Results by fluorescent immunoassay for phenytoin compared with those by enzyme immunoassay, liquid chromatography, and discrete analysis (Dupont aca)

G. Gonzalez, A. Cid-Amador, Bernard W Steele, A. Castro

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We describe the Ames Fluorescent Enzyme Immunoassay procedure for the detection of phenytoin in serum, and compare the results with it with those by enzyme immunoassay(EMIT), 'high-pressure' liquid chromatography, and the Dupont aca. Sera from 48 patients who were receiving phenytoin were promptly analyzed in duplicate by EMIT, frozen, then assayed within four weeks by the other three methods. Correlation was good between results by the fluorescent immunoassay and the other methods. The fluorescent immunoassay procedure is sensitive and requires a small sample volume (100 μL). Sample reading time can be shortened from 30 to 15 s as the technician becomes more proficient, with no sacrifice of accuracy. The procedure is fast, easy to perform, specific, sensitive, and inexpensive; involves no radioactivity; and requires no temperature control. It is the current method of choice for detection of phenytoin in serum, in terms of precision and accuracy.

Original languageEnglish
Pages (from-to)1494-1496
Number of pages3
JournalClinical Chemistry
Volume28
Issue number7
StatePublished - Jan 1 1982

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Liquid chromatography
Phenytoin
Immunoenzyme Techniques
Immunoassay
Liquid Chromatography
Enzymes
High pressure liquid chromatography
Radioactivity
Temperature control
Serum
Reading
High Pressure Liquid Chromatography
Temperature

ASJC Scopus subject areas

  • Clinical Biochemistry

Cite this

Results by fluorescent immunoassay for phenytoin compared with those by enzyme immunoassay, liquid chromatography, and discrete analysis (Dupont aca). / Gonzalez, G.; Cid-Amador, A.; Steele, Bernard W; Castro, A.

In: Clinical Chemistry, Vol. 28, No. 7, 01.01.1982, p. 1494-1496.

Research output: Contribution to journalArticle

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