[quick news] February 14, 2020 US media: Russian scientists found that nano silver masks may help prevent new coronavirus

US media: Russian scientists have found that nano silver masks may help prevent new coronavirus According to a recent report on the website of Newsweek, scientists hope that a material they claim can kill bacteria and viruses can be used for masks to help cope with the new coronavirus pneumonia epidemic According to the report, the main component of the material is nano silver with antibacterial properties, which is prepared by melt spraying process Alexander zanovich Medvedev, who works on the project, explained that the polypropylene fiber with a diameter of 1 micron was made Medvedev is currently in charge of a laboratory of the Siberian Branch of the Russian Academy of Sciences, and it is unclear whether the study has been published in a peer-reviewed journal Http:// 5g network signal can cause cancer? FDA report: there is no evidence, and there is no need to worry about US media According to a new report, after reviewing 11 years of open scientific research, the US Food and Drug Administration (FDA) is still convinced that exposure to radio waves from mobile phones will not cause significant health risks According to Bloomberg News website recently reported, the report said: "the current epidemiological and cancer incidence rate data continue to support the agency's judgement that mobile phone exposure limits or below this limit will not cause a measurable harmful health impact on humans." The report said that the first mock exam of global 5G network has aroused the concern of radio-frequency radiation on health It also pointed out that there is no solid evidence and no unified model to support the concerns about cancer or cancer Http:// on average, novel coronavirus pneumonia infected 3.77 people? On average, each patient infected with the new coronavirus will infect about 3.77 people, which is higher than that disclosed in previous studies This conclusion comes from a new coronavirus study published on medrxiv on February 12 Based on the analysis of nearly 9000 cases in 30 provincial administrative regions in China, it is the largest new coronavirus study so far The authors of the study are from the Institute of microbial epidemiology, the National Center for Disease Control and prevention and the University of Florida The age of patients with severe pneumonia was significantly older than that of patients with mild pneumonia and non pneumonia, and 61.5% of them were men Https:// the new micromotor can introduce drugs into specific single cell Israel Institute of technology announced recently, Gilad, Institute of Mechanical Engineering ·Professor Josephine's team has developed a new self-propelled micromachine that can directly introduce drugs, DNA and chemicals into specific single cells through electroporation technology The research was published in the recent journal scientific progress Micromachines, also known as "active particles" or "micromotors", are expected to become nanoscale tools for single cell analysis They can be used as both single cell-based disease diagnosis and testing platform for cell therapy Http://digitalpaper.stdaily.com/http_ HTM? Div = - 1 high fat and high protein diet will aggravate the balance of intestinal microflora in Clostridium difficile infection, which is very important to maintain human health Improper diet will often cause significant changes in intestinal microflora According to a new study published in the Journal of the American Society of Microbiology (mssystems), a high-fat and high protein diet can accelerate the reproduction of Clostridium difficile in the intestinal tract of mice, and further aggravate antibiotic induced Clostridium difficile infection, while a high carbohydrate diet can play a protective role and help prevent this infection http://digitalpaper.stdaily.com/http_