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>Enzyme-Linked Immunosorbent Assays for Determination of Plasma Aldosterone Using Highly Specific Polyclonal Antibodies
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Enzyme-Linked Immunosorbent Assays for Determination of Plasma Aldosterone Using Highly Specific Polyclonal Antibodies
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机译：Enzyme-Linked Immunosorbent Assays for Determination of Plasma Aldosterone Using Highly Specific Polyclonal Antibodies
Two enzyme-linked immunosorbent assays were established and compared for the estimation of plasma aldosterone. In the first method immobilized aldosterone-protein complexes on the ELISA plates compete with aldosterone to be determined for the binding of certain amount of anti-aldosterone antibodies. The sensitivity of this method depends on the protein carrier used to conjugate with aldosterone. In the second method, anti-aldosterone antibodies adsorbed on ELISA plates compete for binding of known amount of the enzyme-labeled aldosterone and aldosterone to be determined. The highly specific rabbit anti-aldosterone antibodies were obtained by injection of aldosterone-oxime thyroglobulin. The detection limit of aldosterone in both methods ranged between 2-20 pg. The proposed assays are suitable for the determination of aldosterone in biological fluids compared with other reported ELISA assays, as well as with RIA.
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