{"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\/novosti-interneta\/metod-2d-ukladki-delaet-vozmozhnost-pechatat-zhivye-organy-na-shag-blizhe","title":{"rendered":"2D-kihtimise meetod viib elusorganite printimise v\u00f5imaluse sammukese l\u00e4hemale","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

California \u00dclikooli teadlased p\u00fc\u00fcavad biomaterjalide tootmise k\u00e4ttesaadavust suurendada, kombineerides 2D bioprintimise, robotk\u00e4te 3D kokkupaneku ja kiire k\u00fclmutamise meetodi, mis v\u00f5ib tulevikus v\u00f5imaldada elusate kudede ja isegi t\u00e4iskogude printimist. Organite printimine \u00f5hukestena kangaste kihtidena, millele j\u00e4rgneb nende k\u00fclmutamine ja kihiti paigutamine, parandab biomarkerite elluj\u00e4\u00e4mist nii printimise kui ka edasise s\u00e4ilitamise ajal.<\/p>\n

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

Biomaterjalidel on tohutu potentsiaal tuleviku meditsiinis. 3D printimine patsiendi enda t\u00fcvirakkudega aitab luua siirdamiseks sobivaid organeid, mis on t\u00e4iesti \u00fchilduvad ja ei tekita tagasil\u00fckkamist.<\/p>\n

Praeguste bioprintimise meetodite probleem on see, et need on aeglased ja ei skaalu h\u00e4sti, kuna rakkude elluj\u00e4\u00e4mine printimise protsessis on raskendatud, kui temperatuur ja kemikaalide keskkond ei ole rangelt kontrollitud. Samuti toovad edasine s\u00e4ilitamine ja tr\u00fckitud kudede transport t\u00e4iendavaid keerukusi.<\/p>\n

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

Etteprobleemide \u00fcletamiseks otsustas Berkele'i meeskond printimisprotsessi paralleelseks muuta ja jagada selle j\u00e4rjestikusteks etappideks. See t\u00e4hendab, et organi printimise asemel \u00fches t\u00fckis prinditakse kangad samaaegselt kahem\u00f5\u00f5tmelistes kihtides, mis paigutatakse seej\u00e4rel robotk\u00e4e abil, et luua l\u00f5plik kolmem\u00f5\u00f5tmeline struktuur.<\/p>\n

See l\u00e4henemine kiirendab protsessi, kuid rakkude kahjustumise v\u00e4hendamiseks sukeldatakse kihid kohe kriogeensesse vanni, et need k\u00fclmutada. Meeskonna s\u00f5nul optimeerib see oluliselt printitud materjalide s\u00e4ilitamise ja transportimise tingimusi.<\/p>\n

«Praegu kasutatakse bioprinterit peamiselt v\u00e4ikese koguse kudede loomisel», - \u00fctleb Boris Rubinski, masinatootmise professor. «3D bioprintimise probleem on see, et see on v\u00e4ga aeglane protsess, nii et te ei saa midagi suurt printida, kuna bioloogilised materjalid hukkuvad selleks ajaks, kui olete l\u00f5petanud. \u00dcks meie uuendusi on see, et k\u00fclmutame kudesid printerimise ajal, nii et bioloogiline materjal s\u00e4ilib».<\/p>\n

Meeskond tunnistab, et selline kihtide l\u00e4henemine 3D-printimisele ei ole uus, kuid selle rakendamine biomaterjalide puhul on innovatsioon. See v\u00f5imaldab kihtide printimist \u00fches kohas ja seej\u00e4rel transportimist teise, et kokku panna.<\/p>\n

Lisaks kudede ja organite loomisele on sellel tehnikal ka teisi rakendusi, n\u00e4iteks k\u00fclmutatud toiduainete tootmine t\u00f6\u00f6stuslikus mastaabis.<\/p>\n

\r\n \"Vaata\r\n
<\/div>\r\n <\/div><\/center><\/p>\n

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

<\/p>\n

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

\t\t\t\t


\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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