According to recent research from the United States, "Ricin is a highly toxic, dichain ribosome-inactivating protein present in the seeds of Ricinus communis (castor), grown principally as a source of high quality industrial lubricant and as an ornamental. Because of its presence in industrial byproducts and its documented use for intentional poisoning, there is a need for analytical methodology to quantify ricin in both castor extracts and food matrices."
"We developed a panel of monoclonal antibodies to ricin, with most having strong cross-reactivity with RCA-1, a homologous but less toxic castor agglutinin. Some of the IgM-producing hybridomas appeared to produce a …
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