摘要
俄罗斯科学家发现一种可以杀死细菌和病毒的材料,他们希望这种材料能够用于制造口罩,以帮助应对新冠病毒。这种材料的主要成分是具有抗菌特性的纳米银,通过使用熔喷工艺制备而成。从事该项目研究工作的亚历山大·扎诺维奇·梅德韦杰夫在一份声明中说,他和同事把制成的材料装在一个常规三层医用口罩的内层。研究人员测试了这种口罩抵御甲型流感病毒以及葡萄球菌和大肠杆菌的性能。当研究团队将这种新材料口罩与普通口罩做对比时发现,穿透普通口罩的病毒数量要高出一万倍。这种材料能够保护人们免受甲型流感侵袭长达10小时,而普通口罩则需要1到2小时更换一次。所以这种新材料可以杀死以及完全抑制病毒。因为这种口罩可以杀死甲型流感病毒,那么很可能对引起呼吸道感染的其他病毒也有同样的效果。
Russian scientists have created a ma⁃terial that can kill bacteria and viruses,they hope the material could be used in face masks to help tackle the outbreak of the new coro⁃navirus.The material features nanosilver,which has antibacterial properties,and is made using a process known as melt blowing.Alexander Zhanov⁃ich Medvedev,who worked on the project said in a statement that he and colleagues fitted their cre⁃ation in the inner layer of a conventional three-lay⁃er medical mask.Researchers tested the mask against the influenza A virus as well as the staphy⁃lococcus and E.coli bacteria.When the team com⁃pared the new material with that of regular masks,ten thousand times more viruses passed through the latter.It could protect people against influenza A for up to 10 hours,compared to regular masks which need to be changed every one to two hours.So the new material kills,completely deactivates viruses.As the mask kills the influenza A virus,then most likely other viruses that cause respirato⁃ry infections should be exposed to the same effect.
