Showing 141 - 160 results of 175 for search '"radionuclide"', query time: 0.05s Refine Results
  1. 141

    Long-term consequences of the Chornobyl disaster for aquatic ecosystems: A retrospective analysis and prognosis by R. Makhinko

    Published 2024-12-01
    “…The dynamics of concentrations of basic radionuclides 137Cs, 90Sr, and 241Am in components of aquatic ecosystems, migration processes of radionuclides in the aquatic environment, and their bioaccumulation in organisms of various trophic levels was investigated. …”
    Get full text
    Article
  2. 142

    The Transformation and Leachability of Fly Ash/Cement Waste Forms Subjected to the Simultaneous Effect of Heat and Chemistry by Zhao Zheng, Hua Wen, Yuxiang Li, Min Qin, Yao Wang

    Published 2022-01-01
    “…However, the migration behavior of radionuclides in fly ash/cement waste forms under geological environment is still unclear. …”
    Get full text
    Article
  3. 143

    Cherenkov radiation energy transfer from [18F]-fluorodeoxyglucose to subphthalocyanine fluorophores by Lioret, Vivian, Decréau, Richard A.

    Published 2024-11-01
    “…Cherenkov radiation (CR) is an optical light that is emitted during the decay of beta-particle-emitting radionuclides, such as 18F, which is present in [18F]-fluorodeoxyglucose, a well-known tracer used in positron emission tomography. …”
    Get full text
    Article
  4. 144

    Evaluation and assessments of efficiency calibration and resolution of an alpha spectrometry system using standard sources by Satyanarayan Bramha, S. Chandrasekaran

    Published 2024-11-01
    “…Studies and evaluations of the detector characteristics of a high-resolution multichamber alpha spectrometer and its calibration using certified mixed standard sources of 239Pu, 241Am, and 244Cm for measuring alpha-emitting radionuclides dedicated to environmental samples. The efficiency and resolution were evaluated for each potential distance between the source and the detector across all four solid-state ORTEC-ULTRA AS detectors. …”
    Get full text
    Article
  5. 145

    Radioimmunotherapy: A Specific Treatment Protocol for Cancer by Cytotoxic Radioisotopes Conjugated to Antibodies by Hidekazu Kawashima

    Published 2014-01-01
    “…Radioimmunotherapy (RIT) represents a selective internal radiation therapy, that is, the use of radionuclides conjugated to tumor-directed monoclonal antibodies (including those fragments) or peptides. …”
    Get full text
    Article
  6. 146

    CONTRIBUTION TO THE GEOCHEMICAL STUDY OF KANZI AND MVUANGU PHOSPHATE ROCKS IN THE LEMBA OIL SUB-BASIN OF CENTRAL CONGO by Deko Oyema Bruno, Emmanuel Kazinguvu Atibu, Dan Mandjumba Yenor, Dominique Wetshondo Osomba, Loma Wonga Mathias, John Pote Wembonyama

    Published 2024-07-01
    “…The origin of these metallic elements, including heavy metals, rare earths and radionuclides, is phosphate. Phosphate rocks, such as apatite, may contain heavy metals, rare earths and radionuclides in their mineral structure. …”
    Get full text
    Article
  7. 147

    Radiation Dose Calculations for a Hypothetical Accident in Xianning Nuclear Power Plant by Bo Cao, Junxiao Zheng, Yixue Chen

    Published 2016-01-01
    “…It is still far below the annual regulatory limits of 1 mSv for the public as set in IAEA Safety Report Series number 115. The released radionuclides might be transported to long distances but will not have any harmful effect on the public.…”
    Get full text
    Article
  8. 148

    Removal of Radioactive Iodide by Surfactant-Modified Zeolites by Hossein Faghihian, Akbar Malekpour, Mohammad G. Maragheh

    Published 2003-05-01
    “…The removal of radionuclides such as 129 I and 131 I from radioactive liquid wastes was studied. …”
    Get full text
    Article
  9. 149

    Perfluorocarbon Nanoparticles: Evolution of a Multimodality and Multifunctional Imaging Agent by Patrick M. Winter

    Published 2014-01-01
    “…The surface can also carry a high payload of imaging agents, ranging from paramagnetic metals for MRI, radionuclides for nuclear imaging, iodine for CT, and florescent tags for histology, allowing high sensitivity mapping of cellular receptors that may be expressed at very low levels in the body. …”
    Get full text
    Article
  10. 150

    Elemental Analysis and Natural Radioactivity Levels of Clay by Gamma Ray Spectrometer and Instrumental Neutron Activation Analysis by W. R. Alharbi, A. El-Taher

    Published 2016-01-01
    “…The concentrations of natural radionuclides 232Th, 226Ra, and 40K were also calculated. …”
    Get full text
    Article
  11. 151

    Development of simplified treatment methods for removal of Ra-226 and Ra-228 from sludge waste produced in natural gas processing plants by Ayman M. Sharaf, M.A. El-Nahal, Islam M. Nabil, I.H. Saleh, Mohamed Elsafi

    Published 2025-02-01
    “…The present study aims to establish a new treatment method for removing or reducing the concentration of 226Ra and 228Ra in sludge waste produced due to natural gas production at natural gas processing Plants. The main radionuclides present in sludge waste of natural gas processing are Radium and its daughters due to their low solubility in the water they can form compounds with sulfate ions, carbonate ions, silicate ions, then precipitation scale or sludge. …”
    Get full text
    Article
  12. 152

    Research Progress in Separation of 99Mo by Jingyan ZHAO, Weidian WANG, Jixin LIANG, Yuxuan WU, Yijia SHEN

    Published 2025-02-01
    “…As the parent nuclide of 99mTc,99Mo plays an important role for diagnosis in modern nuclear medicine.Fission products from uranium targets irradiated in nuclear reactors,besides 99Mo,a large amount of other radionuclides are produced during this process. Therefore,the highly efficient separation and purification for 99Mo from complex fission products has always been a major challenge. …”
    Get full text
    Article
  13. 153

    Tracing ancient solar cycles with tree rings and radiocarbon in the first millennium BCE by Nicolas Brehm, Charlotte L. Pearson, Marcus Christl, Alex Bayliss, Kurt Nicolussi, Thomas Pichler, David Brown, Lukas Wacker

    Published 2025-01-01
    “…To extend this timeline, cosmic ray-produced radionuclides like 14C in tree-rings provide invaluable insights. …”
    Get full text
    Article
  14. 154

    Enhanced formula-based method to estimate burnup, initial enrichment, and cooling time using limited gamma-ray source data of reference PWR spent nuclear fuel assemblies by Sang Hyeok Lee, Jae Hak Cheong

    Published 2025-02-01
    “…Database (DB) of gamma-ray sources for PWR SNF was generated using ORIGAMI. Target gamma radionuclides were selected based on the ease and credibility of measurement. …”
    Get full text
    Article
  15. 155

    Source Term Analysis of the Irradiated Graphite in the Core of HTR-10 by Xuegang Liu, Xin Huang, Feng Xie, Fuming Jia, Xiaogui Feng, Hong Li

    Published 2017-01-01
    “…One distinct difference between HTGR and traditional pressurized water reactor (PWR) is the large inventory of graphite in the core acting as reflector, moderator, or structure materials. Some radionuclides will be generated in graphite during the period of irradiation, which play significant roles in reactor safety, environmental release, waste disposal, and so forth. …”
    Get full text
    Article
  16. 156

    Radiological characterization of water of rivers and lakes in the Mounana region in South-Eastern Gabon by Sylvere Yannick Loemba Mouandza, Philippe Ondo Meye, Wilfried Ndong, Beaud Conrad Mabika Ndjembidouma, Evaldie-Dominique Durastanti-Rabenga Mombo, Thierry Blanchard Ekogo, Germain Hubert Ben-Bolie

    Published 2024-11-01
    “…The aim of this study, which is one of the few studies undertaken in this region in Gabon, was to determine the radioactivity levels in various lakes and rivers in the Mounana region by measuring the activity concentrations of alpha- and beta-emitter radionuclides. For this purpose, gross alpha (α)-beta (β) counting was carried out using a Canberra Tenelec Gas flow counter detector. …”
    Get full text
    Article
  17. 157

    Assessment of soil properties in technogenically disturbed lands of Kemerovo Oblast – Kuzbass by Maria Osintseva

    Published 2023-11-01
    “…No exceedances are detected for pesticides and radionuclides. The results demonstrate weak enzymatic (cellulolytic, catalase, dehydrogenase, urease, phosphatase, invertase, and soil respiration) and catalytic activity of the soils. …”
    Get full text
    Article
  18. 158

    Intraoperative Imaging of Positron Emission Tomographic Radiotracers Using Cerenkov Luminescence Emissions by Jason P. Holland, Guillaume Normand, Alessandro Ruggiero, Jason S. Lewis, Jan Grimm

    Published 2011-05-01
    “…It is now well established that the inherent optical emissions (Cerenkov radiation) from various β-emitting radionuclides can be visualized by Cerenkov luminescence imaging (CLI). …”
    Get full text
    Article
  19. 159

    Study on the detection efficiencies of liquid 99Tcm, 131I, and 18F in a well-type NaI(Tl) gamma spectrometer by Jiayu Liu, Xiaojun Lu, Chao Zhao

    Published 2025-02-01
    “…The simulated detection efficiencies were highly consistent with the experimental results, with a largest relative deviation of 5% for the 3 radionuclides and 4 different sample volumes. Conclusion: The consistent results between the calibration experiments and Monte Carlo simulations reveal that this measuring device possesses high detection efficiencies of 99Tcm, 131I, and 18F, making it suitable for measuring low-level activity radioactive liquids, such as radioactive waste liquids to be discharged.…”
    Get full text
    Article
  20. 160

    Radiochemical Studies on the Separation of Cesium, Cobalt, and Europium from Aqueous Solutions Using Zirconium Selenomolybdate Sorbent by H. El-Said

    Published 2013-01-01
    “…A mixture of the three radionuclides (1×10−2 M each) in 140 mL of 1×10−2 M HNO3 solution was passed through 1 g zirconium selenomolybdate chromatographic column. …”
    Get full text
    Article