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  • 标题:RADIOIMMUNOASSAY OF BENCYCLANE IN HUMAN SERUM
  • 本地全文:下载
  • 作者:ZEN-ICHI MOHRI ; TAEKO YASUDA ; KAZUO KAWAHARA
  • 期刊名称:Biological and Pharmaceutical Bulletin
  • 印刷版ISSN:0918-6158
  • 电子版ISSN:1347-5215
  • 出版年度:1985
  • 卷号:8
  • 期号:3
  • 页码:227-233
  • DOI:10.1248/bpb1978.8.227
  • 出版社:The Pharmaceutical Society of Japan
  • 摘要:A radioimmunoassay of bencyclane in human serum was developed. Male rabbits were immunized with p-(3-carvboxy-propoxy) bencyclane-bovine serum albumin conjugate, giving antisera with high titers. 125I-p-Hydroxybencyclane with a high specific activity was prepared as a labelled antigen by a chloramine-T method. In the radioimmunoassay procedure, a mixture of serum sample, diluted antiserum and 125I-antigen solution were incubated at 4°C for 18 h, and bound-free separation was carried out by a dextran-coated charcoal method. The detection limit of bencyclane in human serum was 1.0 ng/ml, and the crossreactivity of the antiserum with metabolites was found to be wery low. Serum samples from healthy volunteers dosed orally with bencyclane fumarate were analyzed by both of the radioimmunoassay and gas chromatography-mass spectrometric methods. An excellent correlation was observed between the values obtained by both methods.
  • 关键词:cross-reactivity serum level
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