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Herbal food supplements are supposed to be potent natural plant medicines to improve our health. Unfortunately, dangerous chemical-tainted supplements have flooded the market, undermining the credibil…
PharmaTimes reported on December 17 that the European Medicines Agency's Committee for Medicinal Products for Human Use (CHMP) recommended the approval of seven drugs. The committee supports the appro…
Because the ELISA can be performed to evaluate either the presence of antigen or the presence of antibody in a sample, it is a useful tool for determining serum antibody concentrations (such as with t…
Before the development of the ELISA, the only option for conducting an immunoassay was radioimmunoassay, a technique using radioactively labeled antigens or antibodies. In radioimmunoassay, the radioa…
As an analytical biochemistry assay, ELISA involves detection of an "analyte" (i.e. the specific substance whose presence is being quantitatively or qualitatively analyzed) in a liquid sample by a met…
The enzyme-linked immunosorbent assay (ELISA) is a commonly used analytical biochemistry assay, first described by Weiland in 1978. The assay uses a solid-phase enzyme immunoassay (EIA) to detect the…