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Homologous ELISA procedure for the determination of penaeid shrimp vitellogenin ArchiMer
Mendoza, Roberto; Guillaume, Jean-charles; Fauvel, Christian.
Vitellogenin (VTG) was isolated from the haemolymph of Penaeus vannamei by a three step procedure including ultracentrifugation, gel filtration and ion exchange chromatography. VTG was used to raise polyclonal antibodies that were purified by ion exchange chromatography. A two step competitive assay was developed in which VTG could be quantitated by its capacity to inhibit the binding of antibody to the VTG previously adsorbed onto a solid phase. Sensitivity from equilibrium and from non-equilibrium assays was 41 and 2.3 ng/ml respectively. Estimates of within-assay and between-assay variabilities of standard curves were 4.2 and 9.6% respectively. The inhibition curves for dilutions of haemolymph from vitellogenic females, egg yolk extracts and purified...
Tipo: Text Palavras-chave: Pénéidé; Vitellogénine; Vitelline; Immuno-essai (ELISA); Anticorps; Penaeid; Vitellogenin; Vitellin; Immunoassay (ELISA); Antibody.
Ano: 1993 URL: http://archimer.ifremer.fr/doc/00188/29894/28333.pdf
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