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P. toxica contains palytoxin, one of the most poisonous substances known. [9] This zoanthid is not the only member of its genus to contain the toxin; that distinction is shared by P. tuberculosa. The latter species has a seasonal cycle, varying in toxicity at different times of year, whereas P. toxica is equally toxic all year round. [10]
Palytoxin, PTX [3] or PLTX [4] is an intense vasoconstrictor, [1] and is considered to be one of the most poisonous non-protein substances known, second only to maitotoxin in terms of toxicity in mice. [5] Palytoxin is a polyhydroxylated and partially unsaturated compound (8 double bonds) with a long carbon chain.
This is the list of extremely hazardous substances defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. § 11002). The list can be found as an appendix to 40 CFR 355. [1] Updates as of 2006 can be seen on the Federal Register, 71 FR 47121 (August 16, 2006). [2]
Biologically speaking, any substance, if given in large enough amounts, is poisonous and can cause death. For instance, several kilograms worth of water would constitute a lethal dose. Many substances used as medications—such as fentanyl—have an LD 50 only one order of magnitude greater than the ED50. An alternative classification ...
But Hamm, seated near the middle of the class with a binder in his lap, wasn’t buying it. He interrupted the man and began to talk about the limitations of his own faith. Mere belief, he knew, wouldn’t be enough to keep him from using again. “It’s hard to say, man,” Hamm told the others. “We’re all addicts. We all have these ...
Many LSD dealers and chemists describe a religious or humanitarian purpose that motivates their illicit activity. Nicholas Schou's book Orange Sunshine: The Brotherhood of Eternal Love and Its Quest to Spread Peace, Love, and Acid to the World describes one such group, the Brotherhood of Eternal Love. The group was a major American LSD ...
The man, however, has since recovered and left the hospital. It's strongly suspected the two were poisoned by aconite, an alkaloid toxin found in the raw roots and flowers of its namesake plant.
Also present are ricinine, an alkaloid, and an irritant oil. According to the 2007 edition of the Guinness Book of World Records, the castor oil plant is the most poisonous in the world, though its cousin abrin, found in the seeds of the jequirity plant, is arguably more lethal. Castor oil, long used as a laxative, muscle rub, and in cosmetics ...