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Modeling the radon build-up in a closed environment using developed OpenFOAM solver
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-11-15 DOI: 10.1007/s10967-024-09872-1
Dibyendu Rana, Vivekanand Jha, RLokeswara Patnaik, Manish Kumar Singh, Sanjay Kumar Jha
{"title":"Modeling the radon build-up in a closed environment using developed OpenFOAM solver","authors":"Dibyendu Rana,&nbsp;Vivekanand Jha,&nbsp;RLokeswara Patnaik,&nbsp;Manish Kumar Singh,&nbsp;Sanjay Kumar Jha","doi":"10.1007/s10967-024-09872-1","DOIUrl":"10.1007/s10967-024-09872-1","url":null,"abstract":"<div><p>Modeling radon (<sup>222</sup>Rn) development in confined environments aids in predicting radon levels in dwellings and underground spaces, where radium <sup>226</sup>Ra in building materials and soil emits radon gas via radioactive decay. Radon accumulates in poorly ventilated places, creating an inhalation hazard. In OpenFOAM, a C+ +-based computational tool, an existing heat conduction solver was adapted to simulate radon accumulation, considering radon's radioactive characteristics and material non-uniformity through which radon will permeate. The solver was validated against theoretical values in a one-dimensional system and then applied to study radon dispersion in containment, with potential for broader applications.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"263 - 273"},"PeriodicalIF":1.5,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-024-09872-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cathode processes and uranium electrochemical extraction on W and Ga electrodes in LiCl–KCl melt
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-11-15 DOI: 10.1007/s10967-024-09867-y
Alena Novoselova, Valeri Smolenski
{"title":"Cathode processes and uranium electrochemical extraction on W and Ga electrodes in LiCl–KCl melt","authors":"Alena Novoselova,&nbsp;Valeri Smolenski","doi":"10.1007/s10967-024-09867-y","DOIUrl":"10.1007/s10967-024-09867-y","url":null,"abstract":"<div><p>The electrochemical and thermodynamic properties of uranium compounds were studied in molten ultra-pure LiCl–KCl eutectic at 723–823 K on inert W and reactive Ga electrodes by different electrochemical techniques. The mechanism of the cathode reaction was determined and the diffusion coefficients of U(III) complex ions were calculated for reversible and irreversible systems. The deposition of uranium(III) on reactive Ga electrode was proceeded with depolarization and accompanied by the formation of intermetallic compounds. The conditions of the alloy formation via potentiostatic electrolysis were found. Thermodynamic properties of UCl<sub>3</sub> and UGa<sub>3</sub> were calculated.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"67 - 78"},"PeriodicalIF":1.5,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elemental analysis of nickel ore by PGNAA
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-11-08 DOI: 10.1007/s10967-024-09854-3
O. V. Chakilev, S. V. Kolesnikov, S. G. Rudakov, P. S. Dzhumaev
{"title":"Elemental analysis of nickel ore by PGNAA","authors":"O. V. Chakilev,&nbsp;S. V. Kolesnikov,&nbsp;S. G. Rudakov,&nbsp;P. S. Dzhumaev","doi":"10.1007/s10967-024-09854-3","DOIUrl":"10.1007/s10967-024-09854-3","url":null,"abstract":"<div><p>Prompt gamma neutron activation analysis of nickel ore samples was carried out using a DT portable pulsed neutron generator and a Ø 7.6 × 7.6 cm LaBr<sub>3</sub> detector. Rock powders of nickel ore were analyzed and elements Fe, Si, S, Ni were determined by using calibration curves from standard samples. The minimum detection concentrations of Fe, Si, Ni and S determined from ore samples were 0.87, 1.50, 0.04 and 1.05 wt% respectively.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"1 - 9"},"PeriodicalIF":1.5,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficient uranium removal by amidoxime functionalized graphitic carbon nitride and its potential mechanism
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-11-08 DOI: 10.1007/s10967-024-09848-1
Qi Li, Jiaqi Wang, Hairui Hou, Min Wang, Shujun Yu, Huan Xu, Dong Fu, Xiangxue Wang
{"title":"Efficient uranium removal by amidoxime functionalized graphitic carbon nitride and its potential mechanism","authors":"Qi Li,&nbsp;Jiaqi Wang,&nbsp;Hairui Hou,&nbsp;Min Wang,&nbsp;Shujun Yu,&nbsp;Huan Xu,&nbsp;Dong Fu,&nbsp;Xiangxue Wang","doi":"10.1007/s10967-024-09848-1","DOIUrl":"10.1007/s10967-024-09848-1","url":null,"abstract":"<div><p>In this work, an amidoxime functionalized graphitic carbon nitride (g–C<sub>3</sub>N<sub>4</sub>–AO) was prepared by grafting amidoxime groups onto graphitic carbon nitride (g–C<sub>3</sub>N<sub>4</sub>). The results of the kinetic and isotherm studies conducted on g–C<sub>3</sub>N<sub>4</sub>–AO indicate it exhibits rapid sorption kinetics by achieving equilibrium in 30 min with a homogeneous surface which performed a maximum sorption capacity of 67.1 mg g<sup>−1</sup>. The zeta potential values of the g–C<sub>3</sub>N<sub>4</sub>–AO are between 35 to − 44.3 mV in the pH range of 2.0–11.0. It was further observed that it complexes with uranium ions, which act as bidentate ligands, utilizing the lone pairs on O and N atoms. The empirical evidence strongly suggests that the utilization of g–C<sub>3</sub>N<sub>4</sub>–AO in uranium water remediation can be a promising solution.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"419 - 431"},"PeriodicalIF":1.5,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced decontamination of surface radioactive contamination using a hydrogel coating composited with Prussian blue
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-11-08 DOI: 10.1007/s10967-024-09849-0
Man Yang, Zhanguo Li, Yi Wang, Xiaoyan Lin
{"title":"Enhanced decontamination of surface radioactive contamination using a hydrogel coating composited with Prussian blue","authors":"Man Yang,&nbsp;Zhanguo Li,&nbsp;Yi Wang,&nbsp;Xiaoyan Lin","doi":"10.1007/s10967-024-09849-0","DOIUrl":"10.1007/s10967-024-09849-0","url":null,"abstract":"<div><p>In this study, a hydrogel-based strippable coating was expeditiously synthesised by employing hydrogen bonding between eco-compatible guar gum (GG), borax, and glycerol (Gly), thereby endowing the coating with excellent swelling capabilities and a high water retention capacity. This approach was specifically designed to navigate the intricate rheological management associated with strippable coating decontaminants. Through the incorporation of Prussian blue (PB), a material highly effective in adsorbing cesium (Cs), the solubility and diffusion of radionuclides within the hydrogel were significantly enhanced, thereby augmenting the decontamination efficacy of the hydrogel. The PB–GG–Gly composite demonstrated remarkable decontamination efficiencies, removing Cs from surfaces of glass, stainless steel, rubber, lacquer, and cement with percentages of 99.66%, 99.37%, 99.71%, 99.67%, and 83.83%, respectively.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"501 - 513"},"PeriodicalIF":1.5,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessment of chemical risk associated with naturally occurring uranium in groundwater from East Khandesh, India
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-11-05 DOI: 10.1007/s10967-024-09841-8
Ravindra Mahajan, Amol Kale, Divya Patel, Sopan Ingle, Pramod Mahulikar
{"title":"Assessment of chemical risk associated with naturally occurring uranium in groundwater from East Khandesh, India","authors":"Ravindra Mahajan,&nbsp;Amol Kale,&nbsp;Divya Patel,&nbsp;Sopan Ingle,&nbsp;Pramod Mahulikar","doi":"10.1007/s10967-024-09841-8","DOIUrl":"10.1007/s10967-024-09841-8","url":null,"abstract":"<div><p>This study assessed the chemo-radiological risks of naturally occurring uranium in groundwater from Dhule district, India, focusing on its potential health impacts. Water samples were collected across the district and analyzed for uranium concentration along with physicochemical parameters. The findings reveal significant uranium presence, raising concerns about human health. A thorough risk evaluation underscores the urgent need for continued investigation and the development of targeted mitigation strategies to minimize health risks. These results emphasize the importance of addressing uranium contamination in groundwater to protect public health in the affected area.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"119 - 130"},"PeriodicalIF":1.5,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The additive value of fractionated 177Lu-PSMA-617 administration in treating prostate cancer
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-11-05 DOI: 10.1007/s10967-024-09845-4
Xiaobei Zheng, Bin Cui, Wenli Hou, Zhongqi Zhao, Shuhua He, Xiao Li, Shuai Xue, Xiu Luo, Li Ma, Lan Zhang
{"title":"The additive value of fractionated 177Lu-PSMA-617 administration in treating prostate cancer","authors":"Xiaobei Zheng,&nbsp;Bin Cui,&nbsp;Wenli Hou,&nbsp;Zhongqi Zhao,&nbsp;Shuhua He,&nbsp;Xiao Li,&nbsp;Shuai Xue,&nbsp;Xiu Luo,&nbsp;Li Ma,&nbsp;Lan Zhang","doi":"10.1007/s10967-024-09845-4","DOIUrl":"10.1007/s10967-024-09845-4","url":null,"abstract":"<div><p>This study explored the gain value of fractionated administration of <sup>177</sup>Lu-PSMA-617 in treating prostate cancer. 20% administration dosage of <sup>177</sup>Lu-PSMA-617 realized 26.42% radiation accumulation of the normal dose, meanwhile, low-dose administration did not cause significant decrease in tumor PSMA expression within 3 days post injection. When compared with the conventional administration regimen, the fractionated administration regimen was of the same tumor inhibition rate, but showed more obvious tumor activity inhibition efficiency. Hence, the efficacy of PSMA-specific β-therapy can be improved via fractionated administration of radiopharmaceuticals.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"99 - 104"},"PeriodicalIF":1.5,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of radiochemical yield and quality in automated [18F]fluorocholine synthesis with a modified GE TracerLab MX module
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-11-01 DOI: 10.1007/s10967-024-09846-3
Md. Jashim Uddin, Yun-Sang Lee, Yong-Hyun Cho, M. Anwar-Ul-Azim, Salma Khanom
{"title":"Evaluation of radiochemical yield and quality in automated [18F]fluorocholine synthesis with a modified GE TracerLab MX module","authors":"Md. Jashim Uddin,&nbsp;Yun-Sang Lee,&nbsp;Yong-Hyun Cho,&nbsp;M. Anwar-Ul-Azim,&nbsp;Salma Khanom","doi":"10.1007/s10967-024-09846-3","DOIUrl":"10.1007/s10967-024-09846-3","url":null,"abstract":"<div><p>[<sup>18</sup>F]fluorocholine ([<sup>18</sup>F]FCH) is an effective tracer for the imaging of different tumors of human brain, lung, or prostate. The purpose of this study was to evaluate the radiochemical yield and quality of routinely synthesized [<sup>18</sup>F]FCH by a modified 2-deoxy-2-[<sup>18</sup>F]fluoro-<span>d</span>-glucose ([<sup>18</sup>F]FDG) synthesizer (GE TracerLab MX). The radiosynthesis of [<sup>18</sup>F]FCH was completed in two steps taking 49 min. First, [<sup>18</sup>F]fluorobromomethane ([<sup>18</sup>F]FCH<sub>2</sub>Br) was synthesized from [<sup>18</sup>F]fluoride and dibromethane. Then, [<sup>18</sup>F]FCH as bromide salt was produced by N-alkylation of N,N-dimethylaminoethanol (DMAE) with [<sup>18</sup>F]fluorobromomethane. [<sup>18</sup>F]FCH had &gt; 99.99% radiochemical purity, with non-decay-corrected and decay-corrected yields of 12(± 3)% and 16(± 4)%, respectively (<i>n</i> = 8).</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"293 - 302"},"PeriodicalIF":1.5,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tritium labelling of several potent imidazoline receptor ligands 几种咪唑啉受体配体的氚标记
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-11-01 DOI: 10.1007/s10967-024-09828-5
Crist N. Filer
{"title":"Tritium labelling of several potent imidazoline receptor ligands","authors":"Crist N. Filer","doi":"10.1007/s10967-024-09828-5","DOIUrl":"10.1007/s10967-024-09828-5","url":null,"abstract":"<div><p>The concept of biological receptors is now more than a century old with numerous receptor families being identified as they respond to the influence of a collection of agonist and antagonist substances. Many receptors have been fully studied and characterized. However, the imidazoline receptor family is one of the more intriguing groups for which unanswered biology questions still remain. To better understand the imidazoline receptors, this work describes the synthesis and characterization of several useful tritium labelled imidazoline radioligands.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 12","pages":"6541 - 6545"},"PeriodicalIF":1.5,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778177","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis of novel hyper-cross-linked polymers for efficient uranium(VI) capture from aqueous solution
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-10-29 DOI: 10.1007/s10967-024-09833-8
Huijun Yan, Long Huo, Mingxia Li, Hayinaer Azhati, Jianwei Bai
{"title":"Synthesis of novel hyper-cross-linked polymers for efficient uranium(VI) capture from aqueous solution","authors":"Huijun Yan,&nbsp;Long Huo,&nbsp;Mingxia Li,&nbsp;Hayinaer Azhati,&nbsp;Jianwei Bai","doi":"10.1007/s10967-024-09833-8","DOIUrl":"10.1007/s10967-024-09833-8","url":null,"abstract":"<div><p>Uranium extraction from seawater is of great significance for the development of the nuclear industry. However, the adsorption of uranium is limited by selectivity of uranium and recycle performance. In this study, amidoxime-functionalized polymer (BP-AO) was prepared by coupling benzene with phenylacetonitrile to extraction uranium from aqueous solution. Adsorption experiments show that the adsorption progress of BP-AO can reach equilibrium within 5 min and the maximum adsorption capacity is 193.9 mg·g<sup>−1</sup> calculated by Langmuir model. The selectivity of BP-AO for U(VI) is excellent and after five adsorption–desorption experiments, the adsorption capacity only decreased about 10%. The adsorption mechanism shows that the sorption is mainly due to the formation of stable chelates between the amidoxime groups and U(VI). These results demonstrate the potential application of the adsorbent for practical utilization.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"515 - 524"},"PeriodicalIF":1.5,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-024-09833-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143110130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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