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Science 6 February 1981:
Vol. 211. no. 4482, pp. 586 - 588
DOI: 10.1126/science.7455697
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Articles

Science, Vol 211, Issue 4482, 586-588
Copyright © 1981 by American Association for the Advancement of Science

articles

Specific and sensitive radioimmunoassay for 3-methoxy-4-hydroxyphenylethyleneglycol (MOPEG)

TK Keeton, H Krutzsch, and W Lovenberg

Antibodies that specifically bind the norepinephrine metabolite 3-methoxy-4-hydroxyphenylethyleneglycol (MOPEG) were produced in rabbits after injection of a derivative of MOPEG conjugated with bovine thyroglobulin. A sensitive radioimmunoassay was devised with this antiserum, in which as little as 0.5 nanogram of MOPEG can be accurately measured with a final antibody dilution of 1:180. The antibody appears to be specific for MOPEG, since tritiated MOPEG was not displaced from the antibodies by norepinephrine, epinephrine, dopamine, serotonin, or their major metabolites including MOPEG-sulfate (333 nanograms each).




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Science. ISSN 0036-8075 (print), 1095-9203 (online)