They were close to weaponizing ricin —a lethal plant toxin.
他们快把蓖麻毒素——一种致命的植物毒素——研发为武器了。
The assay detects small amounts of ricin more accurately and faster than ever before.
该检测方法可比以前更准确而快速的检出少量蓖麻毒素。
AIM: To prepare recombinant ricin A-chain (RTA) protein with high biological activity.
目的：制备有高生物活性的重组蓖麻毒素a链蛋白(RTA)。
Snake venom, cytotoxin and plant poisonous protein such as ricin all have the defence function.
蛇毒、胞毒素及植物毒蛋白质，如蓖麻蛋白等，均具有防御功能。
Results:It showed that the toxicity of ricin for U937 cell has time responses and dose responses.
结果：蓖麻毒素对U937细胞的毒性具有时间效应和剂量效应。
Conclusion in vitro, the cytotoxicity of ricin containing galactosyl ceramide liposomes is much higher than that of free ricin.
结论蓖麻毒蛋白糖脂脂质体包封物在体外实验中对肝细胞的杀伤作用明显强于游离蓖麻毒蛋白。
The poison is ricin, which is so toxic that workers who collect the seeds have strict safety guidelines to prevent accidental death.
其中的毒素是蓖麻毒素，剧毒无比以至于采集蓖麻子的工人须严格遵守安全守则以防止发生意外事故。
Ricin has also been used as an anticancer agent by linking it to antibodies that home to tumors and deliver the ricin 'warhead' to kill cancer cells.
蓖麻毒素已经作为一种抗肿瘤制剂被使用，通过将其与抗体相连，从而直指肿瘤并且释放蓖麻毒素“子弹”以杀死肿瘤细胞。
White House spokesman Jay Carney says the FBI is conducting further tests to confirm the initial readings that the letters contained the poison ricin.
白宫发言人杰伊·卡尼表示，联邦调查局正在进行进一步的检测，初步检测结果表明信件中含有蓖麻毒素。
This method was also successfully applied in the determination of some ricin samples in the First International Proficiency Test on the quantification of ricin.
将该方法成功地应用于第一届蓖麻毒素国际实验室间比对测试的部分样品，含量测定结果满意。
Using homology method, mutant ricin toxin A-chain(MRTA) deleting part of amino acid sequence was modeled by molecular mechanics optimization and molecular dynamics simulated annealing.
利用同源模建的方法，借助分子力学优化、分子动力学模拟退火设计构建了删除部分氨基酸序列的蓖麻毒素A链突变体（MRTA）。
Using homology method, mutant ricin toxin A-chain(MRTA) deleting part of amino acid sequence was modeled by molecular mechanics optimization and molecular dynamics simulated annealing.
利用同源模建的方法，借助分子力学优化、分子动力学模拟退火设计构建了删除部分氨基酸序列的蓖麻毒素A链突变体（MRTA）。
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