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radiochemical purity
相关语句
  放化纯度
    The labeled complex 131I-YP13, 131I-mPEG-YP13 and 131I-YR13 were isolated and purified by RP-HPLC. The radiochemical purity was estimated to be better than 95%.
    RP-HPLC分离纯化YP13、mPEG-YP13和对照随机十三肽YR13(YEDIKPKTSLAFR)131I标记产物,放化纯度大于95%.
短句来源
    Results Antiserum affinity constant(Ka) was 1.33×1010L/mol. Iodination percentage of F protein was 34.8%,the specific activity of the product was 3548GBq/g,the radiochemical purity 92.0%,ED50(22.39±4.15)μg/L, NSB<5.0%. The sensitivity was 1.26μg/L, and the assay covered range 0~80μg/L.
    结果抗血清亲和常数Ka值为1.33×1010L/mol,F蛋白的标记率为34.8%,放化纯度为92.0%,比活度为3548GBq/g,标准曲线ED50为(22.39±4.15)μg/L,非特异性结合率(NSB)<5.0%,灵敏度为1.26μg/L;
短句来源
    Determination of Radiochemical Purity of ~(18)F-fluorodeoxyglucose Injection
    ~(18)FDG注射液放化纯度的测定
短句来源
    (1) Sodium gluconate or tartrate were selected as chelate agent respectively, (2) The radiochemical purity was determined every an hour from Ih to 6h after labeling, (3) the pH value of acetate buffer from 3.8 to 5.8, (4) the volume of l88Re perrhenate from 50?
    (2)分别在标记后1、2、3、4、5、6h测定放化纯度; (3)乙酸缓冲液pH值从3.8至5.8;
短句来源
    (2) When the keeping time of reaction was 5h, the radiochemical purity of 188Re-BSA was (91.6 ? 3.35)%, (3) When the pH value of acetate buffer was 5.0, the radiochemical purity of l88Re-BSA was (95.2 ?.6)%, (4) When the volume of l88Re perrhenate was 100?
    (3)乙酸缓冲液pH值5.0时~(188)Re标记牛血清白蛋白放化纯度达到(95.2±0.6)%; (4)淋洗液体积100μL时~(188)Re标记牛血清白蛋白放化纯度为(88.9±5.1)%;
短句来源
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  放射化学纯度
    ANALYSIS OF RADIOCHEMICAL PURITY (RCP) OF ~(99)Tc~m-MAG_3 INJECTION
    ~(99)Tc~m-MAG_3注射液的放射化学纯度分析
短句来源
    Rapid determination of the radiochemical purity of  ̄(99m)Tc-HMPAO by mini-paper chromatography
    小纸层析法快速测定~(99m)Tc—HMPAO放射化学纯度
短句来源
    Analysis of the Radiochemical Purity of DTPA-Coupled Anti-CEA Monoclonal Antibody Labeled With Samarium-153
    ~(153)Sm标记DTPA-抗CEA单抗的放射化学纯度的分析
短句来源
    Determination of Radiochemical Purity of ~(125)I-TOC and ~(125)I-F-PGA
    ~(125)I-TOC和~(125)I-F-PGA放射化学纯度的测定
短句来源
    For radiochemical purity values ranging from 74.2%- 96.4% (n=30), the MPC and TLC/PC methods correlated closely (r= 0.97) with a regression equation of MPC (%) = 1.006 TLC/PC-0.323.
    放射化学纯度在74.2%-96.4%(n=30),小纸层析法与薄层/纸层析法紧密相关(r=0.97,P<0.001),回归公式y=1.006x-0.323.
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  “radiochemical purity”译为未确定词的双语例句
    The radiochemical purity was determined by ITLC-SG with butyl alcohol/ethanol/ ammonia (5/1/2), Rf of 131/125I-Annexin V was 0.0-0.1. HPLC: GF250 column, 0.01 mmol/L PBS elute, flow ratel .
    ITLC-SG薄层分析,展开体系为正丁醇/乙醇/氨水(5/1/2),Rf:标记物=0.0-0.1,Γ=0.5-0.7,碘酸=0.7-0.9。
短句来源
    Background and Objective The goals of this study were to label the antisense oligodeoxynucleotides(ASODN) indirectly by Chloramine T method and Iodogen method, then to discuss the labeling yields、radiochemical purity、specific activity and stability in different conditions.
    目的与研究背景:本课题采用氯胺-T法和Iodogen法两种标记方法进行反义寡脱氧核苷酸的125I间接标记对比研究,并在两种方法中分别探讨不同反应条件下的标记率及标记产物的放化纯、比活度和稳定性。
短句来源
    In all the 220 times of determination for the radiochemical purity of a portion of imaging agents, there were 15 times in which the labeling efficiency was lower than 90% and only 3 times in which the radiolabeling failed.
    经对部分显像剂做的220次放化纯测定得:其中15次标记率小于90%,3次标记失败.
短句来源
    Results: 99mTc-GSH could be prepared by adding 99m TcO to the kit for 30min at room temperature and showd high radiochemical purity of 99% .
    结果:室温下该药盒与99mTcO4混合30分钟后,得标记率大于99%的99mTc-GSH,标记方法简便;
短句来源
    The results show that 99 Tc m ECD prepared by EDTA ligand exchange reaction is very stable, the radioactivity doesn ,t influence the radiochemical purity and lipophilic fraction, the best pH limits is ranged from 5 to 8, and 360 μg EDTA amounts with 2~6 mL volume is suitable.
    结果表明,用EDTA交换法标记99Tcm-ECD时,放射性浓度对标记影响不大,pH5~8范围宽,容易标记,EDTA用量为360μg和反应体积在2~6mL为宜;
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  radiochemical purity
The optimal amounts of DMAE (25 μl in 50 μl of ethanol) and tC18 (0.1 g) were found, providing a high radiochemical yield of the labeled choline (85%, corrected for radioactive decay) and radiochemical purity of more than 99.5%.
      
With 166Ho-albumin microspheres as example, an algorithm was developed for evaluation of the radiochemical purity of the preparation.
      
It was found that the radiochemical purity of the preparation, which is primarily determined by impurities of rare-earth elements, can be estimated from the content of 152mEu.
      
A simple "dry" procedure was developed for isolation of 186Re with a yield no less than 85% and radiochemical purity no worse than 99.99%.
      
The radiochemical purity of a 131I preparation (the iodide fraction) was determined by ascending paper chromatography using a mixture of sodium iodide, sodium iodate, and sodium carbonate as a carrier and aqueous methanol as an eluent.
      
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The t-butylisonitrile compound is synthesized. The cationic complex Tc- 99m hexakis (t-butylisonitrile) technetium (TBI) is labelled by kit method. The reaction is accomplished in boilling water for 1 min(or at 80℃ for 5 min). The labelling efficiency and radiochemical purity of ~(99m)T-TBI are both more than 98%. The animal studies indicate that ~(99m)Tc-TBI is an excellent myocar- dial perfusion imaging agent. It has had succese in human bodies as well.

本文在国内首次报导用自己合成的特丁基异腈制备成功~(99m)Tc-TBI标记物.采用药盒标记法,沸水浴中反应1min(或80℃,反应5min)即可完成.鉴定表明,~(99m)Tc-TBI的标记率及放化纯度均在98%以上,产物无需分离,即可直接用于静脉注射.通过对小白鼠、家兔的研究表明,该标记物在正常心肌中有较高的浓集和较长的保留时问,同时具有相当快的血清除率,是良好的心肌灌注显像剂.该标记物用于国内临床研究亦获成功.

The carbomethoxyisopropyl isonitrile (CPI) is synthesized. The cationic complex ~(99m)Tc-CPI is labelled by kit method. The reaction is accomplished in bolling water for 5~10 min. The labelling efficiency and radiochemical purity of ~(99m)Tc-CPI are both more than 95%. The animal studies indicate that ~(99m)Tc -CPI has high myocardial uptake and rapid lung and liver clearance in dog and rabbit.

采用以α-氨基异丁酸为起始物制备甲酯异丙异腈的化学合成路线,并用自己合成的产物成功地制备了放射性~(99m)Tc-CPI标记化合物.通过聚酰胺薄片层析鉴定表明,~(99m)Tc-CPI的标记率及放化纯均在95%以上,产物无须分离,即可直接用于静脉注射.

The preparation of 125I(131I)-anti-CEA monoclonal antibody by using several radio-iodination methods (Iodogen, ChT, NBS, and Bolton-Hunter reagent etc.) was described. Purification of the product was carried out by the Sephadex G-50 (or 75) gel-filtration column. Its radiochemical purity checked by paper chromatography and HPLC was satisfactory for use. The labelled antibody showed good immunoreactivity, when it was measured by IRMA-bi-antibody sandwich method. The comparative studies for above several...

The preparation of 125I(131I)-anti-CEA monoclonal antibody by using several radio-iodination methods (Iodogen, ChT, NBS, and Bolton-Hunter reagent etc.) was described. Purification of the product was carried out by the Sephadex G-50 (or 75) gel-filtration column. Its radiochemical purity checked by paper chromatography and HPLC was satisfactory for use. The labelled antibody showed good immunoreactivity, when it was measured by IRMA-bi-antibody sandwich method. The comparative studies for above several radioiodination methods were carried out, among which the iodination efficiency of NBS method was the best (98%) while the immunoreactivity of lodogen method was the best and specific binding of labelled antibody to CEA was 9960 cpm (3ng CEA/ 250 μl).

本文报道用几种碘标记方法(Iodosen、ChT、NBS、Bolton-Hunter试剂等)制备了~(125)I(~(131)I)-抗CEA单克隆抗体。产品通过Sephacex G-50(或-75)柱凝胶过滤纯化后,经纸层析和高压液相层析法鉴定,其放化纯度达到使用要求;用免疫放射双抗体夹心法测定,标记抗体能保持良好的免疫活性。同时我们对上述几种碘标方法进行比较研究,结果NBS法标记率最高,达98%,Iodogen法免疫活性保持最好,与CEA的净结合数达9960cpm(3ng CEA/250μl)。

 
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