{"id":21046352,"date":"2019-06-02T09:17:14","date_gmt":"2019-06-02T07:17:14","guid":{"rendered":"https:\/\/geek.hr\/znanost\/?p=21046352"},"modified":"2019-05-31T23:58:33","modified_gmt":"2019-05-31T21:58:33","slug":"napravljeno-je-bioljepilo-koje-brzo-zatvara-rupe-na-organima","status":"publish","type":"post","link":"https:\/\/geek.hr\/znanost\/clanak\/napravljeno-je-bioljepilo-koje-brzo-zatvara-rupe-na-organima\/","title":{"rendered":"Napravljeno je bioljepilo koje brzo zatvara rupe na organima"},"content":{"rendered":"<p>Izumljeno je bioljepilo koje zatvara rupu na srcu za svega 20 sekundi. To je dodatno postignu\u0107e u odnosu na <a href=\"https:\/\/geek.hr\/znanost\/clanak\/izumljeno-kirursko-ljepilo-koje-djeluje-za-60-sekundi\/\" target=\"_blank\" rel=\"noopener noreferrer\">prija\u0161nje izume.<\/a><\/p>\n<p>Ouyang Hongwei s kineskog sveu\u010dili\u0161ta Zhejiang i Zhu Linyong sa sveu\u010dili\u0161ta East China University of Science razvili su novo biolo\u0161ko ljepilo koje bi jednog dana trebalo zaustavljati krvarenje arterija, srca te drugih organa u ako kratkom vremenu.<\/p>\n<div id=\"attachment_21046351\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-21046351\" class=\"size-medium wp-image-21046351\" src=\"https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2019\/05\/VIDEO-Bioljepilo-zatvara-rupu-na-srcu-za-20-sekundi_VIDIClanakNaslovna-300x196.jpg\" alt=\"\" width=\"300\" height=\"196\" srcset=\"https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2019\/05\/VIDEO-Bioljepilo-zatvara-rupu-na-srcu-za-20-sekundi_VIDIClanakNaslovna-300x196.jpg 300w, https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2019\/05\/VIDEO-Bioljepilo-zatvara-rupu-na-srcu-za-20-sekundi_VIDIClanakNaslovna.jpg 624w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-21046351\" class=\"wp-caption-text\">Foto: YouTube<\/p><\/div>\n<p>Ljepilo je u svojoj osnovi hidrogel koji opona\u0161a vezivno tkivo organizma. Mo\u017ee se brzo skrutiti ultraljubi\u010dastim (UV) zra\u010denjem.<\/p>\n<p>Bio-gel tako sadr\u017ei \u017eelatinu metakrilne kiseline (GelMA) i modificiranu hijaluronsku kiselinu (HA-NB). Spomenuto UV zra\u010denje mu omogu\u0107uje kori\u0161tenje na skliskim i mokrim mjestima. Zato \u0107e djelovati u\u010dinkovito \u010dak i na pulsiraju\u0107em srcu.<\/p>\n<p>Znanstvenici su bioljepilo uspje\u0161no testirali na \u017eivotinjama: svinjama, \u0161takorima i ze\u010devima, gdje se pokazalo puno uspje\u0161nijim rje\u0161enjem od drugih trenutno dostupnih kirur\u0161kih ljepila.<\/p>\n<p>Nakon \u0161to je gel ubrizgan \u0161takorima ispod njihove ko\u017ee, samo je oko 20% ljepila ostalo poslije osam tjedana i nije opa\u017eena nikakva nuspojava.<\/p>\n<p>Veze su dovoljno jake da izdr\u017ee krvni tlak dvostruko vi\u0161i od normalne razine, \u0161to zna\u010di da se ne\u0107e rasprsnuti kada se srce skuplja i ispumpava krv.<\/p>\n<p>Sve \u017eivotinje kojima su srca tretirana doti\u010dnim bioljepilom su pre\u017eivjele, a efektni primjer brzog krpanja na izva\u0111enoj svinjskoj jetri vidljiv je u sljede\u0107em videu:<\/p>\n<p><iframe loading=\"lazy\" title=\"41467 2019 10004 MOESM2 ESM\" width=\"880\" height=\"495\" src=\"https:\/\/www.youtube.com\/embed\/gKVumCVfW1c?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Znanstvenici vjeruju kako bi kroz 3 do 5 godina njihov proizvod trebao biti spreman za klini\u010dka testiranja na ljudima.<\/p>\n<p>&#8220;Nema postoje\u0107ih klini\u010dkih proizvoda koji bi mogli zaustaviti krvarenje srca tako brzo i u\u010dinkovito&#8221;, potvrdio je Ouyang.<\/p>\n<p><a href=\"https:\/\/www.nature.com\/articles\/s41467-019-10004-7\" target=\"_blank\" rel=\"noopener noreferrer\">Znanstveni rad<\/a> je objavljen u znanstvenom \u010dasopisu <em>Nature Communications.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Krpanje od 20 sekundi uskoro na vidiku<\/p>\n","protected":false},"author":10022,"featured_media":21046350,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[16361],"tags":[18047],"class_list":["post-21046352","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biotehnologija","tag-gel"],"modified_by":null,"_links":{"self":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21046352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/users\/10022"}],"replies":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/comments?post=21046352"}],"version-history":[{"count":0,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21046352\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/media\/21046350"}],"wp:attachment":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/media?parent=21046352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/categories?post=21046352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/tags?post=21046352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}