{"id":181649,"date":"2016-12-27T10:50:29","date_gmt":"2016-12-27T09:50:29","guid":{"rendered":"http:\/\/hudo.com\/si\/2016\/12\/27\/slovenski-znanstveniki-odkrili-koristno-lastnost-nutrijinih-oranznih-zob\/"},"modified":"2017-01-16T09:33:58","modified_gmt":"2017-01-16T08:33:58","slug":"slovenski-znanstveniki-odkrili-koristno-lastnost-nutrijinih-oranznih-zob","status":"publish","type":"post","link":"https:\/\/hudo.com\/si\/lifestyle\/slovenski-znanstveniki-odkrili-koristno-lastnost-nutrijinih-oranznih-zob\/","title":{"rendered":"Slovenski znanstveniki odkrili koristno lastnost nutrijinih oran\u017enih zob"},"content":{"rendered":"<figure>\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"320\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" data-src=\"http:\/\/moski.hudo.com\/wp-content\/uploads\/2016\/12\/profimedia-0265219045-320x155.jpg\" data-srcset=\"http:\/\/moski.hudo.com\/wp-content\/uploads\/2016\/12\/profimedia-0265219045-660x320.jpg 660w,http:\/\/moski.hudo.com\/wp-content\/uploads\/2016\/12\/profimedia-0265219045-320x155.jpg 330w\" sizes=\"(max-width: 660px) 100vw, 660px\"\/><figcaption>foto:Profimedia<\/figcaption><\/figure>\n<p>Do nedavnega je bila velika uganka, kako lahko nekateri zobje glodavcev stalno rastejo in pri tem ohranjajo stalno ostrino oz. funkcionalnost. Odgovor je na\u0161el konzorcij slovenskih, nem\u0161kih in ameri\u0161kih raziskovalcev, ki so svoje ugotovitve ta mesec objavili v presti\u017eni mednarodni znanstveni reviji American Chemical Society (ACS) Nano.<\/p>\n<h2>\u010cude\u017eni oran\u017eni zobje<\/h2>\n<p>Konzorcij raziskovalnih in\u0161titucij, ki ga je vodila Vesna \u0160rot s Centra za elektronsko mikroskopijo nem\u0161kega in\u0161tituta Max Planck, v njem pa so sodelovali tudi slovenski raziskovalci z in\u0161tituta ERICo Velenje, Visoke \u0161ole za varstvo okolja in Gozdarskega in\u0161tituta Slovenije, je z metodami mikroskopije dobil povsem nov vpogled v strukturo, kemijsko sestavo in fizikalne zna\u010dilnosti zob glodavcev.<\/p>\n<p>Raziskave, ki so jih izvajali na ve\u010d osebkih nutrij z Ljubljanskega barja, so pokazale na mo\u010dno soodvisnost med mikrostrukuro oz. kemijsko sestavo zob (na nano ravni) in mehanskimi lastnostmi zobnih tkiv.<\/p>\n<p>Poleg prisotnosti vrhnje plasti sklenine (obstoj te plasti do sedaj ni bil znan), ki je zelo bogata z \u017eelezom v razli\u010dnih kemijskih oblikah in daje zobem nutrije zna\u010dilno oran\u017eno barvo, so v zobovini sekalcev izmerili tudi nenavadno visoke vsebnosti magnezija. Ker sekalci nutrij in ostalih vrst glodavcev stalno rastejo sta ravno razmerje in prostorska porazdelitev \u017eeleza in magnezija znotraj zob klju\u010dna za njihovo funkcionalnost &#8211; ohranjanje stalne ostrine kljub neprekinjenem obrabljanju.<\/p>\n<p>&#8220;Ugotovitev bo v prihodnje mogo\u010de uporabljati pri razvoju novih materialov in ima velik uporaben pomen za \u0161ir\u0161o dru\u017ebo,&#8221; so zapisali.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Po vzoru nutrijinih zob bodo znanstveniki razvijali nove materiale<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1091],"tags":[1674,2089,1645],"source":[1522,1518,1527],"supertag":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Slovenski znanstveniki odkrili koristno lastnost nutrijinih oran\u017enih zob - 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