Clinical Chemistry
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Clinical Chemistry 22: 1105-1106, 1976;
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Clinical Chemistry, Vol 22, 1105-1106, Copyright © 1976 by American Association for Clinical Chemistry

Direct use of ion-exchange papers in hemagglutination-inhibition tests for drug abuse

GJ Alexander

I modified a procedure for screening urine specimens for evidence of drug abuse, to permit direct use of commercially available ion-exchange papers in hemagglutination-inhibition assay for drug detection. Small circles punched out of the papers, which previously had been impregnated with drug-containing urine, were used in the detection step, leaving the remainder of the specimens on paper available for confirmatory analyses. The procedure is useful in screening for the presence of opiates, methadone, and (or) barbiturates.




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Copyright © 1976 by the American Association for Clinical Chemistry.