Results 1 to 10 of about 193,768 (263)
Brazilian Journal of Radiation Sciences, 2022 The aim of the study was to determine the activity concentration of the natural radionuclides (226Ra, 210Po, 228Ra and 40K) and artificial radionuclide 137Cs in the muscle of the marine fish species most consumed in the city of São Paulo and to evaluate ...
Andressa Nery +3 more
doaj +1 more source
Membranes, 2021 This contribution describes the fabrication of plutonium-adsorptive membranes by non-solvent induced phase separation. The dope solution comprised poly(vinylidene fluoride) (PVDF) and a Pu-extractive copolymer additive of PVDF-g-poly(ethylene glycol ...
James C. Foster +2 more
doaj +1 more source
Radiation Protection and Environment, 2020 Identification and assessment of the isotopic composition of confiscated uranium are of very much concern when it enters the public domain. This paper describes the methodology used for the estimation of 235U and 234U concentration in five uranium ...
Amar Dutt Pant +3 more
doaj +1 more source
Brazilian Journal of Radiation Sciences, 2022 In this work, the insensitive layer thickness of a PIN photodiode (SFH206K - Osram) has been measured by varying the incident angle of a collimated monoenergetic alpha particle beam.
Josemary A. C. Gonçalves +3 more
doaj +1 more source
Determination of uranium isotope concentrations in precipitation in the vicinity of lignite-fired power plants [PDF]
Nuclear Technology and Radiation Protection, 2011 Coal- and lignite-fired power plants produce significant amounts of fly ash, which in many cases contains high concentrations of naturally occurring radionuclides such as 238U.
Papadopoulos Nick K. +3 more
doaj +1 more source
Uranium and radium in water samples around the Nikola Tesla B lignite-fired power plant - Obrenovac, Serbia [PDF]
Nuclear Technology and Radiation Protection, 2011 This paper deals with the analysis of natural radionuclide content in 23 water samples collected in the vicinity of the Nikola Tesla B thermal power plant, Serbia.
Žunić Zora S. +11 more
doaj +1 more source
Low Background Radiation Detection Techniques and Mitigation of Radioactive Backgrounds
Frontiers in Physics, 2020 The study of rare fundamental physics phenomena, such as double-beta decay, rare nuclear decays and dark matter, requires very low levels of background radiation in order to observe a signal.
Matthias Laubenstein, Ian Lawson
doaj +1 more source
The Application of HPLC-FLD and NMR in the Monitoring of Therapy Efficacy in Alpha-Mannosidosis
Frontiers in Bioscience-Landmark, 2023 Background: Alpha-mannosidosis is a rare lysosomal storage disorder, caused by decreased activity of α-D-mannosidase. This enzyme is involved in the hydrolysis of mannosidic linkages in N-linked oligosaccharides. Due to the mannosidase defect, undigested
Maroš Krchňák +11 more
doaj +1 more source
Brazilian Journal of Radiation Sciences, 2020 This work refers to determination of thorium and uranium isotopes in the mining lixiviation liquor samples. The analytical procedure involves sample preparation steps for rare earth elements, thorium and uranium separation, besides alpha spectrometry ...
Aluisio Souza Reis +1 more
doaj +1 more source
Depleted uranium in the air during the cleanup operation at Cape Arza [PDF]
Journal of the Serbian Chemical Society, 2004 Cape Arza was contaminated with depleted uranium (DU) in the air strikes of NATO aeroplanes on May 30, 1999. The cleanup and decontamination of the site started in 2001. Here the results of air monitoring performed during the cleanup operations in Spring
Radenković Mirjana B. +3 more
doaj +1 more source