Results 31 to 40 of about 22,024 (165)

Radiolabeled Iron Oxide Nanoparticles as Dual Modality Contrast Agents in SPECT/MRI and PET/MRI

open access: yesNanomaterials, 2023
During the last decades, the utilization of imaging modalities such as single photon emission computed tomography (SPECT), positron emission tomography (PET), and magnetic resonance imaging (MRI) in every day clinical practice has enabled clinicians to ...
Maria-Argyro Karageorgou   +3 more
doaj   +1 more source

The Effect of Porosity Change in Bentonite Caused by Decay Heat on Radionuclide Transport through Buffer Material

open access: yesApplied Sciences, 2021
Bentonite is used as a buffer material in most high-level radioactive waste (HLW) repository designs. Smectite clay is the main mineral component of bentonite and plays a key role in controlling the buffer’s physical and chemical behaviors. Moreover, the
Suu-Yan Liang   +4 more
doaj   +1 more source

Innovative Development of Reactor-Produced Radionuclides and Radiopharmaceuticals

open access: yes中国工程科学
Radionuclides and radiopharmaceuticals produced by reactors are important components and main material foundations of the nuclear healthcare industry. Therefore, summarizing the current status of reactor-produced radionuclides and radiopharmaceuticals is
Peng Shuming   +6 more
doaj   +1 more source

Accumulation of artificial and natural radionuclides in hydrobionts of the Konoplyanka River (Kamianske City, Dnipropetrovsk region)

open access: yesRibogospodarsʹka Nauka Ukraïni
Purpose. To determine the radiation state of the ecosystem in the technologically modified Konoplyanka River in the area of ​​radioactive waste tailings dump and the mouth of the river (at the siteof confluence with the Zaporizhzhya (Dnipro) Reservoir ...
N. Hudym
doaj   +1 more source

Exploring New Frontiers in Marine Radioisotope Tracing – Adapting to New Opportunities and Challenges

open access: yesFrontiers in Marine Science, 2020
Radioisotopes have been used in earth and environmental sciences for over 150 years and provide unique tools to study environmental processes in great detail from a cellular level through to an oceanic basin scale.
Tom Cresswell   +8 more
doaj   +1 more source

137Cs content in European blueberry (Vaccinium Myrtillus L.) in forests of Ukrainian Polissia in different periods after the accident at ChNPP [PDF]

open access: yesЯдерна фізика та енергетика, 2018
It has been established that intensive penetration of 137Cs both into the above-ground part of phytomass and blueberry is continuing at present. The transition coefficients of 137Cs (m2kg-110-3) in the above-ground part of European blueberry (17 - 53 ...
V. P. Krasnov   +6 more
doaj  

Monitoring of natural radioactivity in manganese ore [PDF]

open access: yesЯдерна фізика та енергетика, 2009
The natural radionuclides (238U, 232Th, and 40K) contents of Manganese ore collected by Sinai Manganese Company in Egypt-Cairo have been determined by low background spectroscopy using hyper-pure germanium (HPGe) detector.
H. A. Abdel-Ghany
doaj  

Separation method for Pu, Am and Sr in large air filter sample sets

open access: yesMethodsX, 2020
A sequential separation method for Pu, Am, and Sr was applied for unusually large sample sets of air filters. The sample sets were combined weekly air filters covering sampling time from three months to five years, while in original method, the analyzed ...
Susanna Salminen-Paatero, Jussi Paatero
doaj   +1 more source

PECULIARITIES OF RADIOACTIVE CONTAMINATION OF THE FOREST ECOSYSTEM AFTER THE CHERNOBYL ACCIDENT

open access: yesРадиационная гигиена, 2017
Chernobyl accident has influenced greatly all spheres of life of the affected territories, changing the life-style of the local population. [1, 2]. Investigation of the radionuclides behavior in natural conditions becomes more and more important which is
K. V. Varfolomeeva
doaj  

Trace element and radiological characterisation of ash and soil at a legacy site in the former Raša coal-mining area

open access: yesArhiv za Higijenu Rada i Toksikologiju
Coal mined in the shut-down Raša mine in Istria, Croatia had a high organic sulphur content. What has remained of its local combustion is a coal and ash waste (legacy site) whose trace element and radionuclide composition in soil has enduring ...
Bituh Tomislav   +5 more
doaj   +1 more source

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