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Evaluation and measurement of 55Fe radioactivity in accelerator hardware activated at high energy accelerator facilities 高能加速器硬件中55Fe放射性的评价与测量
International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes Pub Date : 1992-11-01 DOI: 10.1016/0883-2889(92)90008-3
Yuichi Oki, Masaharu Numajiri, Takenori Suzuki, Taichi Miura, Kenjiro Kondo
{"title":"Evaluation and measurement of 55Fe radioactivity in accelerator hardware activated at high energy accelerator facilities","authors":"Yuichi Oki,&nbsp;Masaharu Numajiri,&nbsp;Takenori Suzuki,&nbsp;Taichi Miura,&nbsp;Kenjiro Kondo","doi":"10.1016/0883-2889(92)90008-3","DOIUrl":"10.1016/0883-2889(92)90008-3","url":null,"abstract":"<div><p>It was indicated that <sup>55</sup>Fe (EC decay, half-life: 2.7 y) is the most abundant radioisotope in the residual activities formed in hardware composed of iron and steel at high energy accelerator facilities. Its approximate activity could be evaluated on the basis of an integrated neutron flux measured by an activation method using a copper threshold detector. Both a low energy photon spectroscopy and a liquid scintillation counting method were confirmed to be applicable to <sup>55</sup>Fe measurement with high sensitivity.</p></div>","PeriodicalId":14288,"journal":{"name":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","volume":"43 11","pages":"Pages 1355-1362"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0883-2889(92)90008-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82627805","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: 2
Deuteron irradiation of carbonized poly(styrene/divinylbenzene) resins for the in-target production of [13N]ammonia 碳化聚苯乙烯/二乙烯基苯树脂的氘辐照靶内生产[13N]氨
International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes Pub Date : 1992-11-01 DOI: 10.1016/0883-2889(92)90009-4
Elizabeth Zippi , George Kabalka , Gerald Bida , Nagichettiar Satyamurthy , Bruce Wieland
{"title":"Deuteron irradiation of carbonized poly(styrene/divinylbenzene) resins for the in-target production of [13N]ammonia","authors":"Elizabeth Zippi ,&nbsp;George Kabalka ,&nbsp;Gerald Bida ,&nbsp;Nagichettiar Satyamurthy ,&nbsp;Bruce Wieland","doi":"10.1016/0883-2889(92)90009-4","DOIUrl":"10.1016/0883-2889(92)90009-4","url":null,"abstract":"<div><p>New polymer-based materials have been evaluated in an effort to improve nitrogen-13 production with medical cyclotrons. A series of poly(styrene/divinylbenzene) derivatives have been synthesized and then pyrolysed to yield carbonized beads. Preliminary cyclotron studies indicate that pure <sup>13</sup>N-labelled ammonia is produced upon irradiation of these materials.</p></div>","PeriodicalId":14288,"journal":{"name":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","volume":"43 11","pages":"Pages 1363-1368"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0883-2889(92)90009-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73242463","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: 6
Production of 77Br for TDPAC studies 生产77Br用于TDPAC的研究
International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes Pub Date : 1992-11-01 DOI: 10.1016/0883-2889(92)90014-6
J.L. Hutter , T.J. Ruth , P.W. Martin
{"title":"Production of 77Br for TDPAC studies","authors":"J.L. Hutter ,&nbsp;T.J. Ruth ,&nbsp;P.W. Martin","doi":"10.1016/0883-2889(92)90014-6","DOIUrl":"10.1016/0883-2889(92)90014-6","url":null,"abstract":"<div><p>An inexpensive target system for the production and on-line extraction of no carrier-added radioisotopes of bromine is described. The suitability of <sup>77</sup>Br as a probe for time-differential perturbed angular correlation studies is discussed.</p></div>","PeriodicalId":14288,"journal":{"name":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","volume":"43 11","pages":"Pages 1393-1398"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0883-2889(92)90014-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73008634","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: 5
A simplified procedure for fluorine-18 production using a nuclear reactor 采用核反应堆生产氟-18的简化程序
International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes Pub Date : 1992-11-01 DOI: 10.1016/0883-2889(92)90016-8
Flor de M. Ramirez , Silvia Bulbulian , Carol H. Collins , Kenneth E. Collins
{"title":"A simplified procedure for fluorine-18 production using a nuclear reactor","authors":"Flor de M. Ramirez ,&nbsp;Silvia Bulbulian ,&nbsp;Carol H. Collins ,&nbsp;Kenneth E. Collins","doi":"10.1016/0883-2889(92)90016-8","DOIUrl":"10.1016/0883-2889(92)90016-8","url":null,"abstract":"<div><p>Several target compounds and different purification procedures are compared for reactor production of [<sup>18</sup>F]fluoride by means of the <sup>6</sup>Li(n,α)<sup>3</sup>H; <sup>16</sup>O(t,n)<sup>18</sup>F reaction sequence. Best results are obtained using moist Li<sub>2</sub>CO<sub>3</sub> as target, followed by aqueous dissolution using a cation exchange resin and purification by adsorption on a small alumina column with dilute ammonium hydroxide as eluent.</p></div>","PeriodicalId":14288,"journal":{"name":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","volume":"43 11","pages":"Pages 1403-1406"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0883-2889(92)90016-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80762013","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: 6
Targeting of [111In]biocytin to cultured ovarian adenocarcinoma cells using covalent monoclonal antibody—Streptavidin conjugates 利用共价单克隆抗体-链亲和素偶联物靶向[111In]生物细胞素对培养的卵巢腺癌细胞的靶向作用
International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes Pub Date : 1992-11-01 DOI: 10.1016/0883-2889(92)90015-7
Katherine Sheldon , Reuben Baumal , Alexander Marks
{"title":"Targeting of [111In]biocytin to cultured ovarian adenocarcinoma cells using covalent monoclonal antibody—Streptavidin conjugates","authors":"Katherine Sheldon ,&nbsp;Reuben Baumal ,&nbsp;Alexander Marks","doi":"10.1016/0883-2889(92)90015-7","DOIUrl":"10.1016/0883-2889(92)90015-7","url":null,"abstract":"<div><p>Three monoclonal antibodies (mAb) directed against the human ovarian adenocarcinoma cell line HEY, were substituted with maleimide and covalently bonded to thiolated streptavidin. The conjugates were separated from unreacted reagents by successive affinity chromatography on protein A—Sepharose and iminobiotin columns. Purified conjugates consisted of an immunoglobulin (Ig) monomer bound to a streptavidin tetramer through a covalent bond between the Ig molecule and one of the streptavidin subunits. The conjugates were able to specifically target [<sup>111</sup>In]biocytin to HEY cells <em>in vitro</em> in the presence of human serum and ascitic fluid from ovarian cancer patients.</p></div>","PeriodicalId":14288,"journal":{"name":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","volume":"43 11","pages":"Pages 1399-1402"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0883-2889(92)90015-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12507216","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: 2
Measurements of 129I in a nuclear power reactor by accelerator mass spectrometry 用加速器质谱法测量核动力反应堆中的129I
International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes Pub Date : 1992-11-01 DOI: 10.1016/0883-2889(92)90020-F
O. Meirav , M. Adam , E. Boaretto , S.A. Dias , R.R. Johnson , M. Paul , E. Venczel
{"title":"Measurements of 129I in a nuclear power reactor by accelerator mass spectrometry","authors":"O. Meirav ,&nbsp;M. Adam ,&nbsp;E. Boaretto ,&nbsp;S.A. Dias ,&nbsp;R.R. Johnson ,&nbsp;M. Paul ,&nbsp;E. Venczel","doi":"10.1016/0883-2889(92)90020-F","DOIUrl":"10.1016/0883-2889(92)90020-F","url":null,"abstract":"<div><p>The method of accelerator mass spectrometry is applied to measurements of concentrations of the long-lived volatile fission product <sup>129</sup>I (<span><math><mtext>t</mtext><msub><mi></mi><mn><mtext>1</mtext><mtext>2</mtext></mn></msub><mtext> = 1.6 × 10</mtext><msup><mi></mi><mn>7</mn></msup></math></span> a) in the primary heat transport (PHT) system and irradiated fuel bay (IFB) of a commercial nuclear power reactor. Concentrations of (8.1 ± 1.1) × 10<sup>12</sup><sup>129</sup>I atoms per gram and between 10<sup>11</sup> and 10<sup>13</sup><sup>129</sup>I atoms/L were measured in an ion-exchange resin and in the heavy water (PHT) system, respectively. The corresponding value for the IFB system water samples was 5–6 × 10<sup>12</sup><sup>129</sup>I atoms/L. These measurements, based on very small size samples (of the order of 0.5 mL) emphasize the advantage of the present method where a simple chemical process for the iodine extraction enables a direct measurement of the <sup>129</sup>I atom content of the samples. In view of the physical and chemical properties of iodine and their important implications in the environment, the method is likely to find even wider applications for the monitoring of <sup>129</sup>I and the study of long-range nuclear waste storage.</p></div>","PeriodicalId":14288,"journal":{"name":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","volume":"43 11","pages":"Pages 1420-1424"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0883-2889(92)90020-F","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83750584","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
The influence of measurement and storage conditions on alanine ESR dosimeters 测量和贮存条件对丙氨酸ESR剂量计的影响
International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes Pub Date : 1992-11-01 DOI: 10.1016/0883-2889(92)90017-9
Antonio Carlos Alexandre , Oswaldo Baffa , Otaciro Rangel Nascimento
{"title":"The influence of measurement and storage conditions on alanine ESR dosimeters","authors":"Antonio Carlos Alexandre ,&nbsp;Oswaldo Baffa ,&nbsp;Otaciro Rangel Nascimento","doi":"10.1016/0883-2889(92)90017-9","DOIUrl":"10.1016/0883-2889(92)90017-9","url":null,"abstract":"","PeriodicalId":14288,"journal":{"name":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","volume":"43 11","pages":"Pages 1407-1411"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0883-2889(92)90017-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83418978","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: 25
Development of 3-iodophenylisothiocyanate for radioiodination of monoclonal antibodies 放射性碘单克隆抗体3-碘苯基异硫氰酸酯的研制
International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes Pub Date : 1992-11-01 DOI: 10.1016/0883-2889(92)90013-5
Siya Ram , Donald J. Buchsbaum
{"title":"Development of 3-iodophenylisothiocyanate for radioiodination of monoclonal antibodies","authors":"Siya Ram ,&nbsp;Donald J. Buchsbaum","doi":"10.1016/0883-2889(92)90013-5","DOIUrl":"10.1016/0883-2889(92)90013-5","url":null,"abstract":"<div><p>A new radioiodination reagent, 3-iodophenylisothiocyanate (3-IPI) has been developed for coupling to monoclonal antibodies. The starting material, 3-tri-n-butylstannylphenylisothiocyanate was prepared via a reaction of hexabutylditin with 3-bromoaniline, followed by treatment with thiophosgene with an overall yield of 72%. The radioiodination of this tin precursor with Na[<sup>125</sup>I]I/iodogen in chloroform gave 3-[<sup>125</sup>I]IPI in 23–55% radiochemical yield and 81–99.6% radiochemical purity. Purification of the impure product by high pressure liquid chromatography increased the radiochemical purity of the product up to 99%. These results suggest that 3-IPI may be a useful ligand for radioiodination and coupling to a variety of monoclonal antibodies.</p></div>","PeriodicalId":14288,"journal":{"name":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","volume":"43 11","pages":"Pages 1387-1391"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0883-2889(92)90013-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12507215","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: 5
The production of 55Fe with medium-energy protons 用中能量质子生产55Fe
International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes Pub Date : 1992-11-01 DOI: 10.1016/0883-2889(92)90003-W
G.F. Steyn , B.R.S. Simpson, S.J. Mills, F.M. Nortier
{"title":"The production of 55Fe with medium-energy protons","authors":"G.F. Steyn ,&nbsp;B.R.S. Simpson,&nbsp;S.J. Mills,&nbsp;F.M. Nortier","doi":"10.1016/0883-2889(92)90003-W","DOIUrl":"10.1016/0883-2889(92)90003-W","url":null,"abstract":"<div><p>Thick-target production rates of <sup>55</sup>Fe produced in the proton bombardment of Mn, Co and Ni were investigated from threshold up to 100 MeV. Impurity levels of the only radiocontaminant of importance, <sup>59</sup>Fe, were also considered. It is shown that the optimum production rate at energies above ∼ 35 MeV will be achieved by utilizing a tandem Mn/Ni target. Theoretical calculations performed with the computer code ALICE/85/300 were found to be in good agreement with the measured <sup>55</sup>Fe thick-target production-rate curves.</p></div>","PeriodicalId":14288,"journal":{"name":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","volume":"43 11","pages":"Pages 1323-1327"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0883-2889(92)90003-W","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90427553","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
Cyclotron production of PET radionuclides: 34mCl (33.99 min; β + 53%; IT 47%) with protons on natural isotopic chlorine-containing targets PET放射性核素回旋产生:34mCl (33.99 min;β + 53%;(47%)用质子在天然含氯同位素靶上
International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes Pub Date : 1992-11-01 DOI: 10.1016/0883-2889(92)90011-3
Manuel C. Lagunas-Solar, Omar F. Carvacho, Robert R. Cima
{"title":"Cyclotron production of PET radionuclides: 34mCl (33.99 min; β + 53%; IT 47%) with protons on natural isotopic chlorine-containing targets","authors":"Manuel C. Lagunas-Solar,&nbsp;Omar F. Carvacho,&nbsp;Robert R. Cima","doi":"10.1016/0883-2889(92)90011-3","DOIUrl":"10.1016/0883-2889(92)90011-3","url":null,"abstract":"<div><p>Thin- and thick-target yields for the production of <sup>34m</sup>Cl (31.99 min; β + 53%; IT 47%) with high-energy protons on natural isotopic chlorine targets were measured in the 67.5–20.0 MeV energy range. The total cross section for the reactions <sup>35</sup>Cl(p,pn) (<em>Q</em> = -12.8 MeV) and <sup>37</sup>Cl(p,p3n) (<em>Q</em> = -31.7 MeV) was measured. The total cross section peaked at 30 MeV with a value of 108±14.6 (13.5%) mbarn. The <sup>34m</sup>Cl cumulative yield reached 591±80 (13.5%) mCi/μAh with a 67.5-MeV proton beam exiting at 20 MeV. The potential to produce <sup>34m</sup>Cl for research and radiopharmaceutical syntheses is discussed based upon current accelerator capabilities. Other aspects of the potential use of <sup>34m</sup>Cl (i.e. radionuclidic, radiochemical purities, specific activities) are also discussed.</p></div>","PeriodicalId":14288,"journal":{"name":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","volume":"43 11","pages":"Pages 1375-1381"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0883-2889(92)90011-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80490313","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: 8
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