《In a first for wearable optics, researchers develop stretchy fiber to capture body motion | News Releases | The Optical Society》

  • 来源专题:上海光机所科技信息监测平台
  • 编译者: petrel
  • 发布时间:2017-10-16
  • 12 October 2017 . In a first for wearable optics, researchers develop stretchy fiber to capture body motion. New fiber could offer safer, more reliable alternative to electrical motion sensors WASHINGTON — The exciting applications of wearable sensors have sparked a tremendous amount of research and business investment in recent years. Sensors attached to the body or integrated into clothing could allow athletes and physical therapists to monitor their progress, provide a mor...

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    • 来源专题:COVID-19科研动态监测
    • 编译者:YUTING
    • 发布时间:2021-12-18
    • A research team at Aarhus University has developed a new molecule that attaches to the surface of SARS-CoV-2 virus particles. This attachment prevents the virus from entering human cells and spreading the infection. The newly developed molecule belongs to a class of compounds known as RNA aptamers and it is based on the same type of building blocks that are used for mRNA vaccines. This makes them much cheaper and easier to manufacture than the antibodies that are currently used to treat COVID-19 and to detect viral infection using rapid antigen tests. An aptamer is a piece of DNA or RNA that folds into a 3D structure that can recognize a specific target molecule of interest. By attaching itself to the virus surface, the RNA aptamer prevents the Spike protein from serving as a key that allows the virus to enter a cell. Hence, the RNA aptamer is not a new type of vaccine but a compound that can potentially stop the virus from spreading in the body once someone is exposed to the virus. The efficient binding to SARS-CoV-2 virus also means that the aptamer can be used to test for COVID-19 infection. "We have started testing the new aptamer in rapid tests and we expect to be able to detect very low concentrations of the virus" says Professor Jørgen Kjems from Aarhus University who is the main author of the article which has just been published in the journal PNAS. Studies in cell culture show that the aptamer works against the previous variants of coronavirus that the researchers had the opportunity to test. "Since we submitted the article for peer review, we have continued our studies and been able to show that it also recognizes the delta variant. Now we are waiting for samples of the newly identified variant, omicron, so we can test whether the aptamer also recognizes that," says Jørgen Kjems.
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    • 来源专题:绿色印刷—可穿戴电子
    • 编译者:张宗鹏
    • 发布时间:2016-04-13
    • Abstract Traditional medical monitoring devices have some significant limitations for requirements of the aging society because of their complex wires. In order to solve these problems, a remote healthcare system is designed and implemented in this paper. This system consists of a BSN (Body Sensor Network), wireless gateways and a remote database. The BSN is used to expand the mobility of the monitoring devices. The PC-based home gateway is used to receive and display the data from sensors and transmit them to the remote database. In order to expand the mobility of the gateways, An Android based mobile phone is selected as a mobile gateway. At last, a simple web access is provided for the remote healthcare.