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Reactive-crystallization method for purification of LiCl–KCl eutectic salt waste 反应结晶法纯化LiCl-KCl共晶废盐
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-10-04 DOI: 10.1007/s10967-024-09793-z
Byeonggwan Lee, Ga-Yeong Kim, Jung-Hoon Choi, Jae-Young Pyo, Ki Rak Lee, Hyun Woo Kang, Kyuchul Shin, Hwan-Seo Park
{"title":"Reactive-crystallization method for purification of LiCl–KCl eutectic salt waste","authors":"Byeonggwan Lee,&nbsp;Ga-Yeong Kim,&nbsp;Jung-Hoon Choi,&nbsp;Jae-Young Pyo,&nbsp;Ki Rak Lee,&nbsp;Hyun Woo Kang,&nbsp;Kyuchul Shin,&nbsp;Hwan-Seo Park","doi":"10.1007/s10967-024-09793-z","DOIUrl":"10.1007/s10967-024-09793-z","url":null,"abstract":"<div><p>In this study, a reactive-crystallization method was introduced for the purification of LiCl–KCl salt waste generated in pyrochemical processes, wherein the salt was purified and impurities were precipitated using Li<sub>2</sub>CO<sub>3</sub>. The element separation efficiencies of group I/II and rare-earth elements were found to be &gt; 90%. In addition, the metal corrosion generated during this process was mostly present in the precipitate phase, and the dissolved metal corrosion in the eutectic salt was suppressed to a few ppm. The feasibility of this process was confirmed by thermodynamic calculations. Reactive-crystallization can also be applied to other salt waste systems, such as MSR nuclear fuel treatment and molten salt chemistry for impurity purification.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 12","pages":"6331 - 6341"},"PeriodicalIF":1.5,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778515","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
Study on the adsorption performance of Eu(III) in nitric acid medium by TODGA-C resin TODGA-C树脂对硝酸介质中Eu（III）的吸附性能研究
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-10-04 DOI: 10.1007/s10967-024-09725-x
Xuebin Wang, Guoshu Mao, Shengjie Yu, Zhihai Fu, Yuanzhen Yue, Shengdong Zhang, Youqian Ding, Kun Huang, Xian Zhang, Xiaoyi Sun
{"title":"Study on the adsorption performance of Eu(III) in nitric acid medium by TODGA-C resin","authors":"Xuebin Wang,&nbsp;Guoshu Mao,&nbsp;Shengjie Yu,&nbsp;Zhihai Fu,&nbsp;Yuanzhen Yue,&nbsp;Shengdong Zhang,&nbsp;Youqian Ding,&nbsp;Kun Huang,&nbsp;Xian Zhang,&nbsp;Xiaoyi Sun","doi":"10.1007/s10967-024-09725-x","DOIUrl":"10.1007/s10967-024-09725-x","url":null,"abstract":"<div><p>Responding to the need for radioactive waste disposal, the static and dynamic adsorption of Eu<sup>3+</sup> on TODGA-C resin in HNO<sub>3</sub> was investigated. The findings indicated that the adsorption of Eu<sup>3+</sup> on TODGA-C adheres to the quasi-second-order kinetic model. Additionally, the distribution coefficient for Eu<sup>3+</sup> adsorption on TODGA-C reaches 10<sup>5</sup> mL/g in 4 mol/L HNO<sub>3</sub>. Under the conditions of 3.5 mol/L HNO<sub>3</sub>, a flow rate of 3.6 mL/min, and an initial Eu<sup>3+</sup> concentration of 10 mg/L, the Thomas rate constant was found to be 1.2 mL/(mg·min), with a dynamic saturation capacity of 15 mg/mL.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 12","pages":"6343 - 6350"},"PeriodicalIF":1.5,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778516","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 and bioevaluation of a novel 99mTc-labeled complex with a crizotinib HYNIC derivative for imaging of c-Met–positive expression 一种新型99mtc标记配合物的合成和生物评价与克唑替尼HYNIC衍生物用于c- met阳性表达的成像
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-10-04 DOI: 10.1007/s10967-024-09792-0
Junhong Feng, Xuran Zhang, Qing Ruan, Yuhao Jiang, Jin Du, Junbo Zhang
{"title":"Synthesis and bioevaluation of a novel 99mTc-labeled complex with a crizotinib HYNIC derivative for imaging of c-Met–positive expression","authors":"Junhong Feng,&nbsp;Xuran Zhang,&nbsp;Qing Ruan,&nbsp;Yuhao Jiang,&nbsp;Jin Du,&nbsp;Junbo Zhang","doi":"10.1007/s10967-024-09792-0","DOIUrl":"10.1007/s10967-024-09792-0","url":null,"abstract":"<div><p>c-Met, a transmembrane receptor tyrosine kinase, is implicated in the process of tumor progression and metastasis and is regarded as a therapeutic target with its small molecular inhibitor, such as crizotinib. However, there are few radiolabeled small molecular inhibitors used for the evaluation of c-Met expression. Herein, a <sup>99m</sup>Tc labeled crizotinib derivative ([<sup>99m</sup>Tc]Tc-HYNIC-Cri) was prepared with high stability in vitro, and there was a significant difference in biodistribution and SPECT studies between U87 MG tumors with high c-Met expression and A549 tumors with low c-Met expression. These initial findings reveal that [<sup>99m</sup>Tc]Tc-HYNIC-Cri holds great potential for imaging of c-Met–positive tumors.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 12","pages":"6273 - 6282"},"PeriodicalIF":1.5,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778514","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
Study on cesium crystallization solidification in fly ash based cesium zeolite
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-10-04 DOI: 10.1007/s10967-024-09798-8
Lixia Zou, Yuling Wang, Qian Huang, Ruoyan Liu, Zuohai Liu
{"title":"Study on cesium crystallization solidification in fly ash based cesium zeolite","authors":"Lixia Zou,&nbsp;Yuling Wang,&nbsp;Qian Huang,&nbsp;Ruoyan Liu,&nbsp;Zuohai Liu","doi":"10.1007/s10967-024-09798-8","DOIUrl":"10.1007/s10967-024-09798-8","url":null,"abstract":"<div><p>To solidify make <sup>137</sup>Cs with long half-life solidified in high level waste liquid, cesium zeolite was synthesized from fly ash without adding template. The effects of basic cations (Na<sup>+</sup> or K<sup>+</sup>) on the binding force and interaction mechanism of cesium zeolite and Cs(I) were calculated and evaluated by first principles. The results indicate that a spherical granular cesium molecular sieve with a particle size of approximately 5 μm can be synthesized from alkali-pretreated fly ash following a hydrothermal reaction at 180 °C for 20 h, achieving a cesium solidification rate exceeding 40%. The coexistence of Na(I), K(I), and Cs(I) had minimal impact on the synthesis of the cesium molecular sieve.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"461 - 473"},"PeriodicalIF":1.5,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108059","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
Rapid determination of strontium-90 in seawater with proportional counters
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-10-04 DOI: 10.1007/s10967-024-09765-3
Mihriban Şahin, Aylin Kurt, Namık Kemal Şahin
{"title":"Rapid determination of strontium-90 in seawater with proportional counters","authors":"Mihriban Şahin,&nbsp;Aylin Kurt,&nbsp;Namık Kemal Şahin","doi":"10.1007/s10967-024-09765-3","DOIUrl":"10.1007/s10967-024-09765-3","url":null,"abstract":"<div><p>A novel and rapid method to determine <sup>90</sup>Sr activity in seawater by proportional counter has been developed. Precipitation of <sup>90</sup>Sr and radiochemical separation were investigated. <sup>90</sup>Sr was precipitated in the form of oxalate to remove the dominant salts present in seawater and then radiochemical separation was performed by using Sr-resin. The chemical recovery of <sup>90</sup>Sr (75–95%) was determined gravimetrically using a stable primary Sr<sup>2+</sup> solution. The minimum detectable activity (MDA) of <sup>90</sup>Sr was determined to be 0.025 Bq L<sup>−1</sup> for 1 L seawater sample for 2 h counting time using ultra-low background proportional counters. The validation of the method has been performed by using the samples from the IAEA-RML-2021 and IAEA-RML-2019 proficiency tests organized by International Atomic Energy Agency (IAEA).ı</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"285 - 291"},"PeriodicalIF":1.5,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108060","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
Mechanism of remediation of U(VI) contaminated simulated soil by AC‐nHAP gel microsphere as PRB combined electrokinetic technology AC - nHAP凝胶微球作为PRB联合电动技术修复U（VI）污染模拟土壤的机理
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-10-04 DOI: 10.1007/s10967-024-09788-w
Shukui Zhou, Yuewu Yang, Hui Tang, Yi Duan, Huashan Yuan, Jiaqing Yan, Xiuming Yu, Yihao Li
{"title":"Mechanism of remediation of U(VI) contaminated simulated soil by AC‐nHAP gel microsphere as PRB combined electrokinetic technology","authors":"Shukui Zhou,&nbsp;Yuewu Yang,&nbsp;Hui Tang,&nbsp;Yi Duan,&nbsp;Huashan Yuan,&nbsp;Jiaqing Yan,&nbsp;Xiuming Yu,&nbsp;Yihao Li","doi":"10.1007/s10967-024-09788-w","DOIUrl":"10.1007/s10967-024-09788-w","url":null,"abstract":"<div><p>This study investigates the efficacy of activated carbon-nano-hydroxyapatite (AC-nHAP) gel microspheres, composed of sodium alginate and AC-nHAP, as permeable reactive barrier (PRB) fillers for electrokinetic remediation of uranium-contaminated soil. The optimum configuration with 3 g each of AC and nHAP achieved a uranium removal efficiency of 82.31%, surpassing pure electrokinetic remediation by 18.15%. The porous structure of the microspheres facilitated uranium immobilization via complexation, precipitation, and adsorption mechanisms, effectively reducing the leaching toxicity to 0.068 mg/L. These findings underscore the potential of AC-nHAP gel microspheres as PRB fillers in enhancing the efficacy of EK remediation for heavy metal-contaminanted soil.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 12","pages":"6133 - 6148"},"PeriodicalIF":1.5,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778513","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
Study on radon gas transport law of overlying rock layer under different geological conditions of coal spontaneous combustion 煤自燃不同地质条件下覆岩氡气输运规律研究
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-10-04 DOI: 10.1007/s10967-024-09746-6
Kaili Dong, Bin Zhou, Yulong Zhang, Zhifan Lu, Xiaoyuan Liu, Junfeng Wang
{"title":"Study on radon gas transport law of overlying rock layer under different geological conditions of coal spontaneous combustion","authors":"Kaili Dong,&nbsp;Bin Zhou,&nbsp;Yulong Zhang,&nbsp;Zhifan Lu,&nbsp;Xiaoyuan Liu,&nbsp;Junfeng Wang","doi":"10.1007/s10967-024-09746-6","DOIUrl":"10.1007/s10967-024-09746-6","url":null,"abstract":"<div><p>The alpha cup method was employed to delineate spontaneous combustion areas in three coal mines. Following this, cores were drilled to measure radon concentration at various depths using the RAD7 radon detector. Subsequently, the results were then combined with the equation of radon concentration distribution with depth in a semi-infinite medium, demonstrating the equation’s suitability for shallow coal seams. Thereafter, numerical models of radon migration were constructed. The study found that the upward migration of radon is weakened and adsorbed by rock formations, and faults, altering the migration path of radon.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 12","pages":"6379 - 6389"},"PeriodicalIF":1.5,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778517","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
Chromatographic separation of Re-188 from reactor produced W-188 using Bio-Rex 5 anion exchange resin
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-10-04 DOI: 10.1007/s10967-024-09781-3
Mohamed A. Gizawy, Ebrahiem Esmail Ebrahiem, R. M. Abobeah, Tarek M. Aboul-Fotouh, Amr Ahmad Yaseen
{"title":"Chromatographic separation of Re-188 from reactor produced W-188 using Bio-Rex 5 anion exchange resin","authors":"Mohamed A. Gizawy,&nbsp;Ebrahiem Esmail Ebrahiem,&nbsp;R. M. Abobeah,&nbsp;Tarek M. Aboul-Fotouh,&nbsp;Amr Ahmad Yaseen","doi":"10.1007/s10967-024-09781-3","DOIUrl":"10.1007/s10967-024-09781-3","url":null,"abstract":"<div><p>Rhenium-188 (<sup>188</sup>Re) is a <i>β</i><sup>−</sup>emitting radionuclide with a significant potential for use in targeted radionuclide therapy. The current study set out to assess the possibility of producing <sup>188</sup>Re through double neutron capture on <sup>186</sup>W at the Egyptian Second Research Reactor (ETRR-2). Using the MCNPX2.7.0 code, the neutron activation of a naturally occurring tungsten target positioned at the highest thermal neutron flux was simulated. There was a little discrepancy between the calculated results and the experimental data. The feasibility of using Bio-Rex 5 anionic resin for developing an <sup>188</sup>W/<sup>188</sup>Re chromatographic generator was investigated using static and dynamic studies. Our results showed that a high adsorption capacity of 240 mg/g towards WO<sub>4</sub><sup>2−</sup> was attained. Additionally, more than 97.3 ± 0.6% of the <sup>188</sup>Re could be recovered from the generator in the first 3 mL, with high chemical, radiochemical, and radionuclidic purities adequate for radiopharmaceutical preparations as well as clinical applications.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 1","pages":"159 - 165"},"PeriodicalIF":1.5,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-024-09781-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108062","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
Extraction and separation of rare earth elements using LN resins in hydrochloric acid LN树脂在盐酸中萃取分离稀土元素
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-27 DOI: 10.1007/s10967-024-09785-z
Samantha A. Labb, John D. Despotopulos, Kelly N. Kmak, Derek R. Hoffman
{"title":"Extraction and separation of rare earth elements using LN resins in hydrochloric acid","authors":"Samantha A. Labb,&nbsp;John D. Despotopulos,&nbsp;Kelly N. Kmak,&nbsp;Derek R. Hoffman","doi":"10.1007/s10967-024-09785-z","DOIUrl":"10.1007/s10967-024-09785-z","url":null,"abstract":"<div><p>The separation of the rare earth elements is essential for numerous scientific applications but remains a significant challenge due to the nearly identical chemical properties of the adjacent lanthanide elements. Eichrom’s LN series of extraction chromatographic resins feature organophosphorus extractants and are widely used to achieve adjacent lanthanide separations. While extensive characterization of these resins has been completed for nitric acid matrices, the use of hydrochloric acid is preferred for a variety of applications. The extraction of the rare earth elements, La–Lu and Y, has been characterized on LN and LN2 resins in hydrochloric acid via batch uptake and column chromatographic studies.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 12","pages":"6525 - 6531"},"PeriodicalIF":1.5,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778444","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 soil contamination and health risks associated with consumption of Brassica perviridis grown on various soils collected in Northern Vietnam 评价与食用在越南北部收集的不同土壤上种植的紫芸苔有关的土壤污染和健康风险
IF 1.5 3区 化学
Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-09-27 DOI: 10.1007/s10967-024-09783-1
Thi Bao My Nguyen, Thi Thu My Trinh, Inga Zinicovscaia, Hong Khiem Le, Konstantin Vergel, Luong Tuan Phan, Lan Anh Ha, Thi Thu Ha Nguyen, Văn Hải Cao
{"title":"Evaluation of soil contamination and health risks associated with consumption of Brassica perviridis grown on various soils collected in Northern Vietnam","authors":"Thi Bao My Nguyen,&nbsp;Thi Thu My Trinh,&nbsp;Inga Zinicovscaia,&nbsp;Hong Khiem Le,&nbsp;Konstantin Vergel,&nbsp;Luong Tuan Phan,&nbsp;Lan Anh Ha,&nbsp;Thi Thu Ha Nguyen,&nbsp;Văn Hải Cao","doi":"10.1007/s10967-024-09783-1","DOIUrl":"10.1007/s10967-024-09783-1","url":null,"abstract":"<div><p>The accumulation of As, Co, Fe, and Zn in <i>Brassica perviridis</i> grown on 23 soil samples collected in Northern Vietnam was investigated using neutron activation analysis by irradiating the samples in the Cd-screen channel of the REGATA facility at the IBR-2 reactor. According to ecological indices, the soil samples from several locations were characterized by a significant or extremely high degree of contamination, which may be associated with mining activities. The average content of As, Co, Fe, and Zn in vegetable samples was 0.17, 0.38, 320, and 176 mg·kg<sup>−1</sup>, respectively. For all samples, target hazard index values were less than one, except for <i>Brassica perviridis</i> grown on soils collected in Laocai and Phutho.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"333 12","pages":"6167 - 6182"},"PeriodicalIF":1.5,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778445","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
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