{"id":2658,"date":"2022-04-16T09:41:45","date_gmt":"2022-04-16T01:41:45","guid":{"rendered":"http:\/\/www.gocpmall.com\/?p=2658"},"modified":"2022-04-16T10:19:11","modified_gmt":"2022-04-16T02:19:11","slug":"%e7%a7%91%e5%ad%a6%e5%ae%b6%e5%bc%80%e5%8f%91%e6%99%ba%e8%83%bd%e7%bb%b7%e5%b8%a6-%e5%8f%aa%e5%9c%a8%e6%a3%80%e6%b5%8b%e5%88%b0%e6%84%9f%e6%9f%93%e8%80%85%e5%8f%91%e7%83%ad%e6%97%b6%e6%89%8d%e9%87%8a","status":"publish","type":"post","link":"https:\/\/www.gocpmall.com\/?p=2658","title":{"rendered":"\u79d1\u5b66\u5bb6\u5f00\u53d1\u667a\u80fd\u7ef7\u5e26 \u53ea\u5728\u68c0\u6d4b\u5230\u611f\u67d3\u8005\u53d1\u70ed\u65f6\u624d\u91ca\u653e\u836f\u7269"},"content":{"rendered":"

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访问： 阿里云热卖产品新老同享1元起 注册可抽iPhone 13 Pro 抗生素不仅会引起不必要的副作用，而且其过度使用可能会导致耐抗生素细菌的产生。此外，它们也不应该被浪费。 不幸的是，由于传统的伤口敷料是不透明的，所以不可能看到它们下面的伤口是否正在受到感染。因此，抗生素常常在伤口被覆盖之前就被预先应用到伤口上，以防止它被感染。即便如此，在吸收了最初使用的抗生素后，它仍然可能发生感染。 为了寻求一种更有效的替代方法，瑞士Empa研究中心的科学家们开发了这种新材料。它包含了一层细小的纳米纤维膜，由聚合物PMMA（聚甲基丙烯酸甲酯）和一种商品名为Eudragit的生物相容性聚合物混合制成。防腐化合物奥替尼啶双盐酸盐则被封装在这些纤维中。 只要伤口表面保持在32至34 ºC的正常皮肤温度范围内，聚合物混合物就会保持固态，使药物被困在里面。然而，如果与感染有关的炎症导致伤口表面温度上升到至少37 ºC，聚合物就会转变为较软的状态，将一些杀灭细菌的奥替尼啶释放到受感染的组织中。 一旦感染得到治疗，伤口重新冷却下来，聚合物就会再次变硬，保留剩下的防腐化合物。因此，这种敷料可以进行多达五次单独的奥替尼啶部署，然后才用完其全部有效的药物负荷。 科学家们现在正试图减少激活该材料所需的温度升高，此外他们还在探索其他药物的使用，如真正的抗生素。关于这项研究的论文最近发表在《 ACS应用生物材料 》杂志上，该论文由任群和潘飞领导。 而这并不是我们所看到的第一种对感染相关的热量作出反应的敷料。塔夫茨大学的一个团队一直在研究一种绷带，它利用一个实际的电子传感器来完成这项工作。
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访问： 阿里云&#2890 […]<\/p>\n","protected":false},"author":3,"featured_media":2659,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,24],"tags":[],"class_list":["post-2658","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","category-localnews"],"_links":{"self":[{"href":"https:\/\/www.gocpmall.com\/index.php?rest_route=\/wp\/v2\/posts\/2658","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gocpmall.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gocpmall.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gocpmall.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gocpmall.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2658"}],"version-history":[{"count":1,"href":"https:\/\/www.gocpmall.com\/index.php?rest_route=\/wp\/v2\/posts\/2658\/revisions"}],"predecessor-version":[{"id":2709,"href":"https:\/\/www.gocpmall.com\/index.php?rest_route=\/wp\/v2\/posts\/2658\/revisions\/2709"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gocpmall.com\/index.php?rest_route=\/wp\/v2\/media\/2659"}],"wp:attachment":[{"href":"https:\/\/www.gocpmall.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gocpmall.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gocpmall.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}