{"id":32522,"date":"2019-10-31T21:47:31","date_gmt":"2019-10-31T18:47:31","guid":{"rendered":"https:\/\/prohoster.info\/blog\/metod-2d-ukladki-delaet-vozmozhnost-pechatat-zhivye-organy-na-shag-blizhe\/"},"modified":"2019-10-31T21:47:31","modified_gmt":"2019-10-31T18:47:31","slug":"metod-2d-ukladki-delaet-vozmozhnost-pechatat-zhivye-organy-na-shag-blizhe","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/metod-2d-ukladki-delaet-vozmozhnost-pechatat-zhivye-organy-na-shag-blizhe","title":{"rendered":"Metoda 2D tisku p\u0159ibli\u017euje mo\u017enost tisknout \u017eiv\u00e9 org\u00e1ny o krok bl\u00ed\u017ee","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

S c\u00edlem zp\u0159\u00edstupnit v\u00fdrobu biomateri\u00e1l\u016f v\u011bdci z Kalifornsk\u00e9 univerzity v Berkeley spojuj\u00ed 2D biotisk, robotickou ruku pro 3D mont\u00e1\u017e a okam\u017eit\u00e9 zmrazen\u00ed v metod\u011b, kter\u00e1 by jednoho dne mohla umo\u017enit tisk \u017eiv\u00fdch tk\u00e1n\u00ed a dokonce i cel\u00fdch org\u00e1n\u016f. Tiskem org\u00e1n\u016f ve form\u011b tenk\u00fdch vrstev tk\u00e1n\u011b, kter\u00e9 se n\u00e1sledn\u011b zmrazuj\u00ed a n\u00e1sledn\u011b ukl\u00e1daj\u00ed na sebe, nov\u00e1 technologie zlep\u0161uje p\u0159e\u017e\u00edv\u00e1n\u00ed bio bun\u011bk jak p\u0159i tisku, tak p\u0159i dal\u0161\u00edm skladov\u00e1n\u00ed.<\/p>\n

\"Metoda<\/p>\n

Biomateri\u00e1ly maj\u00ed obrovsk\u00fd potenci\u00e1l pro medic\u00ednu budoucnosti. 3D tisk pomoc\u00ed vlastn\u00edch kmenov\u00fdch bun\u011bk pacienta pom\u016f\u017ee vytv\u00e1\u0159et org\u00e1ny pro transplantaci, kter\u00e9 budou zcela kompatibiln\u00ed a nezp\u016fsob\u00ed odm\u00edtnut\u00ed.<\/p>\n

Probl\u00e9m je, \u017ee sou\u010dasn\u00e9 metody biotisku jsou pomal\u00e9 a nevych\u00e1zej\u00ed dob\u0159e v m\u011b\u0159\u00edtku, proto\u017ee bu\u0148k\u00e1m se t\u011b\u017eko da\u0159\u00ed p\u0159e\u017e\u00edt tiskov\u00fd proces bez velmi pe\u010dliv\u00e9 kontroly teploty a chemick\u00e9ho prost\u0159ed\u00ed. D\u00e1le komplikuje situaci n\u00e1sledn\u00e9 skladov\u00e1n\u00ed a p\u0159eprava ti\u0161t\u011bn\u00fdch tk\u00e1n\u00ed.<\/p>\n

<\/center><\/p>\n

Aby p\u0159ekonali tyto probl\u00e9my, t\u00fdm z Berkeley se rozhodl paralelizovat proces tisku a rozd\u011blit ho na sekven\u010dn\u00ed f\u00e1ze. To znamen\u00e1, \u017ee m\u00edsto tisku cel\u00e9ho org\u00e1nu najednou se tk\u00e1n\u011b sou\u010dasn\u011b tisknou ve dvourozm\u011brn\u00fdch vrstv\u00e1ch, kter\u00e9 jsou pot\u00e9 usazov\u00e1ny robotickou rukou pro vytvo\u0159en\u00ed kone\u010dn\u00e9 trojrozm\u011brn\u00e9 struktury.<\/p>\n

Tento p\u0159\u00edstup ji\u017e urychluje proces, ale aby se sn\u00ed\u017eila \u00famrtnost bun\u011bk, vrstvy se okam\u017eit\u011b pono\u0159uj\u00ed do kryogenn\u00ed vany, aby se zmrazily. Podle t\u00fdmu to v\u00fdrazn\u011b optimalizuje podm\u00ednky pro p\u0159e\u017eit\u00ed ti\u0161t\u011bn\u00fdch materi\u00e1l\u016f p\u0159i skladov\u00e1n\u00ed a p\u0159eprav\u011b.<\/p>\n

\u201eV sou\u010dasnosti se biotisk pou\u017e\u00edv\u00e1 p\u0159ev\u00e1\u017en\u011b k vytv\u00e1\u0159en\u00ed mal\u00e9ho objemu tk\u00e1n\u011b,\u201c \u0159\u00edk\u00e1 Boris Rubinjski, profesor stroj\u00edrenstv\u00ed. \u201eProbl\u00e9m s 3D biotiskem spo\u010d\u00edv\u00e1 v tom, \u017ee je to velmi pomal\u00fd proces, tak\u017ee nem\u016f\u017eete vytisknout nic velk\u00e9ho, proto\u017ee biologick\u00e9 materi\u00e1ly uhynou, kdy\u017e skon\u010d\u00edte. Jedn\u00edm z na\u0161ich nov\u00fdch p\u0159\u00edstup\u016f je, \u017ee tk\u00e1n\u011b mraz\u00edme b\u011bhem tisku, tak\u017ee biologick\u00fd materi\u00e1l je zachov\u00e1n.\u201c<\/p>\n

T\u00fdm uzn\u00e1v\u00e1, \u017ee takov\u00fd v\u00edcestup\u0148ov\u00fd p\u0159\u00edstup k 3D tisku nen\u00ed nov\u00fd, jeho aplikace na biomateri\u00e1ly v\u0161ak p\u0159edstavuje novinku. To umo\u017e\u0148uje tisk vrstev na jednom m\u00edst\u011b a n\u00e1sledn\u00fd transport na jin\u00e9 m\u00edsto pro mont\u00e1\u017e.<\/p>\n

Krom\u011b vytv\u00e1\u0159en\u00ed tk\u00e1n\u00ed a org\u00e1n\u016f m\u00e1 tato technika i dal\u0161\u00ed aplikace, nap\u0159\u00edklad v pr\u016fmyslov\u00e9m v\u00fdrob\u011b mra\u017een\u00fdch potravin.<\/p>\n

\r\n \"P\u0159ehr\u00e1t\r\n
<\/div>\r\n <\/div><\/center><\/p>\n

Studie byla publikov\u00e1na v <\/a>Journal of Medical Devices<\/a><\/noindex>.<\/p>\n

<\/p>\n

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Zdroj: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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