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math, physics, and chemistry
>
savageness antibacterial material
日本研究人员近日成功利用人体细胞生成了一种
天然抗菌物质
。科学家从人小肠壁上提取出制造抗菌缩氨酸的细胞,并在实验室中模拟病菌感染的情况,成功刺激这些细胞产生了数毫克抗菌缩氨酸。研究人员随后对引起食物中毒的沙门氏菌施以这种抗菌缩氨酸,结果有近70%的细菌死亡。