[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.evate.cz\/nove-lepidlo-odvozene-od-prilnavych-musli\/#Article","mainEntityOfPage":"https:\/\/www.evate.cz\/nove-lepidlo-odvozene-od-prilnavych-musli\/","headline":"Nov\u00e9 lepidlo odvozen\u00e9 od p\u0159ilnav\u00fdch mu\u0161l\u00ed","name":"Nov\u00e9 lepidlo odvozen\u00e9 od p\u0159ilnav\u00fdch mu\u0161l\u00ed","description":"V\u00fdroba lepidla se nyn\u00ed v\u00e1\u017ee na d\u0159evo, co\u017e nen\u00ed ekologick\u00e9. My\u0161lenka nov\u00e9 alternativy vze\u0161la od mo\u0159sk\u00fdch m\u011bkk\u00fd\u0161\u016f, kte\u0159\u00ed jsou p\u0159ipout\u00e1ni sv\u00fdm slizem velmi siln\u011b ke","datePublished":"2023-06-07","dateModified":"2023-06-07","author":{"@type":"Person","@id":"https:\/\/www.evate.cz\/author\/#Person","name":"","url":"https:\/\/www.evate.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/aa13f0f1a5b61a2deba1492ce3bb4afe8e77d91eeb44c23db0ee08765a93abad?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/aa13f0f1a5b61a2deba1492ce3bb4afe8e77d91eeb44c23db0ee08765a93abad?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"evate.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.evate.cz\/wp-content\/uploads\/img_a298610_w1937_t1508919301.jpg","url":"https:\/\/www.evate.cz\/wp-content\/uploads\/img_a298610_w1937_t1508919301.jpg","height":0,"width":0},"url":"https:\/\/www.evate.cz\/nove-lepidlo-odvozene-od-prilnavych-musli\/","wordCount":401,"articleBody":"V\u00fdroba lepidla se nyn\u00ed v\u00e1\u017ee na d\u0159evo, co\u017e nen\u00ed ekologick\u00e9. My\u0161lenka nov\u00e9 alternativy vze\u0161la od mo\u0159sk\u00fdch m\u011bkk\u00fd\u0161\u016f, kte\u0159\u00ed jsou p\u0159ipout\u00e1ni sv\u00fdm slizem velmi siln\u011b ke sk\u00e1le. Jejich lepidlo je odoln\u00e9 v\u016f\u010di vod\u011b a z\u00e1rove\u0148 siln\u00e9.\u00a0Siln\u00e1 lepivost mu\u0161l\u00ed je zap\u0159\u00ed\u010din\u011bna v tom, \u017ee jejich sliz obsahuje speci\u00e1ln\u00ed vl\u00e1kna, kter\u00e1 se naz\u00fdvaj\u00ed byssus. Tato drobn\u00e1 chapad\u00e9lka, kter\u00e1 mohou dos\u00e1hnout v\u00edce ne\u017e dva centimetry na d\u00e9lku, jsou vystav\u011bna ze struktury b\u00edlkovin s vysok\u00fdm obsahem l\u00e1tek naz\u00fdvan\u00fdch fenolick\u00e9 hydroxylov\u00e9 skupiny.\u00a0Nejprve v\u011bdci cht\u011bli lepidlo extrahovat p\u0159\u00edmo z mu\u0161l\u00ed, ale nedok\u00e1zali p\u0159ij\u00edt na zp\u016fsob, jak doc\u00edlit toho, aby mu\u0161le produkovaly o mnoho v\u00edce lepidla, ne\u017e je pro n\u011b p\u0159irozen\u00e9. Biochemici se v\u0161ak shodli na tom, \u017ee b\u00edlkovina je zase jen b\u00edlkovina, a\u0165 u\u017e je obsa\u017een\u00e1 v \u010demkoli. Proto v\u00fdzkumn\u00e1 skupina dok\u00e1zala napodobit tento unik\u00e1tn\u00ed protein.\u00a0Do sojov\u00e9 mouky p\u0159idala fenolick\u00e9 hydroxylov\u00e9 skupiny, kter\u00e9 mu\u0161le obsahuj\u00ed, a experiment se vyda\u0159il. Sojov\u00e1 mouka byla zvolena pr\u00e1v\u011b proto, \u017ee obsahuje vysok\u00e9 procento b\u00edlkovin, je to obnoviteln\u00fd zdroj a pom\u011brn\u011b ekonomicky nen\u00e1ro\u010dn\u00fd.\u00a0Klasick\u00e9 lepidlo se vyr\u00e1b\u00ed na b\u00e1zi mo\u010dovino-formaldehydov\u00e9ho d\u0159eva a je podm\u00edn\u011bno p\u0159id\u00e1n\u00edm ropy. Krom\u011b toho, \u017ee ob\u011b dv\u011b komponenty nejsou ekologick\u00e9, jsou i zdravotn\u011b z\u00e1vadn\u00e9. \u00a0\u00a0Pokud se toto lepidlo vyva\u0159\u00ed, dos\u00e1hne se neobvykle velk\u00e9 pevnosti, co\u017e m\u016f\u017ee naj\u00edt vyu\u017eit\u00ed p\u0159i v\u00fdrob\u011b p\u0159ekli\u017eek, lamin\u00e1tov\u00fdch desek, nebo oby\u010dejn\u00e9 d\u0159evot\u0159\u00edsky. Vyv\u00e1\u0159ka lepidla je v\u0161ak proces, kter\u00fd trv\u00e1 i n\u011bkolik hodin.\u00a0Sliz t\u011bchto mu\u0161l\u00ed se d\u00e1 t\u00e9\u017e rozvl\u00e1knit a vysu\u0161it, z\u00edsk\u00e1 se vl\u00e1kno, kter\u00e9 sah\u00e1 a\u017e do historie. V\u011bdci se domn\u00edvaj\u00ed, \u017ee ono slavn\u00e9 zlat\u00e9 rouno z p\u0159\u00edb\u011bhu Jasona a Argonaut\u016f bylo takt\u00e9\u017e tkan\u00e9 z byssusu.\u00a0Nejlep\u0161\u00edm zdrojem na lepidlo jsou zat\u00edm mo\u0159sk\u00e9 sl\u00e1vky. Ty toti\u017e maj\u00ed nejv\u00edce odoln\u00fd a siln\u00fd sliz a produkuj\u00ed ho ze v\u0161ech mu\u0161l\u00ed nejv\u00edce. Proto se struktura jejich slizu stala p\u0159edm\u011btem zkoum\u00e1n\u00ed a jasnou p\u0159edlohou pro alternativn\u00ed v\u00fdrobu lepidla.\u00a0                                                                                                                                                                                                                                                                                                                                                                                                "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Nov\u00e9 lepidlo odvozen\u00e9 od p\u0159ilnav\u00fdch mu\u0161l\u00ed","item":"https:\/\/www.evate.cz\/nove-lepidlo-odvozene-od-prilnavych-musli\/#breadcrumbitem"}]}]