石墨烯口罩！可消灭病毒和细菌

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                    <section data-color="rgb(182, 228, 253)" data-custom="rgb(182, 228, 253)"><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section data-color="rgb(182, 228, 253)" data-custom="rgb(182, 228, 253)"><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><p><p><img src="image/20201014/86b79d371e9862b01189f0252a03b2cd_1.jpg" /></p></p></section><section><section><span><strong></strong></span></section><p><span>医疗器械媒体报道先锋</span></p><p><span>分享专业医疗器械知识</span></p></section><section><section><section><span>关注</span></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section><section data-role="paragraph"><section data-tplid="89781" data-tools="gulangu"><section data-tools="gulangu" data-id="95298"><section><section><section><span></span></section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><section powered-by="gulangu"><p><br  /></p><p><span>近日，香港城市大学的研究人员开发了一种含有激光诱导石墨烯的口罩，可以杀死细菌，并显示出灭活冠状病毒的潜力。石墨烯层具有抗菌性能，当暴露在阳光下时会产生热量，这可能是其灭活冠状病毒能力的基础。研究人员希望这种口罩能有助于减少当前新冠肺炎大流行期间的病毒传播和感染。</span></p><p><span><br  /></span></p><p><span><p><img src="image/20201014/a72332a07350e53f91338df561d0b0c5_2.jpg" /></p></span></p><p><span><br  /></span></p><p><span>口罩是我们抗击新冠肺炎的重要武器，但如果使用不当，它们会造成感染风险。病毒颗粒会附着在口罩上，如果接触或处理不当，可能会感染他人。一种能使病毒颗粒或其他病原体在其表面失活的面具现在非常有用。此外，目前使用的口罩数量庞大，而且许多口罩不可重复使用，这是一个环境问题。可重复使用的口罩有助于使佩戴口罩成为一种更可持续的活动。</span></p><p><br  /></p><p><p><img src="image/20201014/210021af68f0cdb0a1ce3268f2cefa98_3.jpg" /></p></p><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section></section></section></section></section></section></section></section></section><p><br  /></p><p><span>为了解决这些问题，研究人员开发了一种用激光诱导石墨烯制成的掩模。他们通过让红外激光穿过含碳聚酰亚胺薄膜来生产这种材料，从而形成多孔石墨烯层。石墨烯具有抗菌特性，它在光照下也能产生热量，有助于去污。</span></p><p><span><br  /></span></p><p><span>目前为止，研究人员已经制作并测试了含有一层激光诱导石墨烯的口罩，并发现它们具有显著的抗菌效果，可能具有抗冠状病毒的潜力。在对两种人类冠状病毒的测试中，口罩在阳光下仅5分钟内就灭活90%的病毒颗粒，10分钟内灭活100%。</span></p><p><span><br  /></span></p><p><p><img src="image/20201014/19d430f8ec3aa01b64defeed95b2db2e_4.jpg" /></p></p><p><br  /><span></span></p><p><span>这项技术也更环保，因为如果消毒正确，口罩可以重复使用。许多含碳材料，如现有的生物可降解材料，可以使用这种技术转化为石墨烯。</span></p><p><span><br  /></span></p><p><span>以下为视频介绍<br  /></span></p><p><span><br  /></span></p><p><video width="100%" height="580" controls="controls"><source src="http://mpvideo.qpic.cn/0bf2beajwaaaweaapslnyvpvacodtmeqbgya.f10003.mp4?dis_k=f2d30ac73f54bff583b7163e3505cfae&dis_t=1602642630" type="video/mp4"></source></video></p><p><br  /></p></section></section></section></section></section></section></section></section></section></section><section><section data-color="#757576"><section><section><section data-brushtype="text"><strong>相关阅读</strong></section></section></section><section><section><section><br  /></section></section></section><section data-width="100%"><section><section><section><section data-width="100%"><section><section><p><img src="image/20201014/2aac877ff9233ba5a66e7a5ff3a4febf_5.gif" 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