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Radioimmunoassay of Pinellia ternata lectin 半夏凝集素的放射免疫分析
The International journal of applied radiation and isotopes Pub Date : 1985-12-01 DOI: 10.1016/0020-708X(85)90252-2
Jae-Rok Kim, Kyung-Bae Park, Ok-Doo Awh
{"title":"Radioimmunoassay of Pinellia ternata lectin","authors":"Jae-Rok Kim,&nbsp;Kyung-Bae Park,&nbsp;Ok-Doo Awh","doi":"10.1016/0020-708X(85)90252-2","DOIUrl":"10.1016/0020-708X(85)90252-2","url":null,"abstract":"<div><p>Radioimmunoassay of <em>Pinellia ternata</em> lectin (PTL) in rabbit serum and in root extract has been tried. The PTL was labelled with <sup>125</sup>I using chloramine-T, and the labelled product was purified by gel chromatography. Standard suppression lines were obtained and the parallelism in serum or buffer was demonstrated. The assay time was 48 h with an intra- and inter-assay coefficient of variation of less than 12%. The PTL content in dried <em>Pinellia ternata</em> roots was about 28±3 mg/g. More than 40% of the i.v. injected PTL to rabbits was retained in serum at 1 h post administration.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 12","pages":"Pages 943-945"},"PeriodicalIF":0.0,"publicationDate":"1985-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90252-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15025123","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
Radiobromination of aromatic compounds by cleavage of aryl-tin bonds 芳族化合物的放射性溴化裂解芳基锡键
The International journal of applied radiation and isotopes Pub Date : 1985-12-01 DOI: 10.1016/0020-708X(85)90250-9
M.J. Adam, T.J. Ruth, Y. Homma , B.D. Pate
{"title":"Radiobromination of aromatic compounds by cleavage of aryl-tin bonds","authors":"M.J. Adam,&nbsp;T.J. Ruth,&nbsp;Y. Homma ,&nbsp;B.D. Pate","doi":"10.1016/0020-708X(85)90250-9","DOIUrl":"10.1016/0020-708X(85)90250-9","url":null,"abstract":"<div><p>Radiobrominated (<sup>77,82</sup>Br) aromatic compounds were synthesized by the cleavage of aryl-tin derivatives with oxidized low specific activity <sup>82</sup>Br or no-carrier-added (NCA) [<sup>77</sup>Br]bromide. Both chloramine-T and N-chlorosuccinimide, when used as oxidants, gave near quantitative yields within 5 min.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 12","pages":"Pages 935-937"},"PeriodicalIF":0.0,"publicationDate":"1985-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90250-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88501201","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: 18
G(Fe3+) values in the FBX dosimeter at low dose-rates 低剂量率下FBX剂量计中的G(Fe3+)值
The International journal of applied radiation and isotopes Pub Date : 1985-12-01 DOI: 10.1016/0020-708X(85)90261-3
B.L. Gupta, U. Madhvanath
{"title":"G(Fe3+) values in the FBX dosimeter at low dose-rates","authors":"B.L. Gupta,&nbsp;U. Madhvanath","doi":"10.1016/0020-708X(85)90261-3","DOIUrl":"10.1016/0020-708X(85)90261-3","url":null,"abstract":"<div><p>Radiolytic oxidation of ferrous ions was studied in the FBX dosimetry system at extremely low dose-rates using <sup>60</sup>Co γ rays and <sup>210</sup>Po α particles. At high dose-rates, though the system is independent of the dose-rate, the G(Fe<sup>3+</sup>) value increases by about 50% at 0.1 cGy/h, for γ rays. It is about 150 times larger for α particles in the range of 0.1–0.7 cGy/h.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 12","pages":"Pages 985-987"},"PeriodicalIF":0.0,"publicationDate":"1985-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90261-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75447659","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
The catalytic oxidation of 14CO in a flow reactor used to measure atmospheric hydroxyl radical concentrations 用于测量大气羟基自由基浓度的流动反应器中14CO的催化氧化
The International journal of applied radiation and isotopes Pub Date : 1985-12-01 DOI: 10.1016/0020-708X(85)90246-7
J.Carl Farmer , C.A. Fitzner , M.J. Campbell , M.N. Henry , J.C. Sheppard
{"title":"The catalytic oxidation of 14CO in a flow reactor used to measure atmospheric hydroxyl radical concentrations","authors":"J.Carl Farmer ,&nbsp;C.A. Fitzner ,&nbsp;M.J. Campbell ,&nbsp;M.N. Henry ,&nbsp;J.C. Sheppard","doi":"10.1016/0020-708X(85)90246-7","DOIUrl":"10.1016/0020-708X(85)90246-7","url":null,"abstract":"<div><p>Measurements of ultra-low CO oxidation rates of materials suitable for construction of a hydroxyl radical monitor are described. The procedure consists of passing an ultrapure <sup>14</sup>CO tracer over the test material and collecting the resultant <sup>14</sup>CO<sub>2</sub>. Oxidation rates are measured for stainless steel, aluminum, alumina, titanium, and Teflon. Results show the oxidation rate with aluminum is at least an order of magnitude less than any other material (&lt;10<sup>4</sup> cm<sup>−2</sup>s<sup>−1</sup>). These rates are three to four orders of magnitude lower than reported previously in the literature. Application to a ground-based hydroxyl monitor is discussed.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 12","pages":"Pages 915-918"},"PeriodicalIF":0.0,"publicationDate":"1985-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90246-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81631074","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: 3
Annealing cycle effects on the TL sensitivity of CaF2 : Tm (TLD-300) 退火循环对CaF2: Tm (TLD-300) TL灵敏度的影响
The International journal of applied radiation and isotopes Pub Date : 1985-12-01 DOI: 10.1016/0020-708X(85)90267-4
C. Furetta, J.W.N. Tuyn
{"title":"Annealing cycle effects on the TL sensitivity of CaF2 : Tm (TLD-300)","authors":"C. Furetta,&nbsp;J.W.N. Tuyn","doi":"10.1016/0020-708X(85)90267-4","DOIUrl":"10.1016/0020-708X(85)90267-4","url":null,"abstract":"<div><p>Several thermal procedures have been studied to obtain the highest sensitivity with the lowest standard deviation. A thermal annealing at 400°C for 2 h has been found to be the best. It seems, however, that different thermal procedures suggested by other workers could be attributed to the different heating and cooling rates in the annealing procedures themselves.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 12","pages":"Pages 1000-1002"},"PeriodicalIF":0.0,"publicationDate":"1985-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90267-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78367522","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
A gas target for radionuclide production with 500 MeV protons 用500兆电子伏质子生产放射性核素的气体靶
The International journal of applied radiation and isotopes Pub Date : 1985-12-01 DOI: 10.1016/0020-708X(85)90249-2
T.J. Ruth, M.J. Adam, J.J. Burgerjon, J. Lenz, B.D. Pate
{"title":"A gas target for radionuclide production with 500 MeV protons","authors":"T.J. Ruth,&nbsp;M.J. Adam,&nbsp;J.J. Burgerjon,&nbsp;J. Lenz,&nbsp;B.D. Pate","doi":"10.1016/0020-708X(85)90249-2","DOIUrl":"10.1016/0020-708X(85)90249-2","url":null,"abstract":"<div><p>The TRIUMF 500 MeV cyclotron produces proton beams of up to 140 μA. It has been used in conjunction with a dual chamber gas target for the production of useful quantities of <sup>11</sup>CO<sub>2</sub> and [<sup>18</sup>F]F<sub>2</sub> which are routinely incorporated into radiotracers for positron emission tomography.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 12","pages":"Pages 931-933"},"PeriodicalIF":0.0,"publicationDate":"1985-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90249-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86273493","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
Mild and regiospecific synthesis of 18F-labelled vinyl fluoride using [18F]flourine reacted with silane 用[18F]氟与硅烷反应合成18F标记的氟乙烯
The International journal of applied radiation and isotopes Pub Date : 1985-12-01 DOI: 10.1016/0020-708X(85)90254-6
Pasquale Di Raddo , Mirko Diksic
{"title":"Mild and regiospecific synthesis of 18F-labelled vinyl fluoride using [18F]flourine reacted with silane","authors":"Pasquale Di Raddo ,&nbsp;Mirko Diksic","doi":"10.1016/0020-708X(85)90254-6","DOIUrl":"10.1016/0020-708X(85)90254-6","url":null,"abstract":"<div><p>A labelled vinyl fluoride of biological interest was prepared in good radiochemical yield by direct fluorination of the corresponding silane. The synthesis of <sup>18</sup>F-labelled 4-fluoroantipyrine, a cerebral blood flow tracer, involved the reaction of 4-(trimethylsilyl) antipyrine with [<sup>18</sup>F]F<sub>2</sub> (0.5% fluorine in neon) or 5% F<sub>2</sub> in nitrogen in freon-11 as solvent. A radiochemical (chemical) yield of about 18% (42%) was obtained in a 25-min synthesis. The radiochemical and chemical purity of the final products was 99% after purification by HPLC.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 12","pages":"Pages 953-956"},"PeriodicalIF":0.0,"publicationDate":"1985-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90254-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15197108","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: 3
Stable isotope composition of sulfates in aerosol particles collected in the Southern California Air Basin 南加州空气盆地收集的气溶胶颗粒中硫酸盐的稳定同位素组成
The International journal of applied radiation and isotopes Pub Date : 1985-12-01 DOI: 10.1016/0020-708X(85)90253-4
William W. Wong , Wai-Kwok Ho , Robert L. Brewer , Isaac R. Kaplan
{"title":"Stable isotope composition of sulfates in aerosol particles collected in the Southern California Air Basin","authors":"William W. Wong ,&nbsp;Wai-Kwok Ho ,&nbsp;Robert L. Brewer ,&nbsp;Isaac R. Kaplan","doi":"10.1016/0020-708X(85)90253-4","DOIUrl":"10.1016/0020-708X(85)90253-4","url":null,"abstract":"<div><p>Aerosol particles were collected at Lennox and Duarte in the Southern California Air Basin with Sierra and, or, Misco cascade impactors at night on 24 July and 25 July 1979, respectively. The concentrations of sulfate, nitrate, and chloride and the <span><math><msup><mi></mi><mn>34</mn></msup><mtext>S</mtext><msup><mi></mi><mn>32</mn></msup><mtext>S</mtext></math></span> ratios (as δ<sup>34</sup>S) of sulfate in these aerosols were determined. A pronounced and repetitive minimum of δ <sup>34</sup>S value in the 0.95- to 1.5-μm fraction was observed at both collection sites. An inverse relationship between the δ <sup>34</sup>S values and sulfate concentration and a significant correlation between the δ <sup>34</sup>S values and chloride content were observed in these samples. The results indicate admixture of marine and industrial sulfate in the aerosol particles.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 12","pages":"Pages 947-951"},"PeriodicalIF":0.0,"publicationDate":"1985-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90253-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72862328","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: 3
Computer-controlled large scale production of high specific activity [11C]RO 15-1788 for PET studies of benzodiazepine receptors 计算机控制大规模生产高比活性[11C]RO 15-1788用于苯二氮卓类受体的PET研究
The International journal of applied radiation and isotopes Pub Date : 1985-12-01 DOI: 10.1016/0020-708X(85)90258-3
K. Suzuki, O. Inoue, K. Hashimoto, T. Yamasaki, M. Kuchiki, K. Tamate
{"title":"Computer-controlled large scale production of high specific activity [11C]RO 15-1788 for PET studies of benzodiazepine receptors","authors":"K. Suzuki,&nbsp;O. Inoue,&nbsp;K. Hashimoto,&nbsp;T. Yamasaki,&nbsp;M. Kuchiki,&nbsp;K. Tamate","doi":"10.1016/0020-708X(85)90258-3","DOIUrl":"10.1016/0020-708X(85)90258-3","url":null,"abstract":"<div><p>Ethyl 8-fluoro-5,6-dihydro-5-[<sup>11</sup>C]methyl-6-oxo-4H-imidazo [1,5-a][1,4]benzodiazepine-3-carboxylate ([<sup>11</sup>C]RO 15-1788) has been prepared automatically with high specific activity for <em>in vivo</em> visualization or quantitative analysis of brain benzodiazepine receptors. The yield, radiochemical yield, radiochemical purity and specific activity of the product ready for an i.v. injection were 276 ± 76 mCi, 50.8 ± 7.8%,99.3 ± 0.3% and 2.9 ± 0.5 Ci/<em>μ</em>mol, respectively, taking an average of the latest 3 runs. The time required was about 25 min. Each product was sufficient to carry out three successive clinical studies by positron emission tomography (PET). All the procedures other than evaporation and filtration at the final stage were carried out with specially designed equipment connected to a central control system for radioisotope production.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 12","pages":"Pages 971-976"},"PeriodicalIF":0.0,"publicationDate":"1985-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90258-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14136339","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: 99
Study of the relationship between the porous structure of controlled porous glasses (CPG) and the course of kinetic curves of isotope exchange in the system CPG—solution 受控多孔玻璃(CPG)的多孔结构与CPG溶液中同位素交换动力学曲线过程的关系研究
The International journal of applied radiation and isotopes Pub Date : 1985-12-01 DOI: 10.1016/0020-708X(85)90264-9
Marek Kosmulski, Andrzej Dawidowicz, Jerzy Szczypa
{"title":"Study of the relationship between the porous structure of controlled porous glasses (CPG) and the course of kinetic curves of isotope exchange in the system CPG—solution","authors":"Marek Kosmulski,&nbsp;Andrzej Dawidowicz,&nbsp;Jerzy Szczypa","doi":"10.1016/0020-708X(85)90264-9","DOIUrl":"10.1016/0020-708X(85)90264-9","url":null,"abstract":"<div><p>Controlled porous glasses were used to study the dependence between the porous structure (obtained by means of the BET method) and the course of the kinetic curves of isotope exchange of ions between an aqueous solution and a surface layer formed on the porous solid. The results indicate that for the materials with a sharp peak on the curve of differential pore size distribution, there is a quantitative dependence between the situation of this peak and the time necessary to obtain −1n(1−<em>F</em>) = 2 where <em>F</em> is the exchange fraction.</p></div>","PeriodicalId":22517,"journal":{"name":"The International journal of applied radiation and isotopes","volume":"36 12","pages":"Pages 993-994"},"PeriodicalIF":0.0,"publicationDate":"1985-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-708X(85)90264-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87375917","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
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