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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 27, Number 3
BKCSDE 27(3)
March 20, 2006

Title	Bioluminescence Single-Site Immunometric Assay for Methamphetamine Using the Photoprotein Aequorin as a Label
Author	Hyun Sook Kim, Insook Rhee Paeng*
Keywords	Bioluminescence immunoassay, Single-site immunometric assay, Methamphetamine, Aequorin
Abstract	Bioluminescence single-site immunometric assay for methamphetamine (MA) using the native aequorin, a photoprotein, as a signal generator was developed for the first time. MA is a potent sympathomimetic amine with stimulant effects on the central nervous system. MA abuse induces hallucinations and, thus, may cause a serious social problem. The single-site immunometric MA assay was optimized and its dose-response behavior was examined. The dose-response curve shows that the detection limit is 1.1 × 10^-10 M and a dynamic range is four orders of magnitude with 15 μg/mL BSA-MA conjugate and 1.0 × 10^-8 M anti-MA antibody-biotin conjugate. In order to evaluate this assay, the structurally similar compounds, amphetamine, ephedrine, norephedrine, benzphetamine and N-4-(aminobutyl)methamphetamine were examined for their crossreactivity. None of these five compounds showed any cross-reactivity. Additionally, an artificial urine solution spiked with MA was analyzed by the MA assay, and the result of the analysis demonstrated the usefulness of the present assay for the determination of MA in urine.
Page	407 - 412
Full Text	PDF

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