Tıbbi Görüntüleme Teknikleri Programı / Medical Imaging Techniques Program: Recent submissions
Now showing items 1-20 of 52
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Estimations for (n,a) reaction cross sections at around 14.5MeV using Levenberg-Marquardt algorithm-based artificial neural network
(Elsevier, 2023)Prediction of neutron-induced reaction cross-sections at around the 14.5 MeV neutron energy is crucial to calculate nuclear transmutation rates, nuclear heating, and radiation damage from gas formation in fusion reactor ... -
Assessment of neutron and gamma-ray shielding characteristics in ternary composites: experimental analysis and Monte Carlo simulations
(Elsevier, 2024-06)The research aims to exploring the gamma-ray shielding capacities of polyacrylonitrile/chrome-filled polymer composites through a combination of experimental, theoretical and simulation methods. Additionally, employing ... -
Mass attenuation coefficient, stopping power, and penetrating distance calculations via Monte Carlo simulations for cell membranes
(Elsevier, 2023)The Monte Carlo (MC) method is a computer simulation that is widely used in different disciplines including physics, biology, biophysics, medical imaging, biomedical engineering, etc. In addition, MC method is often ... -
209Bi izotopunun (p,xn), (p,xp), (p,xd) ve (p,xt) reaksiyonlarının teorik nükleer modeller ile incelenmesi
(2023)Nükleer fizik alanındaki gelişmeler; arkeoloji, jeoloji, mühendislik, astrofizik, kozmoloji, kimya, biyoloji, tıp gibi bilim dallarını da etkilemektedir. Nükleer reaksiyon mekanizmalarını anlamak, reaksiyon modelleri ... -
Neural network predictions of (α, n) reaction cross sections at 18.5±3 MeV using the Levenberg-Marquardt algorithm
(Elsevier, 2024)In recent developments, artificial neural networks (ANNs) have demonstrated their capability to predict reaction cross-sections based on experimental data. Specifically, for predicting (a,n) reaction cross-sections, we ... -
Influence of Nd2O3 on radiation shielding and elastic properties of TeO2–MgO–Na2O glasses: a simulation study by PHITS and MCNP
(2023)This study investigates the elastic properties and the photon and neutron shielding properties of TeO2–MgO–Na2O–Nd2O3 glasses, as well as the mass stopping power and projected range of alpha and proton charged particles ... -
Gamma, charged particle and neutron radiation shielding capacities of ternary composites having polyester/barite/tungsten boride
(Radiation Physics and Chemistry, 2023)The presented work investigates the photon, charged particle and neutron radiation shielding performances of polyester-based composites filled with barite and/or tungsten boride by using experimental, theoretical, and Monte ... -
Production cross-section calculations of some strontium isotopes via (p,x) reactions on natural abundance rubidium using different level density models
(Radiochimica Acta, 2023)The cross-section, a measure of the probability that a nuclear reaction will occur, needs to be calculated properly. The level density model used in the computations is one of several factors which may affect the theoretical ... -
Calculation of double differential neutron cross-sections of 56Fe and 90Zr isotopes
(Applied Radiation and Isotopes, 2023)This study is concerned with the calculations of double differential neutron cross-sections of the structural fusion materials of 56Fe and 90Zr isotopes that are bombarded with protons. Calculations were performed using ... -
Estimations for the production cross sections of medical 61, 64, 67Cu radioisotopes by using bayesian regularized artificial neural networks in (p, α) reactions
(Arabian Journal of Science and Engineering, 2023)Copper (Cu), which is produced in cyclotrons or reactors, is a significant tracer in the human body. Bayesian regularized artificial neural networks (ANNs) algorithm, which is one of the ANN approaches, was used in analyzing ... -
A study on the cross-section data of 43,44m,46,47Sc isotopes via (d,x) reactions on natural abundance targets under the effects of deuteron optical models
(Applied Radiation and Isotopes, 2023)Many studies have investigated the influence of theoretical models and factors involved in the acquisition of cross-section data of a nuclear reaction. The implications of different models of various variables such as level ... -
Estimating currents from action potentials using single and multi-output neural network models
(Second International Congress on Biological and Health Sciences, 2022)Ion channels are water-filled pores formed by membrane proteins abundant in excitable cells' plasma membranes. Ion channels are responsible for converting signals into biological responses. They are primarily engaged in ... -
Estimations of (n,alpha) reaction cross sections using bayesian classsifier
(XV. International Conference on Nuclear Structure Properties, 2022) -
Ameliyat esnasında kemik dokularının kontrollü parçalanması için otomatik panç tasarımı
(1507- Tübitak Kobi Ar-ge Projeleri, 2022) -
An investigation on production routes of 230U radioisotope used in targeted alpha therapy by different level density models
(Moscow University Physics Bulletin, 2022)Targeted alpha therapy (TAT) is an attractive therapeutic option in patients with multiple micrometastases. It offers many advantages, including easy administration, the ability to treat multiple lesions simultaneously and ... -
Investigation of the production routes of Palladium-103 and Iodine-125 radioisotopes
(Radiation Physics and Chemistry, 2023)The most commonly used radioisotopes are Palladium-103 (103Pd) and Iodine-125 (125I) for interstitial application in brachytherapy. In the present study, different production routes of 103Pd and 125I have been investigated. ... -
Effects of deuteron optical model potentials on the production cross-section calculations of 66-68Ga 66 - 68Ga from natZn and natGe
(Modern Physics Letters A, 2022)Since it was reported that several radioisotopes might be advantageous for different medical uses in diagnostics and therapeutics, they have gained significance. Theoretical and experimental researches on such radioisotopes ... -
Comparison of Monte Carlo simulations and theoretical calculations of nuclear shielding characteristics of various borate glasses including Bi, V, Fe, and Cd
(Applied Radiation and Isotopes, 2022)The aim of this study is to evaluate both buildup factors and photon attenuation effectiveness of some borate glasses doped by Cd, Fe, V, and Bi. The mass attenuation coefficients (μm) of these glass systems have ... -
Photonuclear reaction cross-sections of sn isotopes
(XV. International Conference on Nuclear Structure Properties, 2022) -
Calculations of GDR parameters for deformed nuclei using LogitBoost classifier and artificial neural network
(Modern Physics Letters A, 2022)Photo-nuclear interactions are important for investigating fundamental nuclear physics phenomena. The photo-absorption cross-section energy curve displays a wide resonance called giant dipole resonance (GDR) until 30 MeV. ...
