\u0130svi\u00e7re Federal Enstit\u00fcs\u00fc WSL\u2019den bilim insanlar\u0131, Frontiers in Microbiology\u2019de Alpler ve Kuzey Kutbu\u2019nda plasti\u011fin par\u00e7alanmas\u0131na ili\u015fkin ara\u015ft\u0131rmalar\u0131n\u0131 yay\u0131nlad\u0131.<\/p>\n
Ara\u015ft\u0131rmac\u0131lar, laboratuvar ink\u00fcbasyonlar\u0131 s\u0131ras\u0131nda Alpler ve Kuzey Kutbu topraklar\u0131na g\u00f6m\u00fcl\u00fc plastiklerin yan\u0131 s\u0131ra Kuzey Kutbu karasal ortamlar\u0131ndan toplanan plastikleri kullanarak 34 mikrobiyal su\u015fu izole etti ve bozulma yeteneklerini 15 santigrat derecede test etti.<\/p>\n
Ambalaj ve t\u00fcketici \u00fcr\u00fcnlerinde yo\u011fun \u015fekilde kullan\u0131lan ve biyolojik olarak par\u00e7alanamayan polietilen (PE), test edilen mikroorganizmalar taraf\u0131ndan par\u00e7alanamad\u0131. Ancak, test edilen mikroorganizmalar\u0131n yar\u0131s\u0131ndan fazlas\u0131 15 derece s\u0131cakl\u0131kta biyolojik olarak par\u00e7alanabilen polyester-poli\u00fcretan \u00fcretirken, iki t\u00fcr PE d\u0131\u015f\u0131nda her plasti\u011fi par\u00e7alayabildi.<\/p>\n
\u00c7al\u0131\u015fma, birka\u00e7 taksonun plastikleri par\u00e7alayabildi\u011fini ilk kez g\u00f6stermesinin yan\u0131 s\u0131ra, \u00f6nceki \u00e7al\u0131\u015fmalara g\u00f6re daha d\u00fc\u015f\u00fck s\u0131cakl\u0131klarda par\u00e7alayabildi\u011fini g\u00f6stermesi a\u00e7\u0131s\u0131ndan da cesaret verici sonu\u00e7 ortaya koydu. Daha \u00f6nceki mikrobiyal plastik bozulmalar\u0131 \u00e7o\u011funlukla 20 derece \u00fczerindeki s\u0131cakl\u0131klarda incelenmi\u015fti.<\/p>\n
Mikroorganizmalar, s\u00fcrd\u00fcr\u00fclebilir bir plastik ekonomisi sa\u011flamak i\u00e7in \u00f6nemli potansiyel vadediyor.<\/p>\n
Ekonomik \u0130\u015fbirli\u011fi ve Kalk\u0131nma \u00d6rg\u00fct\u00fc’ne (OECD), g\u00f6re her y\u0131l d\u00fcnya \u00e7ap\u0131nda yakla\u015f\u0131k 460 milyon ton plastik \u00fcretiliyor. Bu ba\u011flamda en \u00f6nemli ham madde ham petrol ve plasti\u011fe talep artmaya devam ediyor. Plastik \u00fcretim miktar\u0131n\u0131n artan taleple birlikte 2050\u2019ye kadar iki kat\u0131na \u00e7\u0131kabilece\u011fi tahmin ediliyor.<\/p>\n
Birle\u015fmi\u015f Milletler \u00c7evre Program\u0131 (UNEP), yeniden kullan\u0131m, geri d\u00f6n\u00fc\u015f\u00fcm ve \u00fcr\u00fcnlerin yeniden y\u00f6nlendirilmesi ve \u00e7e\u015fitlendirilmesi olarak s\u0131ralanan bu \u00fc\u00e7 de\u011fi\u015fikli\u011fin uygulanmas\u0131yla, plastik kirlili\u011finin 2040\u2019a kadar y\u00fczde 80 azalt\u0131labilece\u011fini \u00f6ng\u00f6r\u00fcyor. WWF\u2019ye g\u00f6re ise d\u00fcnyada kullan\u0131lan plastiklerin sadece y\u00fczde 10\u2019u geri d\u00f6n\u00fc\u015f\u00fcme gidiyor. (AA)<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0130svi\u00e7re’den ara\u015ft\u0131rmac\u0131lar, Alpler ve Kuzey Kutbu’nda plasti\u011fi d\u00fc\u015f\u00fck s\u0131cakl\u0131klarda bile par\u00e7alayabilen mikroorganizmalar ke\u015ffetti.<\/p>\n","protected":false},"author":1,"featured_media":92812,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[154],"class_list":["post-92811","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji","tag-plastik"],"_links":{"self":[{"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/posts\/92811","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=92811"}],"version-history":[{"count":1,"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/posts\/92811\/revisions"}],"predecessor-version":[{"id":92813,"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/posts\/92811\/revisions\/92813"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=\/wp\/v2\/media\/92812"}],"wp:attachment":[{"href":"https:\/\/haberulus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=92811"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=92811"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haberulus.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=92811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}