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  • Title: Easy enzyme-linked immunosorbent assay for spectinomycin in chicken plasma.
    Author: Tanaka T, Ikebuchi H, Sawada JI, Okada M, Kido Y.
    Journal: J AOAC Int; 1996; 79(2):426-30. PubMed ID: 8920128.
    Abstract:
    An easy, sensitive, competitive indirect enzyme-linked immunosorbent assay (CI-ELISA) for spectinomycin in chicken plasma was developed. Preparation of a spectinomycin-bovine serum albumin conjugate in which the hapten is linked to the carrier protein through the C-4 position is described. Antibodies raised against antigens in rabbits had excellent specificity for spectinomycin, exhibiting a cross-reactivity of 44.0% with dihydrospectinomycin and 13.8% with tetrahydrospectinomycin. No cross-reactivity was observed with other antibiotics. The detection limit of the CI-ELISA was 2 ng/mL (equivalent into 40 ng/mL undiluted chicken plasma) spectinomycin. Known amounts (0.1-100 micrograms/mL) of spectinomycin were added to chicken plasma and then analyzed. Average recoveries were 97-110%. This procedure may be used without prior extraction of samples.
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