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The most famous case of ricin poisoning was in 1978 when dissident Bulgarian writer Georgi Markov was killed when an assassin in London jabbed him with an umbrella that injected a tiny ricin ...
Axel Rudakubana, 18, will appear at Westminster Magistrates’ Court by video link on Wednesday charged with production of a biological toxin called ricin What is ricin? Poison which Southport ...
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.
Ricin quickly and irreversibly inhibits ribosomes, the molecular machines responsible for producing proteins in all cells. [182] The LD 50 in adults is only about 22 μg/kg when injected or inhaled; ingested ricin is much less toxic due to the digestive activity of peptidases , although a dose of 20 to 30 mg/kg, or about 4 to 8 seeds, can still ...
In 2003, a package and letter sealed in a "ricin-contaminated" envelope was intercepted in Greenville, South Carolina, at a United States Postal Service processing center. [16] Ricin was detected in the mail at the White House in Washington, D.C., in November 2003. The letter containing it was intercepted at a mail handling facility off the ...
BOSTON (Reuters) - A Vermont woman who planned to poison herself manufactured the deadly ricin substance in the retirement home where she lived and tested it on her fellow residents, federal ...
The Wood Green ricin plot was an alleged bioterrorism plot to attack the London Underground with ricin poison. The Metropolitan Police Service arrested six suspects on 5 January 2003, [ 1 ] [ 2 ] with one more arrested two days later.
According to the Guinness World Records, this is the world's most poisonous common plant. [22] If ricin is ingested, symptoms commonly begin within two to four hours, but may be delayed by up to 36 hours. These include a burning sensation in mouth and throat, abdominal pain, purging and bloody diarrhea.