Sikander Hayat Khalil Ahmad Shakeel Ur-Rehman M Tariq Siddique Atif Masood Asadar Ul-Haq Sikander M Mirza Source Type: research

Induced radiation studies and personnel dose assessment in a carbon ion therapy facility
Appl Radiat Isot. 2022 Jun 25;188:110350. doi: 10.1016/j.apradiso.2022.110350. Online ahead of print.ABSTRACTCarbon ions have become the most widely used particles in heavy-ion tumor therapy due to favorable physical and biological characteristics. The beam delivery system (BDS) and tumor tissues are directly bombarded with accelerated carbon ions, resulting in activation products in the components and the patient's body. The results of an experimental study and a Monte-Carlo simulation for the radioactivity induced in a treatment room under a uniform scanning mode were presented in this study. They indicated that the mult...
Source: Applied Radiation and Isotopes - July 11, 2022 Category: Radiology Authors: Changli Luo Wuyuan Li Bo Yang Youwu Su Yang Li Zongqiang Li Wang Mao Xuebo Liu Weiwei Yan Fuhong Ma Source Type: research

Induced radiation studies and personnel dose assessment in a carbon ion therapy facility
Appl Radiat Isot. 2022 Jun 25;188:110350. doi: 10.1016/j.apradiso.2022.110350. Online ahead of print.ABSTRACTCarbon ions have become the most widely used particles in heavy-ion tumor therapy due to favorable physical and biological characteristics. The beam delivery system (BDS) and tumor tissues are directly bombarded with accelerated carbon ions, resulting in activation products in the components and the patient's body. The results of an experimental study and a Monte-Carlo simulation for the radioactivity induced in a treatment room under a uniform scanning mode were presented in this study. They indicated that the mult...
Source: Applied Radiation and Isotopes - July 11, 2022 Category: Radiology Authors: Changli Luo Wuyuan Li Bo Yang Youwu Su Yang Li Zongqiang Li Wang Mao Xuebo Liu Weiwei Yan Fuhong Ma Source Type: research

Absorbed dose rate for marine biota due to the oil spilled using ICRP reference animal and Monte Carlo simulation
Appl Radiat Isot. 2022 Jul 5;188:110354. doi: 10.1016/j.apradiso.2022.110354. Online ahead of print.ABSTRACTThe current study aimed to obtain dose conversion coefficients for marine animals due to an oil spill accident using two variables: crude oil activity concentration and organism depth. Thorium series presented a dose contribution twice that uranium series for similar conditions. Bi-214 and Tl-208 stood out for delivering a higher dose rate for uranium and thorium series, respectively. Results obtained can be used to assess the maximum exposure time for emergency oil control, removal, and mitigation in an oil spill ac...
Source: Applied Radiation and Isotopes - July 10, 2022 Category: Radiology Authors: Jos é M Lopes Carlos A D Lentini Lu ís F F Mendonça Andr é T C Lima Rodrigo N Vasconcelos Ademir X Silva Milton J Porsani Source Type: research

Absorbed dose rate for marine biota due to the oil spilled using ICRP reference animal and Monte Carlo simulation
Appl Radiat Isot. 2022 Jul 5;188:110354. doi: 10.1016/j.apradiso.2022.110354. Online ahead of print.ABSTRACTThe current study aimed to obtain dose conversion coefficients for marine animals due to an oil spill accident using two variables: crude oil activity concentration and organism depth. Thorium series presented a dose contribution twice that uranium series for similar conditions. Bi-214 and Tl-208 stood out for delivering a higher dose rate for uranium and thorium series, respectively. Results obtained can be used to assess the maximum exposure time for emergency oil control, removal, and mitigation in an oil spill ac...
Source: Applied Radiation and Isotopes - July 10, 2022 Category: Radiology Authors: Jos é M Lopes Carlos A D Lentini Lu ís F F Mendonça Andr é T C Lima Rodrigo N Vasconcelos Ademir X Silva Milton J Porsani Source Type: research

Nuclear model prediction of cross-section for < sup > 125 - 119 < /sup > I radionuclides produced in proton + < sup > 125 < /sup > Te reaction at ≈ 5-100 MeV
Appl Radiat Isot. 2022 Jun 28;188:110351. doi: 10.1016/j.apradiso.2022.110351. Online ahead of print.ABSTRACTThe theoretical model codes ALICE/ASH and TALYS-1.95(G) were used to make theoretical predictions of the production cross-sections of 125I, 124I, 123I, 122I, 121I, 120I, and 119I radionuclides produced in the interaction of proton-projectile with 125Te-target at energies ≈ 5-100 MeV. The results were compared with the measured values in the literature and with TENDL-2019 evaluated data. The Pearson's correlation coefficient indicates a strong and positive correlation between the predicted and the previously measur...
Source: Applied Radiation and Isotopes - July 8, 2022 Category: Radiology Authors: F K Amanuel Source Type: research

Nuclear model prediction of cross-section for < sup > 125 - 119 < /sup > I radionuclides produced in proton + < sup > 125 < /sup > Te reaction at ≈ 5-100 MeV
Appl Radiat Isot. 2022 Jun 28;188:110351. doi: 10.1016/j.apradiso.2022.110351. Online ahead of print.ABSTRACTThe theoretical model codes ALICE/ASH and TALYS-1.95(G) were used to make theoretical predictions of the production cross-sections of 125I, 124I, 123I, 122I, 121I, 120I, and 119I radionuclides produced in the interaction of proton-projectile with 125Te-target at energies ≈ 5-100 MeV. The results were compared with the measured values in the literature and with TENDL-2019 evaluated data. The Pearson's correlation coefficient indicates a strong and positive correlation between the predicted and the previously measur...
Source: Applied Radiation and Isotopes - July 8, 2022 Category: Radiology Authors: F K Amanuel Source Type: research

A solvent extraction-based procedure for removal of < sup > 46 < /sup > Sc impurity from reactor produced [ < sup > 45 < /sup > Ca]CaCl < sub > 2 < /sub > for its potential use in bone pain palliation
In this study, we have optimized a single-step solvent extraction procedure for complete removal of 46Sc impurity from [45Ca]CaCl2. The purified radiotracer was administered intravenously in normal Wistar rats and preferential bone uptake could be demonstrated by ex vivo biodistribution studies.PMID:35792353 | DOI:10.1016/j.apradiso.2022.110352 (Source: Applied Radiation and Isotopes)
Source: Applied Radiation and Isotopes - July 6, 2022 Category: Radiology Authors: Rubel Chakravarty Ramu Ram Sourav Patra Haladhar Dev Sarma Sudipta Chakraborty Source Type: research

A theoretical study for the production of < sup > 32 < /sup > P radioisotope using neutrons from the < sup > 68 < /sup > Zn(p,n) < sup > 68 < /sup > Ga reaction in a medical cyclotron
Appl Radiat Isot. 2022 Jun 30;188:110347. doi: 10.1016/j.apradiso.2022.110347. Online ahead of print.ABSTRACTIn the present study, the theoretical estimation of a combined production of 68Ga and 32P radioisotopes were investigated using a medical cyclotron. Protons are used in the 68Zn(p,n) reaction to produce the medical isotope 68Ga. The neutrons from the 68Zn(p,n)68Ga reaction are used to launch the 32S(n,p) reaction to produce 32P radioisotope. The cross section of these reactions were calculated using TALYS 1.9 code and compared with the available experimental results. SRIM-2013 code was used to calculate the stopping...
Source: Applied Radiation and Isotopes - July 6, 2022 Category: Radiology Authors: Mansoureh Tatari Zahra Dehghan Manshadi Haladhara Naik Source Type: research

Application of deep neural network and gamma-ray scattering in eccentric scale calculation regardless of the fluids volume fraction inside a pipeline
Appl Radiat Isot. 2022 Jun 30;188:110353. doi: 10.1016/j.apradiso.2022.110353. Online ahead of print.ABSTRACTScale formation is one of the major problems in the oil industry as it can accumulate on the surface of the pipelines, which could even fully block the fluids' passage. It was developed a methodology to detect and quantify the maximum thickness of eccentric scale inside pipelines using nuclear techniques and an artificial neural network. The measurement procedure is based on gamma-ray scattering using NaI(Tl) detectors and a137Cs radiation source that emits gamma-rays of 662 keV. The simulations considered an annula...
Source: Applied Radiation and Isotopes - July 6, 2022 Category: Radiology Authors: Roos Sophia de Freitas Dam William Luna Salgado Roberto Schirru C ésar Marques Salgado Source Type: research

A novel β-cyclodextrin/alginate-combined-nickel oxide nanosorbent for adsorptive remediation of < sup > 51 < /sup > Cr and < sup > 56 < /sup > Mn radionuclides
Appl Radiat Isot. 2022 Jun 24;188:110324. doi: 10.1016/j.apradiso.2022.110324. Online ahead of print.ABSTRACTA Promising nanocomposite from β-Cyclodextrin/Alginate (β-CD/Alg) composite impregnated with nickel oxide nanoparticles (NiO) has been synthesized and characterized using diverse techniques like FT-IR, XRD, TGA, and SEM. The new nanocomposite has been investigated for the efficient remediation of 51Cr and 56Mn radionuclides from simulated contaminated radioactive water. All the controlling experimental parameters such as solution pH, contact time, initial radionuclides concentration and adsorbent mass have been in...
Source: Applied Radiation and Isotopes - July 6, 2022 Category: Radiology Authors: M R El-Aassar M A Gizawy Elhassan A Allam Ahmed S M Ali Rehab M Elsharkawy Mohamed E Mahmoud Source Type: research

A solvent extraction-based procedure for removal of < sup > 46 < /sup > Sc impurity from reactor produced [ < sup > 45 < /sup > Ca]CaCl < sub > 2 < /sub > for its potential use in bone pain palliation
In this study, we have optimized a single-step solvent extraction procedure for complete removal of 46Sc impurity from [45Ca]CaCl2. The purified radiotracer was administered intravenously in normal Wistar rats and preferential bone uptake could be demonstrated by ex vivo biodistribution studies.PMID:35792353 | DOI:10.1016/j.apradiso.2022.110352 (Source: Applied Radiation and Isotopes)
Source: Applied Radiation and Isotopes - July 6, 2022 Category: Radiology Authors: Rubel Chakravarty Ramu Ram Sourav Patra Haladhar Dev Sarma Sudipta Chakraborty Source Type: research

A theoretical study for the production of < sup > 32 < /sup > P radioisotope using neutrons from the < sup > 68 < /sup > Zn(p,n) < sup > 68 < /sup > Ga reaction in a medical cyclotron
Appl Radiat Isot. 2022 Jun 30;188:110347. doi: 10.1016/j.apradiso.2022.110347. Online ahead of print.ABSTRACTIn the present study, the theoretical estimation of a combined production of 68Ga and 32P radioisotopes were investigated using a medical cyclotron. Protons are used in the 68Zn(p,n) reaction to produce the medical isotope 68Ga. The neutrons from the 68Zn(p,n)68Ga reaction are used to launch the 32S(n,p) reaction to produce 32P radioisotope. The cross section of these reactions were calculated using TALYS 1.9 code and compared with the available experimental results. SRIM-2013 code was used to calculate the stopping...
Source: Applied Radiation and Isotopes - July 6, 2022 Category: Radiology Authors: Mansoureh Tatari Zahra Dehghan Manshadi Haladhara Naik Source Type: research