[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.szesgsm.cz\/3d-tisk-v-kapaline-by-mohl-umoznit-vyrobu-umelych-organu\/#Article","mainEntityOfPage":"https:\/\/www.szesgsm.cz\/3d-tisk-v-kapaline-by-mohl-umoznit-vyrobu-umelych-organu\/","headline":"3D tisk v kapalin\u011b by mohl umo\u017enit v\u00fdrobu um\u011bl\u00fdch org\u00e1n\u016f","name":"3D tisk v kapalin\u011b by mohl umo\u017enit v\u00fdrobu um\u011bl\u00fdch org\u00e1n\u016f","description":"Tk\u00e1n\u011b a org\u00e1ny vyti\u0161t\u011bn\u00e9 3D tisk\u00e1rnou mohou znamenat revoluci v transplantac\u00edch, v\u00fdrob\u011b l\u00e9k\u016f a laboratorn\u00edch modelech. Replikace komplikovan\u00fdch \u010d\u00e1st\u00ed t\u011bla, …","datePublished":"2019-11-15","dateModified":"2023-05-25","author":{"@type":"Person","@id":"https:\/\/www.szesgsm.cz\/author\/#Person","name":"","url":"https:\/\/www.szesgsm.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/7c144e1de0ecc43e7a8353c804f0c7ea63c9554336576e7048c4bdeaa59bbbbb?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/7c144e1de0ecc43e7a8353c804f0c7ea63c9554336576e7048c4bdeaa59bbbbb?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"szesgsm.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.szesgsm.cz\/wp-content\/uploads\/img_a361701_w3912_t1574869303.jpg","url":"https:\/\/www.szesgsm.cz\/wp-content\/uploads\/img_a361701_w3912_t1574869303.jpg","height":0,"width":0},"url":"https:\/\/www.szesgsm.cz\/3d-tisk-v-kapaline-by-mohl-umoznit-vyrobu-umelych-organu\/","about":["V\u011bda"],"wordCount":405,"articleBody":"Tk\u00e1n\u011b a org\u00e1ny vyti\u0161t\u011bn\u00e9 3D tisk\u00e1rnou mohou znamenat revoluci v transplantac\u00edch, v\u00fdrob\u011b l\u00e9k\u016f a laboratorn\u00edch modelech. Replikace komplikovan\u00fdch \u010d\u00e1st\u00ed t\u011bla, jako jsou tr\u00e1vic\u00ed \u00fastroj\u00ed, pr\u016fdu\u0161ky a mal\u00e9 c\u00e9vy, p\u0159edstavuje hlavn\u00ed v\u00fdzvu. D\u016fvodem je to, \u017ee tyto vaskularizovan\u00e9 tk\u00e1n\u011b se t\u011b\u017eko vytv\u00e1\u0159ej\u00ed s pomoc\u00ed tradi\u010dn\u00edho 3D tisku po vrstv\u00e1ch, ani\u017e by vytv\u00e1\u0159ely podp\u016frn\u00e9 \u201ele\u0161en\u00ed\u201c, kter\u00e9 se potom t\u011b\u017eko odstra\u0148uje.
 Jedn\u00edm z mo\u017en\u00fdch \u0159e\u0161en\u00ed je nahrazen\u00ed t\u011bchto podp\u016frn\u00fdch struktur kapalinou. Speci\u00e1ln\u011b navr\u017een\u00e1 tekutinov\u00e1 matrice, do kter\u00e9 by mohly b\u00fdt injektov\u00e1ny kapaln\u00e9 n\u00e1vrhy p\u0159ed vst\u0159\u00edknut\u00edm \u201einkoustu\u201c. Po dokon\u010den\u00ed procesu se matrice vypust\u00ed. Av\u0161ak p\u0159ede\u0161l\u00e9 pokusy vytvo\u0159it takov\u00e9 vodn\u00e9 struktury se v\u017edy zhroutily, proto\u017ee jejich povrchy se zmen\u0161ovaly a n\u00e1sledn\u011b do\u0161lo ke kolapsu na beztvarou hmotu.
 V\u011bdci z \u010c\u00edny zvolili hydrofiln\u00ed polymery, kter\u00e9 si rozum\u00ed s vodou. D\u00edky p\u0159ita\u017elivosti vod\u00edkov\u00fdch vazeb vytv\u00e1\u0159ej\u00ed stabiln\u00ed membr\u00e1nu. V\u011bdci tvrd\u00ed, \u017ee by mohly fungovat r\u016fzn\u00e9 kombinace polymer\u016f podle situace a vlastnost\u00ed, kter\u00e9 by m\u011bla v\u00fdsledn\u00e1 um\u011bl\u00e1 tk\u00e1\u0148 spl\u0148ovat. Pro pot\u0159eby experimentu pou\u017eili polyethylen oxidovou matrici a inkoust vyroben\u00fd z dlouh\u00e9 uhlohydr\u00e1tov\u00e9 molekuly zvan\u00e9 dextran. Inkoust \u010derpali do matrice pomoc\u00ed vst\u0159ikovac\u00ed trysky, kter\u00e1 se m\u016f\u017ee pohybovat kapalinou, a dokonce vys\u00e1vat a p\u0159episovat ji\u017e nakreslen\u00e9 \u010d\u00e1ry. V\u00fdsledn\u00e9 struktury tekutin si mohou udr\u017eet sv\u016fj tvar po dobu 10 dn\u016f, ne\u017e se za\u010dnou slu\u010dovat.
 Pomoc\u00ed sv\u00e9 nov\u00e9 metody vytiskli v\u011bdci sortiment slo\u017eit\u00fdch tvar\u016f, v\u010detn\u011b trycht\u00fd\u0159ovit\u00fdch v\u00edr\u016f, jednoduch\u00fdch a dvojit\u00fdch \u0161roubovic, trojl\u00edstk\u016f, a dokonce takov\u00e9, kter\u00e9 p\u0159ipom\u00ednaj\u00ed rybky. Po dokon\u010den\u00ed tisku se tvary ust\u00e1l\u00ed p\u0159id\u00e1n\u00edm polyvinylalkoholu do inkoustov\u00e9 \u010d\u00e1sti struktury.
 Doufejme, \u017ee se poda\u0159\u00ed proces zdokonalit a p\u0159ev\u00e9st ho do praxe co nejd\u0159\u00edve. Po dlouh\u00e9 dob\u011b se toti\u017e jedn\u00e1 o velmi slibnou technologii, do kter\u00e9 mnoz\u00ed odborn\u00edci vkl\u00e1daj\u00ed velk\u00e9 nad\u011bje. 3D tisk m\u00e1 potenci\u00e1l zm\u011bnit a zdokonalit r\u016fzn\u00e1 odv\u011btv\u00ed od zmi\u0148ovan\u00e9ho l\u00e9ka\u0159stv\u00ed, p\u0159es stavebnictv\u00ed a\u017e po stroj\u00edrenstv\u00ed, automobilov\u00fd pr\u016fmysl nebo v\u00fdrobu elektroniky.
 
                                                                                                                                                                                                                                                                                                                                                                                         4.2\/5 - (11 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"3D tisk v kapalin\u011b by mohl umo\u017enit v\u00fdrobu um\u011bl\u00fdch org\u00e1n\u016f","item":"https:\/\/www.szesgsm.cz\/3d-tisk-v-kapaline-by-mohl-umoznit-vyrobu-umelych-organu\/#breadcrumbitem"}]}]