saxitoxin


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saxitoxin

[¦sak·sə¦täk·sən]
(biochemistry)
A nonprotein toxin produced by the dinoflagellate Gonyaulax catenella.
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In particular, neurotoxic saxitoxin and its many analogs (STX) can have fatal consequences (Llewellyn et al.
Binding was achieved for two of the major saxitoxin components of PSP, saxitoxin (STX) and gonyautoxin 2/3 (GTX), via two different binding protocols.
Though saxitoxins are largely unknown to the general public, a number of officials consider them to be a public health menace.
Kao, Tetrodotoxin, Saxitoxin and Their Significance in the Study of Excitation Phenomena, 18 PHARMACOLOGICAL REVIEWS 997, 998 (1966).
For material, we choose heavyweight T-shirts similar to the 2-ply battle dress uniform T-shirts used for protective masks against ricin and saxitoxin in mouse experiments (8).
Saxitoxin and other PSTs are potent neurotoxins that block movement of sodium through sodium channels in nerve cell membranes, halting the flow of nerve impulses and thereby causing paralysis.
Saxitoxin blocks sodium channels in nerve and muscle, which arrests impulse conduction and can suppress atrioventricular node conduction.
Ahi el primero se ocupo de la fabricacion y manipulacion de productos letales, como el gas sarin, el soman, el tabum, la clostridium botulinica, el saxitoxin y la tetrodotoxina.
The immediate objective of this project is the development and synthesis of specialty polymeric stationary phases for the purification of saxitoxin and its analogues.
and Any of the following signs and symptoms Memory loss or Confusion or Acute skin burning on direct contact with water or Three or more of the following: Headaches Skin rash Eye irritation Upper respiratory tract irritation Muscle cramps Gastrointestinal complaints Nausea/vomiting TABLE 2 Human Illness Associated With Marine Phytoplankton (28-30) Condition Distribution Toxin(s) Ciguatera fish Pantropical Ciguatoxin and 5 other poisoning toxins; finfish concentrate and remain toxic 2 years; 50,000 cases/year Paralytic shellfish Subarctic to tropic Saxitoxin (blocks Na+ poisoning (primarily American channels) and [greater Samoa, Calif.
at 822-23 (Schedule 1 agents include nerve agents such as sarin, mustard agents, saxitoxin, and ricin).