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Ricin (/ ˈ r aɪ s ɪ n / RY-sin) is a lectin (a carbohydrate-binding protein) and a highly potent toxin produced in the seeds of the castor oil plant, Ricinus communis.The median lethal dose (LD 50) of ricin for mice is around 22 micrograms per kilogram of body weight via intraperitoneal injection.
During the court proceedings, prosecutors drew attention to the ricin segment, stating that the men were "collecting information on the manufacture and use of ricin." However, other than the videotape, no materials associated with ricin production were found in any of the raids. [4] [10] [11]
April 2013 ricin letters: Ricin: 0 0 Washington, D.C., United States: An envelope that preliminarily tested positive for ricin was intercepted at the US Capitol's off-site mail facility in Washington, D.C. According to reports, the envelope was addressed to the office of Mississippi Republican Senator Roger Wicker. James Everett Dutschke [8] [9]
The U.S. conducted tests concerning two methods of ricin dissemination: the first, which involved adhering the toxin to shrapnel for delivery by artillery shell, was successful; [1] the second, delivering an aerosol cloud of ricin, was proven less successful in these tests. [1] Neither delivery method was perfected before the war in Europe ...
Peter Hermann Stillmark (22 July 1860, Penza, Russian Empire – 23 June 1923, Pärnu, Estonia) was a Baltic-German microbiologist.. In 1888 at the University in Dorpat, now Tartu in Estonia under Professor Rudolf Kobert's supervision, he completed his doctoral thesis Über Ricin, ein giftiges Ferment aus den Samen von Ricinus comm. L. und einigen anderen Euphorbiaceen, which is a description ...
The 2003 ricin letters were two ricin-laden letters found on two occasions between October and November 2003. One letter was mailed to the White House and intercepted at a processing facility; another was discovered with no address in South Carolina.
A Marine Corps veteran who authorities said tried to fake his own death after a falling out with a Virginia-based militia group pleaded guilty Wednesday to illegal possession of ricin, a ...
'Brigham' is a variety with reduced ricin content adapted for Texas, US. It grows up to 1.8 m (5 ft 11 in) and has 10% of the ricin content of 'Hale' 'BRS Nordestina' was developed by Brazil's Embrapa in 1990 for hand harvest and semi-arid environments 'BRS Energia" was developed by Embrapa in 2004 for mechanised or hand harvest