{"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\/et\/blog\/news\/metod-2d-ukladki-delaet-vozmozhnost-pechatat-zhivye-organy-na-shag-blizhe","title":{"rendered":"2D-kihtide meetod viib elavate organite printimise sammukese l\u00e4hemale","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

P\u00fc\u00fcdes muuta biomaterjalide tootmise kergemini k\u00e4ttesaadavaks, \u00fchendavad Kalifornia \u00dclikooli Berkeley teadlased 2D-bioprintimise, robotk\u00e4e 3D-kooste jaoks ja kohese k\u00fclmutamise meetodi, mis v\u00f5ib \u00fchel p\u00e4eval lubada eludeemete ja isegi tervete organite printimist. Prindides organeid \u00f5hukesteks kudeplaatideks ning seej\u00e4rel k\u00fclmutades need ja j\u00e4rjestikku \u00fcksteise peale ladudes, parandab uus tehnoloogia biotsellide eluj\u00f5udlust nii printimise kui ka edasise ladustamise ajal.<\/p>\n

\"2D-kihtide<\/p>\n

Biomaterjalidel on tohutu potentsiaal tuleviku meditsiinis. Patsientide enda t\u00fcvirakkude abil 3D-printimine aitab luua siirdamiseks m\u00f5eldud organeid, mis on t\u00e4ielikult \u00fchilduvad ja ei tekita \u00e4rat\u00f5ukereaktsiooni.<\/p>\n

Probleem on selles, et praegused bioprintimise meetodid on aeglased ja ei ole eriti h\u00e4sti skaleeritavad, kuna rakkude on printimisprotsessi ajal raske ellu j\u00e4\u00e4da ilma v\u00e4ga rangete temperatuuride ja keemiliste keskkondade kontrollita. Samuti tekitavad edasine ladustamine ja transport prinditud kudede jaoks t\u00e4iendavaid raskusi.<\/p>\n

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

Ette probleemide \u00fcletamiseks otsustas Berkeley meeskond printimisprotsessi paralleelsete etappideks jagada. See t\u00e4hendab, et kogu organi printimise asemel prinditakse kuded kahel korral samal ajal, mis seej\u00e4rel paigutatakse robotk\u00e4e abil, et luua l\u00f5plik kolmem\u00f5\u00f5tmeline struktuur.<\/p>\n

See l\u00e4henemine kiirendab juba protsessi, kuid rakkude suremuse v\u00e4hendamiseks sukeldatakse kihid koheselt kriogeensesse vanni k\u00fclmutamiseks. Meeskonna s\u00f5nul optimeerib see m\u00e4rkimisv\u00e4\u00e4rselt prinditud materjalide eluj\u00f5udlikkuse tingimusi nende ladustamisel ja transportimisel.<\/p>\n

\u00abPraegu kasutatakse bioprintimist peamiselt v\u00e4ikese kude koguse loomiseks\u00bb, \u00fctleb Boris Rubinstein, masinatootmise professor. \u00ab3D-bioprintimise probleem on selles, et see on v\u00e4ga aeglane protsess, seet\u00f5ttu ei saa te midagi suurt printida, kuna bioloogilised materjalid surevad \u00e4ra, enne kui olete l\u00f5petanud. \u00dcks meie uuendustest on see, et me k\u00fclmutame kudesid printimise k\u00e4igus, nii et bioloogiline materjal s\u00e4ilib.\u00bb<\/p>\n

Meeskond tunnistab, et selline kihiline l\u00e4henemine 3D-printimisele pole uus, kuid selle rakendamine biomaterjalides on innovatsioon. See v\u00f5imaldab kihte printida \u00fches kohas ja seej\u00e4rel transportida need teise kohta kokkupanemiseks.<\/p>\n

Lisaks kudede ja organite loomisele on selle tehnika ka muid rakendusi, n\u00e4iteks t\u00f6\u00f6stuslikus ulatuses k\u00fclmutatud toiduainete tootmine.<\/p>\n

\r\n \"M\u00e4ngi\r\n
<\/div>\r\n <\/div><\/center><\/p>\n

Uuring avaldati <\/a>Meditsiiniseadmete Ajakiri<\/a><\/noindex>.<\/p>\n

<\/p>\n

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

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