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The International journal of applied radiation and isotopes最新文献

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Perturbed γ-γ directional correlation measurements of 111mCd in a study of binding of Cd to plant cell walls 在Cd与植物细胞壁结合的研究中，111mCd的摄动γ-γ定向相关测量
The International journal of applied radiation and isotopes Pub Date : 1985-09-01 DOI: 10.1016/0020-708X(85)90037-7
P. Bode, M. De Bruin, H.Th. Wolterbeek
{"title":"Perturbed γ-γ directional correlation measurements of 111mCd in a study of binding of Cd to plant cell walls","authors":"P. Bode,&nbsp;M. De Bruin,&nbsp;H.Th. Wolterbeek","doi":"10.1016/0020-708X(85)90037-7","DOIUrl":"10.1016/0020-708X(85)90037-7","url":null,"abstract":"<div><p>Measurements of the perturbation of the directional correlation of the 150 and 247 keV γ-rays of <sup>111<em>m</em></sup>Cd was applied in a study of the behaviour of Cd in equilibrium with plant cells. As the overall perturbation factor reflects the degree of binding of Cd to the plant cell-wall the technique makes it possible to distinguish between absorbed and tissue bound Cd, whereas common radiotracer methods fail in this. The results show that the measurement of perturbed directional correlations is a promising method for studying trace element behaviour in equilibrium systems and intact organisms.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 9","pages":"Pages 685-688"},"PeriodicalIF":0.0,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90037-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76719917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Decay of mass-separated 143Cs and 143Ba 质量分离的143Cs和143Ba的衰变
The International journal of applied radiation and isotopes Pub Date : 1985-09-01 DOI: 10.1016/0020-708X(85)90038-9
M.S. Rapaport, A. Gayer
{"title":"Decay of mass-separated 143Cs and 143Ba","authors":"M.S. Rapaport,&nbsp;A. Gayer","doi":"10.1016/0020-708X(85)90038-9","DOIUrl":"10.1016/0020-708X(85)90038-9","url":null,"abstract":"<div><p>Mass separated, neutron rich <span><math><msup><mi></mi><mn>143</mn></msup><mtext>Cs (t</mtext><msub><mi></mi><mn><mtext>NU&gt;1</mtext><mtext>2</mtext></mn></msub><mtext> = 1.8 </mtext><mtext>s</mtext><mtext>)</mtext></math></span> and <span><math><msup><mi></mi><mn>143</mn></msup><mtext>Ba (t</mtext><msub><mi></mi><mn><mtext>NU&gt;1</mtext><mtext>2</mtext></mn></msub><mtext> = 14.5 </mtext><mtext>s</mtext><mtext>)</mtext></math></span> isotopes were studied. 1565 0 Singles gamma and conversion electron spectra following the β- decay of these nuclei were investigated using Ge(Li) and Si(Li) detectors, respectively. Gamma ray and internal conversion electron relative intensities are listed, and spin and parity assignments, based on transition multipolarities, are proposed. Results are compared with earlier measurements. Some evidence for an isometric state in <sup>143</sup>Ba is presented.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 9","pages":"Pages 689-697"},"PeriodicalIF":0.0,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90038-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80974546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Synthesis, tissue distribution and tumor uptake of 99mTc- and 67Ga- Tetrasulfophthalocyanine 99mTc-和67Ga-四硫眼菁的合成、组织分布和肿瘤摄取
The International journal of applied radiation and isotopes Pub Date : 1985-09-01 DOI: 10.1016/0020-708X(85)90041-9
Jacques Rousseau, Hasrat Ali, Guy Lamoureux, Etienne Lebel, Johan E. Van Lier
{"title":"Synthesis, tissue distribution and tumor uptake of 99mTc- and 67Ga- Tetrasulfophthalocyanine","authors":"Jacques Rousseau,&nbsp;Hasrat Ali,&nbsp;Guy Lamoureux,&nbsp;Etienne Lebel,&nbsp;Johan E. Van Lier","doi":"10.1016/0020-708X(85)90041-9","DOIUrl":"10.1016/0020-708X(85)90041-9","url":null,"abstract":"<div><p>Complexes of tetrasulfophthalocyanine with <span><math><msup><mi></mi><mn>99m</mn></msup><mtext>Tc</mtext></math></span>, <sup>69</sup>Ga and <sup>67</sup>Ga were prepared by the condensation of sulfophthalic acid with the appropriate metal-species. The Ga-complex was also obtained by exchange of the central hydrogens of the empty tetrasulfophthalocyanine. The labeled complexes were purified by thin layer chromatography and characterized by their chromatographic properties. Their biodistribution in rabbits and tumor-bearing rats revealed that most of the radioactivity accumulated in the kidneys, liver, ovaries, adrenals and spleen. Comparison of these distribution pattern with those of [<span><math><msup><mi></mi><mn>99m</mn></msup><mtext>Tc</mtext></math></span>]pertechnetate and <sup>67</sup>Ga-citrate confirmed the <em>in vivo</em> stability of the labeled complexes. The <sup>67</sup>Ga-complex reached better tumor-to-blood and tumor-to-muscle ratios than <sup>67</sup>Ga-citrate.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 9","pages":"Pages 709-716"},"PeriodicalIF":0.0,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90041-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15177409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 52
Optimized production of high specific activity [11C]urea 高比活性[11C]尿素的优化生产
The International journal of applied radiation and isotopes Pub Date : 1985-09-01 DOI: 10.1016/0020-708X(85)90046-8
Ali M. Emran, Thomas E. Boothe, Ronald D. Finn, Manhar M. Vora, Paresh J. Kothari, J. Thomas Wooten
{"title":"Optimized production of high specific activity [11C]urea","authors":"Ali M. Emran,&nbsp;Thomas E. Boothe,&nbsp;Ronald D. Finn,&nbsp;Manhar M. Vora,&nbsp;Paresh J. Kothari,&nbsp;J. Thomas Wooten","doi":"10.1016/0020-708X(85)90046-8","DOIUrl":"10.1016/0020-708X(85)90046-8","url":null,"abstract":"<div><p>Use of [<sup>11</sup>C]urea as an intermediate for the preparation of “no-carrier-added” radiopharmaceuticals required optimization of synthetic parameters. A procedure has been developed to produce [<sup>11</sup>C]urea from “no-carrier-added” <sup>11</sup>CN<sup>−</sup> within 16 ± 1 min from end of bombardment (EOB) with a radiochemical yield of 95.0 ± 2.5%.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 9","pages":"Pages 739-740"},"PeriodicalIF":0.0,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90046-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15022121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Isotope Effects and Helium Retention Behavior in Vanadium Tritide 钒三聚体中的同位素效应和氦保留行为
The International journal of applied radiation and isotopes Pub Date : 1985-09-01 DOI: 10.13182/FST85-A24632
R. Bowman, A. Attalla, B. D. Craft
{"title":"Isotope Effects and Helium Retention Behavior in Vanadium Tritide","authors":"R. Bowman, A. Attalla, B. D. Craft","doi":"10.13182/FST85-A24632","DOIUrl":"https://doi.org/10.13182/FST85-A24632","url":null,"abstract":"The relaxation times of the H, T, and 3He nuclei have been measured in vanadium hydride and tritide samples. Substantial isotope effects in both the phase transition temperatures and diffusion parameters have been found. When compared to hydrides, the tritide samples have lower transition temperatures and faster mobilities. The differences in the occupancies of the interstitial sites are largely responsible for these isotope effects. Most of the helium atoms generated by tritium decay remain trapped in microscopic bubbles formed with the VTx lattice. Evidence is presented for the gradual growth of the helium bubbles over periods of hundreds of days.","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"12 1","pages":"2366-2372"},"PeriodicalIF":0.0,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82967010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Photon absorptiometry of bone and bone standards 骨和骨标准的光子吸收测定法
The International journal of applied radiation and isotopes Pub Date : 1985-09-01 DOI: 10.1016/0020-708X(85)90048-1
D.A. Bradley, C.S. Chong, A.M. Ghose
{"title":"Photon absorptiometry of bone and bone standards","authors":"D.A. Bradley,&nbsp;C.S. Chong,&nbsp;A.M. Ghose","doi":"10.1016/0020-708X(85)90048-1","DOIUrl":"10.1016/0020-708X(85)90048-1","url":null,"abstract":"<div><p>Measured and parametrised values of the attenuation coefficients of bone and several bone standards are presented for the photon energies 33, 75, 145, 279 and 662 keV. The values are compared, inadequacies are highlighted and possible new formulations are discussed.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 9","pages":"Pages 743-744"},"PeriodicalIF":0.0,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90048-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15178168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Tertiary Containment in a Multi-Room Tritium Facility 多室氚设施的三级安全壳
The International journal of applied radiation and isotopes Pub Date : 1985-09-01 DOI: 10.13182/FST85-A24656
L. Kent
{"title":"Tertiary Containment in a Multi-Room Tritium Facility","authors":"L. Kent","doi":"10.13182/FST85-A24656","DOIUrl":"https://doi.org/10.13182/FST85-A24656","url":null,"abstract":"An experimental system to provide tertiary containment at Mound has been upgraded to support a new multi-room tritium handling facility. This system is used to remove tritium from room air in the event of primary (process) and secondary (glovebox) containment failure. The upgraded system includes a faster response time, piping and valves that are more leaktight, and a new control panel that better indicates the system status and operating conditions.","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"30 1","pages":"2511-2516"},"PeriodicalIF":0.0,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74984786","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gamma absorptiometric technique employing high resolution gamma spectrometry 采用高分辨率伽马能谱法的伽马吸收测定技术
The International journal of applied radiation and isotopes Pub Date : 1985-09-01 DOI: 10.1016/0020-708X(85)90040-7
A. Tugsavul , B. Kopuz , K. Cimcim , S. Can , H. Tel , Ö. Ciftcioglu
{"title":"Gamma absorptiometric technique employing high resolution gamma spectrometry","authors":"A. Tugsavul ,&nbsp;B. Kopuz ,&nbsp;K. Cimcim ,&nbsp;S. Can ,&nbsp;H. Tel ,&nbsp;Ö. Ciftcioglu","doi":"10.1016/0020-708X(85)90040-7","DOIUrl":"10.1016/0020-708X(85)90040-7","url":null,"abstract":"<div><p>Gamma absorptiometric method was used to determined uranium and thorium concentration in both aqueous and organic solutions. The complete computer-based γ-spectroscopy system includes a coaxial Ge(Li) detector used to measure the absorption of γ-rays from <sup>241</sup>Am through the solutions. The absolute concentration of natural uranium and thorium can be determined within 1–200 g U/L and 1–360 g Th/L concentration ranges with a precision of ± 1% for a counting time of up to 100 s with the result that the method is suitable for on-line measurement in fuel element fabrications.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 9","pages":"Pages 705-708"},"PeriodicalIF":0.0,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90040-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82303178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Medical gamma processing facility in Riyadh, Saudi Arabia, and radiation applications 沙特阿拉伯利雅得的医疗伽马处理设施和辐射应用
The International journal of applied radiation and isotopes Pub Date : 1985-09-01 DOI: 10.1016/0020-708X(85)90047-X
Nicholas Grecz , Eric W. Hahn , William E. Jouris
{"title":"Medical gamma processing facility in Riyadh, Saudi Arabia, and radiation applications","authors":"Nicholas Grecz ,&nbsp;Eric W. Hahn ,&nbsp;William E. Jouris","doi":"10.1016/0020-708X(85)90047-X","DOIUrl":"10.1016/0020-708X(85)90047-X","url":null,"abstract":"","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 9","pages":"Pages 741-742"},"PeriodicalIF":0.0,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90047-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15178167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Radiometric determination of 210Pb in powder samples by the method of standard additions 标准添加法测定粉末样品中的210Pb
The International journal of applied radiation and isotopes Pub Date : 1985-09-01 DOI: 10.1016/0020-708X(85)90045-6
C.John Bland
{"title":"Radiometric determination of 210Pb in powder samples by the method of standard additions","authors":"C.John Bland","doi":"10.1016/0020-708X(85)90045-6","DOIUrl":"10.1016/0020-708X(85)90045-6","url":null,"abstract":"<div><p>The method of standard additions is a well known procedure in chemistry for the measurement of trace substances. The use of this method is described in the radiometric determination of <sup>210</sup>Pb activity via the γ-ray at 46.5 keV emitted in about 4% of the decays. Standard additions of <sup>210</sup>Pb activity are adsorbed on anion exchange resin which is then mixed with the sample. The procedure used to extract the area of the photopeak from the continuum on which it is superimposed, is described in detail. The value of the <sup>210</sup>Pb activity is calculated using the slope and intercept of the best straight line fitting the count-rate data plotted against added activity. Results obtained on four standard ore samples indicate that this method yields results of comparable accuracy to other methods such as β-ray spectrometry of the prompt <sup>210</sup>Bi daughter. This method, however, avoids the tedious chemical separations required.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 9","pages":"Pages 733-738"},"PeriodicalIF":0.0,"publicationDate":"1985-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90045-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80219762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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