然而，一旦致死毒素达到一定浓度时，由于竞争效应，CLBP亲和力较低，无法与底物有效结合，从而导致协同作用效应消失。
But when concentration of CTX is high to some extent, CLBP can't combine with substrate because of competition effect, thus the synergic effect disappeared.
蓝藻“水华”含有毒素，微囊藻毒素分子量为904，实验中可使小白鼠肝脏充血肿大致死。
The water bloom of blue algae can produce toxin and the molecular amount of toxin is 904.
当注射或吸入少量，仅半毫克的蓖麻毒素就会致死。
When injected or inhaled, as little as one-half milligram of ricin is lethal to humans.
当注射或吸入少量，仅半毫克的蓖麻毒素就会致死。
When injected or inhaled, as little as one-half milligram of ricin is lethal to humans.
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