Browsing Tıbbi Görüntüleme Teknikleri Programı / Medical Imaging Techniques Program by Title
Now showing items 20-38 of 38
-
Investigation of level density and gama strength function for photoneutron reaction in medical linacs in beamline
(Applied Radiation and Isotopes, 2022)Photoneutron reaction cross-sections of 197Au, 187Re, 186W, 181Ta, 94,95,96,97,98,100Mo isotopes were calculated through the TALYS 1.95 nuclear reaction code. The energy range of the incident photon chosen as 7 MeV–30 MeV ... -
Investigation of the effects of different composite materials on neutron contamination caused by medical LINAC
(Kerntechnik, 2020)In a medical linear accelerator, the primary and secondary collimators are generally made of high atomic weight metals. The energy of the x-rays generated by accelerated electrons exceeds the bonding energies of high atomic ... -
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. ... -
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 ... -
An investigation on the effects of some theoretical models in the cross-section calculations of 50,52,53,54 Cr(α,x) reactions
(Physics of Atomic Nuclei, 2020)The probability of a nuclear reaction occurrence is defined as cross-section which can be ob- tained with the experimental studies or theoretical calculations. Theoretical calculations, in which various parameters and ... -
Level density model effects on the production cross-section calculations of some medical isotopes via (α, xn) reactions where x = 1–3
(Modern Physics Letters A, 2020)Level density models have an undeniable importance for a better perception on the na- ture of nuclear reactions, which influences our life via various ways. Many novel and advanced medical application use radioisotopes, ... -
Mamografi sistemlerinde ilgi alanı türev ve ince gruplama seçimlerinin modülasyon transfer fonksiyonunun üzerine etkileri
(Süleyman Demirel Üniversitesi Fen Edebiyat Fakültesi Fen Dergisi, 2020)Bu çalışmada, mamografi sisteminin görüntü kalitesi matematiksel yöntemler ile ölçülmüştür. Mamografi sistemlerinde performans ölçümleri için uygulanan yeni yöntemler, bu sistemlerin görüntü kalitesinin sayısal olarak ... -
Mass excess estimations using artificial neural networks
(Applied Radiation and Isotopes, 2022)Mass excess knowledge is important to investigate the fundamental properties of atomic nuclei. It is a meaningful and important parameter for the determinations of nucleon binding energy, nuclear reaction Q value, energy ... -
Medikal lineer hızlandırıcı kafasında yer alan düzleştirici filtredeki elementlerin foto-nötron tesir kesitinin incelenmesi
(18. Ulusal Medikal Fizik Kongresi, 2021)Radyoterapide kullanılan E > 8 MeV enerjili foton demetlerinin medikal lineer hızlandırıcı (LİNAK) kafasında ışın demeti yolunda yer alan düzleştirici filtrelerin içerdiği materyallerin çekirdeği ile gerçekleşen foto-nötron ... -
Photo-neutron cross-section calculations of 54,56Fe, 90,91,92,94Zr, 93Nb and 107Ag isotopes with newly obtained giant dipole resonance parameters
(Applied Radiation and Isotopes, 2020)The knowledge of the interaction of photons with matter is of vital importance to investigate fundamental nu- clear physics problems. Giant dipole resonance (GDR) mechanism is dominant up to 30 MeV at photo-absorption ... -
Photonuclear reaction cross-sections of sn isotopes
(XV. International Conference on Nuclear Structure Properties, 2022) -
A pilot study of ion current estimation by ANN from action potential waveforms
(Journal of Biological Physics, 2022)Experiments using conventional experimental approaches to capture the dynamics of ion channels are not always feasible, and even when possible and feasible, some can be timeconsuming. In this work, the ionic current–time ... -
Production cross-section and reaction yield calculations for 123-126I isotopes on 123Sb(α,xn) reactions
(Kuwait Journal of Science, 2021)Most of the radioisotopes used in the medical fields, like examination and treatment studies, were produced by employing nuclear reactions. Within the process of a nuclear reaction, one of the most important parameters is ... -
Production cross-section calculations of 111In via proton and alpha-induced nuclear reactions
(Modern Physics Letters A, 2021)111In , a known gamma emitter, is used for many medical purposes such as imaging of myocardial metastases. It can be produced by using different nuclear reactions. In this study, the reactions of 109Ag(𝛼,2n)111In, ... -
Radiation shielding properties of mortars containing heavyweight particles
(Kerntechnik, 2021)In this study, iron, steel and chromium waste heavyweight particles were replaced by calcerous sand with different percentages in volume and the radiation shielding properties of resulting mortar samples were investigated. ... -
A study on the calculations of cross–sections for 66,67ga and 75se radionuclides production reactions via 3he particles
(Eskişehir Technical University Journal of Science and Technology A - Applied Sciences and Engineering, 2020)The intend of this paper is to study on different production routes of medical 66,67Ga and 75Se radionuclides used in cancer diagnostic. Both 66,67Ga and 75Se are the most well-known radionuclides used in diagnostics of ... -
A study on the estimations of (n, t) reaction cross-sections at 14.5 MeV by using artificial neural network
(Modern Physics Letters A, 2021)In this paper, calculations of the (n,t) reaction cross-sections at 14.5 MeV have been presented by utilizing artificial neural network algorithms (ANNs). The systematics are based on the account for the non-equilibrium ... -
Sulfur dioxide derivative prevents the prolongation of action potential during the isoproterenol-induced hypertrophy of rat cardiomyocytes
(Anais da Academia Brasileira de Ciências, 2021)Exogenous SO2 is toxic especially to the pulmonary and cardiovascular system, similar to nitric-oxide, carbon-monoxide, and hydrogen-sulfide. Endogenous SO2 is produced in many cell types. The SO2 content of the rat heart ... -
Vascular segmentation in X-ray angiograms using frangi filter
(International Online Conferences on Engineering and Natural Sciences, 2021)X-ray angiography systems are essential method of diagnosis of coronary arteries from angiography images. Coronary angiography is known as the gold standard; for the evaluation of coronary artery disease. Nevertheless, ...
