Journal of Radioanalytical and Nuclear Chemistry 
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This is an RSS file. You can use it to subscribe to this data in your favourite RSS reader or to display this data on your own website or blog.The first German total diet study: Analytical techniques to identify natural radionuclides in food samples
AbstractBetween 2016 and 2021, Germany ’s first total diet study was performed to assess the variety of substances humans are exposed to by dietary intake. On a global scale rather unique, the natural radionuclides lead-210, uranium-234, uranium-238, radium-226, and radium-228 should be investigated in over 200 different food samples w ithin that study. This paper serves as a guide how to successfully determine these natural radionuclides in very low concentrations in a variety of samples. Two independent laboratories were involved for comparison to assure the quality of the presented sample pretreatment and analyzing te...
Source: Journal of Radioanalytical and Nuclear Chemistry - April 20, 2024 Category: Nuclear Medicine Source Type: research
Porous layered MOFs (Cu-BDC) for highly efficient uranyl-ion adsorption from aqueous solutions
This study synthesized a layered porous MOFs Cu-BDC by a simple solvothermal method, and the adsorption effect of materials on U(VI) were investigated by static adsorption experiments. The results show that the adsorption capacity of U(VI) reaches the maximum at 298.15 K pH = 6, with a maximum value of 1128.35 mg·g−1. Langmuir and Freundlich isotherm equations were used to fit the thermodynamic data, which were more consistent with Langmuir Isotherm model. Adsorption kinetics experiments show that Cu-BDC reaches adsorption equilibrium at 200 min, and the adsorption process is closer to the Pseudo-first-order ki...
Source: Journal of Radioanalytical and Nuclear Chemistry - April 20, 2024 Category: Nuclear Medicine Source Type: research
Speciation of uranium bis(trifluoromethylsulfonyl)imide in a room temperature ionic liquid
AbstractThe speciation of uranium bis(trifluoromethylsulfonyl)imide (TFSI) species formed from UI3(THF)4 in butyl-methylpiperidinium bis(trifluoromethylsulfonyl)imide ([BMPip][TFSI]) and [BMPip][TFSI]/HTFSI was investigated by X-ray absorption fine structure (XAFS) spectroscopy. Following the dissolution of UI3(THF)4 in the room temperature ionic liquid (RTIL), X-ray absorption near edge spectroscopy (XANES) indicates that U(III) did fully oxidize to U(VI) in [BMPip][TFSI] while a U(VI)/U(IV) mixture was obtained in [BMPip][TFSI]/HTFSI media. Extended X-ray absorption fine structure (EXAFS) results are consistent with the ...
Source: Journal of Radioanalytical and Nuclear Chemistry - April 20, 2024 Category: Nuclear Medicine Source Type: research
Proton-induced reactions for 47Sc (and 46Sc) production: new nuclear cross section measurements on enriched titanium targets
Abstract47Sc is a theranostic radionuclide under the spotlight of the scientific community thanks to its potential for SPECT imaging and therapeutic applications. This work presents the recent measurements of proton-induced nuclear reaction cross-sections aimed at47Sc production using enriched48Ti,49Ti and50Ti targets from 23 up to 70 MeV. Since the co-production of contaminant isotopes is a key issue, and46Sc is the main one having a longer half-life than47Sc, the48/49/50Ti(p,x)47Sc and46Sc cross sections are presented and compared with the scarce literature data and TALYS estimations. (Source: Journal of Radioanalytica...
Source: Journal of Radioanalytical and Nuclear Chemistry - April 18, 2024 Category: Nuclear Medicine Source Type: research
Potential of [99mTc] Tc-IONPs in SPECT: a systematic review on efficiency and accumulation rates
AbstractThe aim of this study is to compare the efficiency and accumulation of99mTc attached to iron oxide nanoparticles (IONPs) for use in the SPECT imaging. A comprehensive literature search identified 13 relevant studies, and the maximum absorbed dose per gram (ID/g) of [99mTc]Tc-IONPs in various organs at different time intervals was analyzed. The findings showed the distribution patterns of the compounds in each organ, emphasizing the significance of coating and nanoparticle size for optimal imaging results. By selecting the appropriate coating and nanoparticle size, imaging quality and accuracy can be improved. (Sour...
Source: Journal of Radioanalytical and Nuclear Chemistry - April 18, 2024 Category: Nuclear Medicine Source Type: research
Measurements of 232Th(n,2n) 231Th reaction cross-sections in the neutron energy of 12–18.5 MeV
AbstractAt the 3MV tandem accelerator of Sichuan University, monoenergetic neutrons were generated through the T(d,n)4He reaction by bombarding a Tritium –Titanium (T–Ti) target with a 2 MeV deuterium beam. The neutron activation method and offline gamma-ray spectroscopy were utilized to measure the cross sections of the232Th(n,2n)231Th reaction at neutron energies of 12.49 ± 0.33 MeV, 16.38 ± 0.60 MeV, and 18.10 ± 0.23 MeV. Factors such as neutron scattering, neutron flux fluctuation, cascade coincidence effects in gamma-ray measurements, and gamma-ray self-absorption were analytically corrected. T...
Source: Journal of Radioanalytical and Nuclear Chemistry - April 17, 2024 Category: Nuclear Medicine Source Type: research
Preparation and evaluation of 188Re-labeled octreotide analog in C6 glioma tumor
AbstractIn the present study, preparation of [188Re]Re-Tricine-HYNIC-Tyr3-octreotide, stability in human serum, internalization, cell viability analysis, and in vivo tissue biodistribution in rats bearing C6 glioma tumor were investigated. Radiolabeled peptide exhibited a molar activity of 8.60 ± 0.76 GBq/µmol, with over 90% (n = 3) of radiochemical yield. The findings indicated significant internalization of radiolabeled peptide into glioma cells and the ability to reduce cancerous cell viability in MTT analysis. High tumor-to-muscle ratios were observed at various time points following injection. The results ...
Source: Journal of Radioanalytical and Nuclear Chemistry - April 17, 2024 Category: Nuclear Medicine Source Type: research
UO22+ extraction and mechanism by diglycolamide extractants with different ether-oxygen chain skeletons
AbstractThe study of the structure and properties of extractants is of great significance for developing new extractants. For uranium extraction and recovery requirements in spent fuel reprocessing, three kinds of extractants with different ether-oxygen chains,N,N,N ’N’-tetraoctyl-3-oxapentanediamide (TODGA),N,N,N ’N’-tetraoctyl-3,6-dioxaoctanediamide (TODOODA) andN,N,N ’N’-tetraoctyl-3,6,9-trioxaundecanediamide (TOUDA) were synthesized to study the influence of the ether-oxygen chain skeleton on the extraction of uranium from nitrate media. TODOODA shows a good extraction ability for uranyl ions at high nitric...
Source: Journal of Radioanalytical and Nuclear Chemistry - April 16, 2024 Category: Nuclear Medicine Source Type: research
Influence of physico-chemical parameters on natural radionuclides in the coastal belt of Kollam district, South west coast of India
AbstractThe present investigation assessed the influence of physico-chemical parameters on natural radionuclides in the Kollam coastal belt which is a high background radiation region. The activity concentration of40K,226Ra, and232Th in sand samples has been measured using Flat type 5" × 5" NaI detector to assess the influence of physico —chemical parameters in natural radionuclides. The physico-chemical parameters such as moisture content, pH, electrical conductivity, organic matter content, and particle size distribution percentage (silt, clay, and sand) of sand samples were determined using standard pr...
Source: Journal of Radioanalytical and Nuclear Chemistry - April 16, 2024 Category: Nuclear Medicine Source Type: research
Facile fabrication of new bioadsorbents from Moringa oleifera and alginate for efficient removal of uranium(VI)
This article presents the first study on the use of alginate and moringa as an effective adsorbent for uranium treatment under various conditions. A new method of preparing adsorbents was used by addingMoringa oleifera seeds (MOS) to alginate through simple grafting. The resulting beads have a heterogeneous, sponge-like structure that is reversible. The adsorbents were tested for their ability to remove uranium ions from water and showed excellent efficiency with an adsorption capacity of 443.60 mg/g for alginate-PEI-MOS and 341.38 mg/g for alginate-Glu-MOS. Additionally, these adsorbents showed an interesting rate of s...
Source: Journal of Radioanalytical and Nuclear Chemistry - April 16, 2024 Category: Nuclear Medicine Source Type: research
Interrelation of EDXRF and comparator INAA to analyze REE mineral resources
AbstractJoint application of energy dispersive X-ray fluorescence analysis (EDXRF) and instrumental neutron activation analysis (INAA) was considered to determine the contents of sixteen rare earths elements (REE) in the corresponding mineral resources. K series of the majority of REEs was excited by the bremsstrahlung of the X-ray tube operating at accelerating voltage 70 kV, the modified version of a portable X-ray spectrometer is equipped with. A range of ore samples collected from three REE deposits of the Republic of Kazakhstan essentially differing in their elemental composition was investigated. A way of EDXRF and...
Source: Journal of Radioanalytical and Nuclear Chemistry - April 15, 2024 Category: Nuclear Medicine Source Type: research
Correction to: Naturally occurring radioactive materials (NORM) concentration and health risk assessment of aerosols dust in Nicosia, North Cyprus
(Source: Journal of Radioanalytical and Nuclear Chemistry)
Source: Journal of Radioanalytical and Nuclear Chemistry - April 15, 2024 Category: Nuclear Medicine Source Type: research
Selection of simulants for separating radionuclides of transplutonium and rare-earth elements via displacement complexing chromatography with DTPA-based eluents
AbstractThe paper presents data on selecting curium and americium simulants for the lab-scale development of a displacement complexing chromatography-based separation technique. Being eluted with the eluents based on DTPA and a mixture of DTPA and citric acid, the rare earth element holmium behaves exactly as curium and terbium —as americium. Conversely, the tracer additives of transplutonium radionuclides are a perfect option for rare earth separation studies. (Source: Journal of Radioanalytical and Nuclear Chemistry)
Source: Journal of Radioanalytical and Nuclear Chemistry - April 12, 2024 Category: Nuclear Medicine Source Type: research
Microwave sintering for rapid treatment of simulated Nd3+ and Sr2+ radioactive contaminated soil: exploring the influence of Nd:Sr mass ratio and mechanism
This study achieves the successful immobilization of simulated alpha- and beta-emitting radionuclides (Nd3+ and Sr2+, respectively) by incorporating them into a glass matrix through Nd2O3/SrSO4 (Nd/Sr). Varying mixture concentrations (5 –30 wt% with mass ratios Nd:Sr varied from 10:1 to 1:10) in simulated radioactive soils were subjected to microwave sintering at 1500 °C for 0.5 h. Comprehensive assessments, including X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectra, scanning electron microscopy (SEM), and energy dispersive X-ray spectrometry (EDS), confirm the vitrification process’s efficacy. T...
Source: Journal of Radioanalytical and Nuclear Chemistry - April 12, 2024 Category: Nuclear Medicine Source Type: research
Development of a process for the separation of MA(III) from Ln(III) fission products using HONTA impregnated adsorbent
This study provides a simplified process for the separation of MA(III) using a HONTA/SiO2–P-packed column. (Source: Journal of Radioanalytical and Nuclear Chemistry)
Source: Journal of Radioanalytical and Nuclear Chemistry - April 12, 2024 Category: Nuclear Medicine Source Type: research
