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The influence of electron beam (e-beam) irradiation upon anhydrous and hydrated quercetin Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-17
Elena Stancu, Daniela Gheorghe, Bogdan Bita, Ion Calina, Mihaela Gherendi, Flaviu Baiasu, Cornelia Marinescu, Ancuta Sofronia, Ana NeacsuThe quercetin belongs to natural flavonoid group found in plant pigment. It is well known their antioxidant proprieties and potential health benefits. By the other hand, the high energy electron beam processing is in trend for their usage in food preserve, sterilisation or material processing. The objective of this paper is to assess the impact of high energy electron beam irradiation on two flavonoids
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Monte Carlo simulation study on the radiation attenuation characteristics of doxorubicin-treated femur and tibia bones in rats Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-17
Hasan Özdoğan, Ferdi Akman, Özge Kilicoglu, Yasin Gökçe, Yiğit Ali ÜncüDoxorubicin (DOX) is a potent chemotherapeutic agent widely recognized for its effectiveness in cancer treatment; however, its impact on bone tissue's radiation attenuation properties remains underexamined. This study investigates the gamma radiation attenuation properties of bones, focusing on mass attenuation coefficients (MACs) and linear attenuation coefficients (LACs) across a photon energy range
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Enhanced capacity and cyclic performance of lithium-ion battery using a mixture of V2O5 and lithium borate glasses doped with manganese, cobalt, and nickel as the cathode active material Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-17
Jintara Padchasri, Sumeth Siriroj, Pinit KidkhunthodLithium-ion batteries (LIBs), powering numerous technologies, suffer from limitations including inadequate energy density and unstable performance over extended cycles. In this study, we explore Ni–Mn–Co (NMC)-doped LBO glass as a promising electrode material combined with a V2O5 cathode as a strategy to address these limitations. We investigated the effect of V2O5 cathode active material additions
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Gamma-irradiation-induced modifications in the structural and optical properties of Makroblend-UT3907 films Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-17
Sultan J. Alsufyani, T.S. Soliman, M. Khalid Hossain, M.F. Zaki, Tayseer I. Al-NaggarThe current study aims to obtain information about how gamma-ray exposure affects Makroblend-UT3907 film properties. Makroblend-UT3907 film irradiated with a Co-60 source with doses of 0, 60, 90, 180, and 300 kGy. Gamma-ray exposure alters the structure of the polymer film; this is investigated using X-ray diffraction, Fourier transform infrared, and Raman spectroscopies. The absorbance spectra of
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Towards high performance lithium storage anodes: Design strategy for carbon coated SnS–SnO2/rGO nanocomposites Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-15
Orapim Namsar, Thanapat Autthawong, Chawin Yodbunork, Waewwow Yodying, Naruephon Mahamai, Kittiputh Kunniyom, Mitsutaka Haruta, Thapanee SarakonsriThe new anode materials for lithium-ion batteries (LIBs), nanocomposites of carbon-coated SnS and SnO2 riveted on rGO sheets (denoted as C@(SnS–SnO2/rGO)), were constructed by effective, facile, and low-cost techniques. Benefiting from the dual-carbon modification (rGO and carbon coating layer), the C@(SnS–SnO2/rGO) nanocomposites exhibited significantly improved rate capability and cycle stability
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Investigating the impact of target area surface curvature on dosimetric characteristics of external beam radiation therapy using Monte Carlo simulation Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-15
Mohammed Rezzoug, Mustapha Zerfaoui, Yassine Oulhouq, Abdeslem Rrhioua, Samir Didi, Dikra BakariThe purpose of this investigation was to access the impact of target area surface curvature on the dosimetric characteristics in external beam radiation therapy using the GATE (Geant4 Application for Tomographic Emission) Monte Carlo simulation tool.
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Proposal for an Iodine-131-based technique derived from a Monte Carlo study for inactivating SARS-CoV-2 Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-15
Jaafar EL Bakkali, Tarek EL Bardouni, Bouchra El Mchichi, Omar Ait Sahel, Khalid Ennibi, Abderrahim DoudouhIonizing radiation has been used for many years in the development of vaccines against viruses. Recent studies have shown that γ radiation can effectively inactivate SARS-CoV-2 at doses ≥6 kGy. In this study, we proposed a β− inactivation method for SARS-CoV-2 using the Iodine-131 (I-131). Using FreeCad software, we designed five four-layered hollow spheres with varying radii. The innermost layer is
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Dynalog-based dose verification in PRIMO Monte Carlo for IMRT and VMAT head and neck cancer Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-14
Mochamad Robby Fairuzzihab Qodarul, Dea Ryangga, Andrian Dede Handika, Supriyanto Ardjo Pawiro, Akbar AzziModern linear accelerator (linac) nowadays writes the treatment delivery log within its system. This log can be reconstructed into treatment plan format as an input for the independent dose calculation (IDC) to evaluate the planned dose distribution. PRIMO, one of the Monte Carlo simulation user codes, can perform IDC using both plan parameter and treatment log history. This study aims to verify the
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Multifunctional properties of Mn and Fe co-doped lead-free BCT perovskite ceramics synthesized via solid-state combustion Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-14
Chittakorn Kornphom, Nutkamon Sonchaopri, Sununta Yimsabai, Pongsakorn Jantaratana, Supree Pinitsoontorn, Naratip Vittayakorn, Theerachai BongkarnThere is a growing demand to improve the performance of multiferroic lead-free ceramics. Good ferroelectric and magnetic properties are key parameters for achieving high magnetoelectric coupling (ME). In this work, Mn and Fe were co-doped into lead-free Ba0.96Ca0.04Ti(1-x)(Mn0.5Fe0.5)xO3 (BCT-xMF) ceramics with 0 ≤ x ≤ 0.030 mol%, synthesized by the solid-state combustion technique. X-ray diffraction
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Dosimetric analysis of magnetic fields impact on 192Ir MicroSelectron-HDR and BEBIG 60Co-HDR brachytherapy sources: A Monte Carlo simulation study using GATE Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-12
Pooya Alvani, Saman Dalvand, Mansour ZabihzadehThis study investigates the dosimetric impact of magnetic fields (MFs) on 192Ir MicroSelectron-HDR and BEBIG 60Co HDR brachytherapy sources. Monte Carlo simulations using the GATE toolkit were conducted to evaluate dosimetric parameters, including radial dose function (g(r)) and anisotropy function (F(r, θ)), as well as dose distributions under MF strengths of 1.5T and 3T across different orientations
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Investigation of the ill-posed inverse problem in measuring near-threshold electron and positron-induced atomic inner-shell ionization cross-sections based on neural network approaches Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-11
Jiaolong Wu, Ying Wu, Xiaogang Sheng, Yudan Li, Miao PanAccurate measurement of near-threshold positron or electron impact atomic inner-shell ionization cross-sections is of significant importance both theoretically and in practical applications. Due to the complexity of preparing thin targets, difficulty in precisely measuring their thickness, and the low characteristic X-ray collection efficiency of thin targets in positron collision experiments, the
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Effects of Trace Rare Earth (TRE) additions on thermal, crystal structure, and radiation shielding properties of CuAlMn high-temperature S-M alloys: A closer look at Cerium effect Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-10
Ece Kalay, İskender Özkul, Oktay Karaduman, Yasin Kızılgün, Ömer Güler, Canan Aksu Canbay, G. Kilic, Duygu Sen Baykal, Ghada ALMisned, H.O. TekinThis study systematically investigates the effect of Ce addition on the thermal, structural, and radiation shielding properties of CuAlMn-based high-temperature shape memory alloys (HTSMAs). Among the different compositions, Ce-III demonstrated the most balanced performance, exhibiting optimized phase transformation behavior, microstructural refinement, and enhanced gamma-ray attenuation. Differential
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Uranium recovery from Moroccan Phosphate rock for nuclear-powered desalination and water security: A review Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-10
Fatima Ezzahra Arhouni, Maged Ahmed Saleh Abdo, Saad Ouakkas, Mohamed Lhadi Bouhssa, Aziz BoukhairMorocco faces severe water scarcity, making nuclear-powered desalination a promising solution. With 50 billion tonnes of phosphate reserves containing 6.9 million tonnes of uranium, Morocco holds the largest unconventional uranium resource, offering a sustainable uranium supply. This review examines uranium recovery from wet-process phosphoric acid (WPA) using solvent extraction, ion exchange, and
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Point dose verification in delivery quality assurance for gyroscopic radiosurgery system Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-10
Yagiz Yedekci, Huseyin Kivanc, Fatih Biltekin, Demet Yildiz, Gozde Yazici, Gokhan OzyigitThis study aimed to evaluate the feasibility and accuracy of patient-specific delivery quality assurance (PS-DQA) using the Semiflex®3D ionization chamber within the ZAP-X gyroscopic radiosurgery system.
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Evaluating impact of detector arrangement and position resolution effect on a fast neutron-based range verification system for proton therapy Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-10
Lena M. Setterdahl, William R.B. Lionheart, Danny Lathouwers, Hunter N. Ratliff, Kyrre Skjerdal, Ilker MericReal-time proton therapy range verification is a technique that can potentially reduce uncertainty margins around the treatment volume and enable prompt corrections during treatment, making proton therapy a safer cancer treatment modality. Imaging secondary particles resulting from proton-beam nuclear interactions with tissue serves as a means of range verification. The NOVO project recently (2023)
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ZnO-enhanced borotellurite glasses: A comparative investigation of radiation shielding via experiment and simulation approaches Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-10
M.I. Sayyed, Chaitali V. More, K.A. Mahmoud, M.U. Khandaker, S.E. LamA lead-free glass series was fabricated according to the chemical formula of (40-x) B2O3+20 TeO2 + (20 + x + y) ZnO + (20 - y) CaO, where x = 0, 2, 4, and 6 mol% and y = 0, 3, 6, and 9 mol%. The role of substitution of ZnO for B2O3 and CaO compounds on the physical and radiation shielding properties of the prepared series was investigated. The density of prepared glasses was examined according to the
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Effectiveness of radiation protectors to reduce occupational radiation dose of medical staff when performing radioligand therapy with 177Lu Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-09
Saya Inoue, Takashi Asahara, Daisuke Hasegawa, Keisuke Yoshitomi, Sota Goto, Hiroaki Hayashi, Toshihiro IguchiRecently, the radioactive nuclide 177Lu has been applied to clinical radioligand therapy. The β-rays emitted from 177Lu are used for radiation therapy. Although this nuclide also emits γ-rays that can be used to image radioactive isotope distributions, it causes an exposure dose risk to medical staff who operate the radioligand therapy. This study investigates the radiation-shielding effectiveness
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Characterization of intraoral digital detectors: Comparative analysis in spatial and reciprocal domains across two different beam qualities Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-09
S.I. Allen, P.C. Watanabe, M.E. PolettiThe transition from analog to digital systems in dental radiography is primarily driven by the technological advancements offered by digital detectors. This study evaluates the performance of three commercially available intraoral digital detectors—Eagle Digital Sensor, RVG 5200 Carestream Dental, and Schick Fona CDRelite—under two beam qualities: the standard RQA 5 quality (70 kVp, 21 mm Al) and a
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Assessment of suspended particulate matter in school environments in the city of Rio de Janeiro (Brazil) using X-ray fluorescence Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-09
Julien L. Pereira, Marcelino J. dos Anjos, Joaquin T. Assis, Roberta G. Leitão, Catarine Canellas, Fábio T.S. Tsuyama, Hamilton S.G. Filho -
Alpha particle induced reactions on 153Eu as possible routes for 152Tb and 155Tb production Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-09
E.S. Kormazeva, A.K. Ilyuschenko, V.I. Novikov, A.N. Moiseeva, I.A. Khomenko, D.V. Shpuntov, N.V. Aksenov, M.G. Voronuk, R.A. AlievCross-sections for the 153Eu(α,x)151-156Tb,153Gd reactions were measured by using the stacked foil technique within alpha-particle energy range of 60.0 to 19.8 MeV. All of the data were obtained for the first time. Experimental data were compared with theoretical values from the TENDL-2023 database. Thick target yields of activation products were calculated. The reactions 153Eu(α,2n)155Tb and 153Eu(α
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Development of metal/metal oxide enriched polymer composites for radiation shielding of low-energy photons Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-09
Linas Kudrevičius, Jurgita Laurikaitienė, Gustė Laurikaitytė, Diana AdlienėIncreasing applications of ionizing radiation in medical and industrial processes indicate a growing demand for effective radiation shielding materials that are non-toxic and recyclable. Specific radiation–resistant, lead-free, lightweight shielding materials are required to protect personnel and patients against medical radiation since lead toxicity poses significant environmental and health risks
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Assessment of various polymer materials for enhanced radiation protection in X-ray imaging modalities: A comprehensive Monte Carlo simulation study Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-08
Sofiene MansouriRadiation protection is essential in X-ray imaging modalities to mitigate the potential health risks associated with exposure to ionizing radiation. This study, for the first time, focuses on evaluating the effects of 28 different pragmatic polymers used in polymer-based nanocomposites for radiation shielding in X-ray imaging. Using a Monte Carlo (MC) simulation-based approach, the shielding performance
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Computational evaluation of a two-source neutron irradiator for low-flux neutron activation applications Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-07
Jayms S. Sagana, Emerald G. Ramos, Cheri Anne M. Dingle, Alvie Asuncion-AstronomoThe viability of a neutron irradiator facility (NIF) with two legacy plutonium-239 beryllium (239PuBe) neutron sources that are housed polyethylene moderator blocks was evaluated for neutron activation analysis (NAA) applications using Particle and Heavy Ion Transport Code System (PHITS) simulation. Calculations show that the NIF design with 6 cm thick irradiator volume provides the optimal thermal
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TeO2: As a key component in improving radiation shielding of B2O3-based glass systems Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-07
M.I. Sayyed, Sabina Yasmin, M.R.I. Faruque, S. Abdullah, K.A. Mahmoud, M.U. KhandakerNew glasses with enhanced radiation shielding characteristics have potential applications in different fields requiring radiation protection. In the context of radiation shielding applications, this work aims to develop new lead-free B2O3–TeO2–Bi2O3–ZnO–CaO glass systems. A 15–30 mol% increase in TeO2 concentration results in a 4.070–4.498 g/cm3 density increase. The influence of increasing the TeO2
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Development of the low-dose radiotherapy machine for Osteoarthritis based on Monte Carlo simulation Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-07
Hyojun Park, Minjae Choi, Ju Yeol Shin, Jung-In Kim, Chang Heon ChoiThis study investigated the design of a machine for low-dose radiotherapy of knee osteoarthritis (OA), focusing on its maintenance efficiency and treatment effectiveness.
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Exploring software tools for comparative evaluation of radiation attenuation parameters in various drugs across gamma, electron, neutron, and ion radiations Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-07
N.A. Kotb, O.A. El-Kawy, A.M. AbdelmonemThis study investigates the radiation attenuation parameters for some commonly used pharmaceutical drugs like diazepam, ibutilide, levofloxacin, ibuprofen, ranitidine, and celecoxib, which are crucial for medical applications. Through computational analyses employing advanced software tools such as Phy-X/PSD, Py-MLBUF, GRASP, SRIM Monte Carlo, and ESTAR NIST, the mass attenuation coefficient, linear
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Monte Carlo modelling of a new sample-holder design for UV–Vis spectroscopy Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-07
R. Persiani, A. Agugliaro, S. Albergo, R. De Angelis, I. Di Bari, S. Millesoli, G. Saccà, A. Sciuto, A. TricomiSpectrophotometry is a well-established technique widely employed in chemistry, biology, medicine research, and industrial applications. It plays a crucial role in environmental testing, detecting pollutants in water and air. Many spectrometer models adopt a quartz cuvette. We investigated the replacement of the cuvette with a new sample holder coupled with SiliconPhotoMultiplier.
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Validation of ISO 4037 x-ray reference field following ICRU-95 operational quantities Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-05
Duc-Ky Bui, Ngoc-Quynh Nguyen, Ngoc-Thiem LeFor ISO 4037 x-ray matched reference fields, the radiometric quantities of the x-ray fields must be verified to apply the recommended conversion coefficients stated in ISO 4037-3. To ensure the proper applications, ISO 4037 x-ray reference fields must be validated following new operational quantities defined in the ICRU 95 report. For these reasons, in this work, the first and second half-value layers
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Analysis of non-coplanar dose reconstruction for evaluating pre-treatment quality assurance in stereotactic treatments Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-05
Sumanta Manna, Sanjib Gayen, Sonal VarshneyModern stereotactic radiosurgery (SRS) or stereotactic radiotherapy (SRT) treatments often combine coplanar and non-coplanar beams to enhance dose conformity. However, patient-specific quality assurance (PSQA) for non-coplanar setups remains challenging. During data acquisition in the phantom, couch angles associated with non-coplanar beams frequently collapse to 0°, irrespective of their intended
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Prompt gamma neutron activation analysis: A review of applications, design, analytics, challenges, and prospects Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-05
Marina R. Abdelnour, Juntao Liu, K. Hossny, A.M. Wajid, Wenxin Li, Zhiyi LiuPrompt gamma-ray neutron activation analysis (PGNAA) is a powerful, non-destructive technique widely used for multi-elemental analysis, valued for its rapid, on-site measurement capability and high sensitivity across diverse elements. Based on neutron capture reactions, PGNAA enables precise identification and quantification of elements by detecting characteristic prompt gamma emissions from neutron-captured
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Microscopic evaluation of nanoparticle dose enhancement by inverse Compton scattering source using Monte Carlo simulation Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-04
Zhan Shen, Hao Ding, Zhijun Chi, Qiao Li, Yingchao Du, Xiaoping Ouyang, Chuanxiang TangRadiotherapy with nanoparticles has been widely investigated, showing an energy dependence performance. A Compact radiotherapy facility providing energy-tuneable X-rays is highly demanded. Inverse Compton Scattering (ICS) sources can offer quasi-monochromatic and continuous energy-tuneable X-rays, enabling optimization of radiation enhancement effect for various nanomaterials. This study simulated
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Structural, optical and hydrophobic properties of single-crystal muscovite mica implanted with 500 keV Au+1 ions Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-04
Muhammad Sabbtain Abbas, Abid Mahmood, Naeema Naeem, Turab Ali AbbasThis study investigates the impact of 500 keV singly charged gold ion (Au+1) implantation in single-crystal muscovite mica, a material widely recognized for its diverse technological applications, particularly in radiation physics. By maintaining a constant incident ion energy of 500 keV, the study examines the effects of ion dose (ranging from 1012 to 1015 ions/cm2) on the structural, optical, and
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Synthesis, structural, and optical properties of lead-free Tm3+ ions doped zinc tellurite glass and Ho3+ ions doped zinc borophosphate glass for radiation shielding application Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-04
P. Vinothkumar, B. Yamini, S. Praveenkumar, A. Vincelet JobikhaTm3+-doped zinc tellurite (TeBSrZnNaMg: Tm) and Ho3+-doped borophosphate (BPAgMgLiZn: Ho) glasses were synthesized via the melt-quenching technique. X-ray diffraction confirmed their amorphous nature. FTIR analysis identified characteristic functional groups. Optical absorption spectra revealed the 3H6 → 3H5 transition of Tm3+ at 1100–1250 nm, which is significant for infrared applications, while the
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Natural radioactivity and radiological risks in some medicinal plants consumed in northern Nigeria Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-04
Hauwau Kulu Shuaibu, Usman Musa Kankara, Abdu Nasiru Muhammad, Muhammad Bello Gusau, Nuraddeen Nasiru Garba, Matthew Tikpangi Kolo, Mayeen Uddin KhandakerTraditional medicine using medicinal plants is an integral part of the culture and socio-economic well-being of people in northern Nigeria. Natural radioactivity is ubiquitous in all earth-born materials, including soil. The uptake of radionuclides by medicinal plants and the consumption of plants are the major pathways through which radionuclides find their way into the human body. Plant parts like
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Mapping the airborne distribution of caesium-137 in the Asia-Pacific region using data from the Comprehensive Nuclear Test-Ban Treaty Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-04
Azni Abdul Aziz, Ahmad Ibraheem Abu Bakar, Bashillah Baharuddin, Mohamad Syahiran MustaffaRecent global events, such as North Korea's nuclear tests and the Fukushima nuclear accident, have heightened concerns about the dispersion of radioactive materials into the atmosphere. This study maps the dispersion of airborne Cs-137 in the Asia-Pacific region, with a focus on its impact on the Malaysian environment. Cs-137 concentration data were collected from the Comprehensive Nuclear-Test-Ban
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Radiation impact on robot-relevant polymers for high gamma environments Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-03
Alice Cryer, Chris Smith, Henk Nolles, Gyula Zilahi, Ed Eardley, Emil Jonasson, John Jukes, Rob SkiltonPolymers offer a number of properties of interest in robotics design, from the well established such as low weight, electrical and thermal insulation, to the more novel, where their visco-elasticity is of great benefit in designing vine robots and flexible sensors. The more dangerous the environment, for example in cases where high radiation is present, the greater the need for robotic solutions to
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Chitosan-anchored graphene oxide nanosheets: Synthesis under γ-irradiation and antibacterial potential Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-03
Trang Minh Ngoc Cao, Thuy Thanh Thi Nguyen, Anh Phuong Thi Nguyen, Luong Thien Ly, Nhung Hong Nguyen, Phu Van Dang, Hien Quoc Nguyen, Khoa Dang Nguyen VoA biofunctionalized of graphene oxide (GO) nanosheet made via 60Co γ-ray irradiation leads to reinforce physicochemical properties and enhance antibacterial activity. Various weight ratios of GO to chitosan (CS) (1:1, 1:2, 1:5, 1:10 w/w) were investigated at irradiation dose (5, 15, and 30 kGy). Gamma irradiation exerts distinct effects on both CS and GO, with 15 kGy emerging as the most effective
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An enhanced gradient method of n/γ discrimination for the CLYC detectors Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-03
Liu Qian, Zhang Yuzhong, Zhou Hongzhao, Zhou Qianqian, Li Jinglun, Xiao Wuyun, Liu DahaiNeutron-gamma combined detection is widely used in various fields such as special nuclear material inspections, accelerator physics experiments and radiation protection. As neutrons are usually accompanied by γ rays, effective n/γ discrimination is required for accurate neutron detection. The calculation of PGA is straightforward. However, when measuring neutron and gamma using CLYC, the efficacy of
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Advances in cancer diagnosis and treatment: A review of CONVERAY and COXIRIS radiation technologies - Current state and future directions Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-03
Rodolfo G. Figueroa rodolfo.figueroa@ufrontera.cl, Mauro Valente maurovalente@gmail.com∗, Jaime Guarda, Natalia Villar, Joan Sagardia, Adlin López, Francisco Malano, Manuel Cerna, Jorge Leiva, Bryan CasanelliThis short review showcases two innovative technological advances, culminating in more than a decade of research into advanced oncology devices: CONVERAY and COXIRIS. In this context, it is essential to evaluate how these technologies can optimize performance in specific applications. CONVERAY is a convergent beam radiotherapy system, adaptable to linear particle accelerators (LINACs), designed to
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Safe radiation dose of portable X-ray radiography determined using optically stimulated luminescence dosimeters Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-02
Chieh-Chi Yen, Tian-yu Shih, Yun-Chen Lyu, Wen-Chuan Chang, Cheng-Hsun LinIn order to reduce the risk of cross-infection and round-trip transportation, portable X-ray machines are often used for patients in critical care or isolation wards, and chest X-rays are performed most frequently. In this study, the Optically Stimulated Luminescence Dosimeter (OSLD) was used to evaluate the Entrance surface dose (ESD) and organ dose when the patient performed a mobile chest X-ray
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The use of low-energy particle-induced X-ray emission for evaluation of colloidal silver nanoparticles in aqueous solution Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-02
Huy Le Viet, Hiroyuki Miyamaru, Hung Nguyen QuangQuantification of metallic nanoparticles using optical absorption spectroscopy necessitates extinction coefficient data that account for particle morphology. In this study, the particle-induced X-ray emission (PIXE) with a low-energy (940 keV) proton beam was employed as a fast, sensitive, and versatile tool to examine the trace concentration of silver nanoparticles yielded from the gamma radiolysis
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Metrological Characterization of Multi-walled carbon nanotubes and Reduced graphene oxide nanostructures and their effects on ageing of NBR seal as reference material by gamma radiation Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-02
M.H. Sanad, H.M. Eyssa, Soma A. El MogyAcrylonitrile-butadiene rubber (NBR) seals are indeed utilized in nuclear environments. However, these NBR seals can experience radiation-induced damage when exposed to high levels of ionizing radiation. This deterioration may lead to a decrease in their ability to seal effectively as time goes on. This study concentrated on creating and analyzing reduced graphene oxide (rGO) nanoparticles to improve
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Radiological and elemental analysis of indoor tiles in Malaysia: Implications for public health Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-02
Azlina Baha, S. Hashim, M.S.M. Sanusi, Halmat J. Hassan, Engku Mohd Fahmi Engku ChikBuilding materials, containing NORM, are widely available, and their radiation levels and doses vary depending on the geological origin of the materials. This study examines the activity concentrations of the 238U, 232Th, and 40K radionuclides and their associated radiological hazards in 30 indoor tile products commonly used in Malaysia, using HPGe gamma spectroscopy. These samples include glazed and
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Investigation of the effects of PbO compounds doped in nano sizes to ordinary concrete on radiation protection using Monte Carlo simulation Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-02
Tuğba Manici, Namık Akçay, Gökhan Algün, Hasan Özdoğan, Bayram DemirOrdinary concrete (OC) is the most fundamental building material used in radiation areas, and it is known that increasing the thickness of concrete is effectively used for radiation protection. By adding different minerals or compounds into ordinary concrete, it is possible to transform it into a more effective radiation protection shield by increasing the density and thus linear attenuation coefficient
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New measurements on neutron-induced activation towards an innovative approach for controlled interferences in neutron activation analysis Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-02
V. Blideanu, C. Besnard-Vauterin, K. Al Khouri, B. Rapp, W. Bennaceur, N. SkukanNeutron Activation Analysis (NAA) is a widely utilized technique for precise elemental quantification across diverse fields such as geology, materials science, and archaeology. Despite its high sensitivity and specificity, NAA is often hindered by interferences arising from competing nuclear reactions in mixed thermal/fast neutron fields. Thermal neutrons predominantly produce radioactive nuclei through
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Analysis of alpha decay half-life by varying the diffuseness parameter Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-02
Z. Rashidpour, D. NaderiUsing the Wentzel−Kramers− Brillouin (WKB) approximation and a semi-analytic approach for the barrier penetration probability, we extracted empirical diffuseness parameters based on the experimental alpha decay half-lives of 484 nuclei. We then purposed, an analytical relationship for the diffuseness parameters by fitting the empirical values. This formula depends on the number of neutrons and protons
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Radiological assessment of building materials containing radionuclide substances in Muria peninsula, Indonesia Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-02
A. Wijayanto, S. Hashim, RatikoThe majority of people spend close to 90% of their lives indoors, where they are significantly affected by the inherent radioactivity emitted by walls, floors, and ceilings. In Indonesia, common construction materials such as sand, cement, lightweight bricks, and bricks contain Naturally Occurring Radioactive Materials (NORM) sourced from soil and rocks. This radiation exposure significantly risks
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Radiation safety evaluation method of negative ion indoor finishing materials Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-04-02
Ye Zhang, Xiongjie Zhang, Xingyu Tian, shumin ZhouIncreasing the concentration of negative ions in the living space could improve the comfort of life, but there are currently insufficient evaluation methods for the radiation safety of negative ion indoor finishing materials.This paper presents a method for calculating the average surface exhalation rate of 220Rn gas in indoor finishing materials containing 232Th. Additionally, it evaluates the possible
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Improving the energy resolution of a ThGEM detector by incorporating an additional electrode composed of a metallised track-etched membrane Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-03-31
I.A. Zur, Y.Y. Shmanay, A.A. Kharchnka, A.K. Fedotov, A.S. Fedotov, N.A. Kazimirov, J.A. Fedotova, S.A. MovchanThe efficiency of a metallised track-etched membrane (MTEM) as an additional electrode for a ThGEM detector with resistive DLC coating of anode has been demonstrated in this study. The grounded membrane placed in the induction gap of the ThGEM detector completely shields the induction signal from the ion cloud on the collector electrode and is opaque to the electron flow. The MTEM with a positive applied
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A novel calibration technique for silicon semiconductor Rn detectors by using radioactive decay method Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-03-28
Chun-Chih Lin, Shih-Jung Lin, Huan-Ching Huang, Zi-Yi Yang, Neng-Chuan Tien, Chin-Wei Wu, Chun-Liang Yeh, Ching-Yi Chen, Chien-Yi TingAn innovative calibration method was developed for radon detectors by multipoint regression in this study investigated with two semiconductor radon detectors (the RAD-7 and MR107+), an external 226Ra standard source and a sealed stainless drum of radon chamber. Initial theoretical concentration of the standard source corrected by leakage rate was used to build up a decay curve over a 789-h period of
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Assessment of occupational dose in operating room procedures Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-03-28
M. Alkhorayef, H. Salah, Omer Mahgoub, D.A. Bradley, A. SuliemanThe annual effective dose for occupational dose is restricted to 20.0 mSv/y to prevent threshold effect and to reduce the likelihood of radiation-induced cancer. Medical staff team is occupationally exposed to ionizing radiation during manipulation the procedures at the operating room (OR). Recent reports showed that some personnel received a high annual occupational dose beyond the annual limits,
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Ag concentration dependence of the radiophotoluminescence properties in Ag-doped Na–Al borate glasses Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-03-28
Hiroki Kawamoto, Yutaka Fujimoto, Keisuke AsaiRadiophotoluminescence (RPL) is the phenomenon of emission from luminescence centers formed by ionizing radiation and is utilized as the principle of luminescent-type dosimeters. In this study, we investigated the Ag concentration dependence of the RPL properties of Ag-doped Na–Al borate glass to find optimal Ag concentration for dosimeter application. In all samples, a broad emission band peaking
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Fabrication of low-cost heterogeneous anthropomorphic thyroid neck phantom for CT Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-03-28
Obaidullah Ehtesham Akbar, Kamran Hameed, Hussain Jaffar, Mauth Yousef, Maryam Al HashimThis article details the creation of a low-cost, heterogeneous anthropomorphic neck phantom with thyroid carcinoma for CT imaging. The phantom was designed to enable academic researchers and imaging system manufacturers to test and calibrate imaging machines and calculate dosimetry using thermoluminescent dosimeters in the neck and thyroid region. It was constructed using tissue-mimicking materials
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Open-source hardware and cost-effective gamma-ray spectrometer using Raspberry Pi Pico Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-03-28
D.A.B. Bonifacio, U.B. Rodríguez, J. Alcántara-Núñez, A.D. dos Santos, D.V.S. Carvalho, H.M. Murata, M.B. Perotoni, M. Moralles, M. RosezkyThis work presents the development and evaluation of the OpenGamma spectrometer, an open-source, compact and cost-effective gamma-ray detection system built on a Raspberry Pi Pico board. Data acquisition was performed using a GAGG scintillation crystal coupled with a Silicon Photomultiplier (SiPM). The background count rate was 5.24 counts per second. The system was evaluated with standard radioactive
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Enhanced ionizing radiation shielding using zinc oxide nanorods thin film doped with bismuth nitrate and polyethylene oxide Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-03-27
Mohamed Abdulsattar Al-Balushi, S.F. Abdul Sani, Hairul Anuar Tajuddin, A. Taheri, Jeannie Hsiu Ding Wong, Naser M. Ahmed, Shameer HishamThe increasing demand for lightweight, eco-friendly, and non-toxic radiation shielding materials has driven significant research into alternatives to conventional shielding solutions. This study focuses on the development of zinc oxide nanorods thin films (ZnONRs-TFs) as a potential candidate for X-ray radiation protection. The films, synthesized via the chemical bath deposition (CBD) technique, were
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Scanning protocol influence on relative electron Density-CT number calibrations and radiotherapy dose calculation for a Halcyon Linac Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-03-27
Duong Thanh Tai, Pham Nhu Tuyen, Hoang Duc Tuan, Hoang T.P. Hung, Recep Kandemir, Hiba Omer, Abdelmoneim Sulieman, David Bradley, James C.L. ChowTissue Relative Electron Density (RED), typically determined via computation of CT-based Hounsfield unit (HU) values, has an accuracy which is affected by the choice of CT scanning parameters. The influence of these on the RED-CT number calibration curves is of importance, not least concerning variations in CT x-ray tube voltage and current. The purpose of this study was to examine the effect of variations
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Assessment of radiation hazards linked to lo-salt consumption in Kurdistan Region-Iraq Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-03-27
Halmat J. HassanThe current study involves 35 salt samples, including naturally occurring radioactive material (NORM) and its potential impact on public health. In Kurdistan-Iraq, retail outlets offer samples of both local and imported products. Samples consist of iodized salt, Himalayan pink salt (pink rock salt), lo-salt (less sodium salt), and sea salt. Assessment is conducted about the radiological risk associated
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Enhanced photocatalytic ability of CuO/Ni-doped TiO2 nanocomposite under visible light: Theory and experiment Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-03-27
Atipong Bootchanont, Sorravich Samerchue, Chanapong Sipae, Huali Zhao, Russameeruk Noonuruk, Porramain Porjai, Wutthikrai Busayaporn, Tirapat Wechprasit, Thanaphon Kansaard, Wisanu Pecharapa, Voranuch Thongpool, Chakkaphan Wattanawikkam, Wutthigrai SailuamCuO/Ni-doped TiO2 composite photocatalysts were synthesized using a co-precipitation method as the composite of Ni-doped TiO2 (Ni–TiO2) with 0.5, 1.0, and 1.5 mol% of CuO. Composites with different CuO/Ni–TiO2 ratios were studied to assess the influence of Ni and CuO on the crystal and local structure by X-ray diffraction (XRD) and X-ray absorption (XAS). The energy bandgap is investigated by UV–visible
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Inherent role of density on the gamma ray attenuation characteristics of red mud based shield Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-03-27
Rahul Arya, Rini Paulose, Abhijit Bijanu, Varsha Agrawal, Rahitashya Shil, Deepti Mishra, Kaushik Banerjee, Sujoy Chatterjee, Sarmishtha Bhattacharyya, Abhay Bhisikar, Paparao Mondi, Upendra Singh, Jyoti Pendam, Shabi Thankaraj SalammalHigh-energy radiation shielding materials are vital for protecting against radiation hazards. Both the atomic number and density of the shield plays a prominent role in attenuating high-energy photons. This study reports the inherent role of density on the gamma ray attenuation characteristics of the shields. The radiation shields with various densities between 2.12 to 5.23 g/cm3 were fabricated by
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Study and considerations on the determination of attenuation curves in concrete for radiotherapy beams Radiat. Phys. Chem. (IF 2.8) Pub Date : 2025-03-27
J.O. Páez, W. Rodriguez, D. CanoThis study addresses the reliance on outdated Tenth Value Layer (TVL) data for radiotherapy beams in concrete, which results in inconsistencies in reported values. Attenuation curves were determined for various radiotherapy accelerator spectra below 10 MV in concrete. The aim is to provide more accurate data with approximately 1% statistical uncertainty, thereby correcting the reliance on outdated