Ib txoj kev tshawb fawb tshiab los ntawm North Carolina State University (USA) qhia txog txoj hauv kev rov tsim dua tshiab los kawm txog kev sib txuas lus ntawm tes ntawm ntau hom nroj tsuag los ntawm "bioprinting" cov hlwb siv lub tshuab luam ntawv 3D, ceeb toom News.ncsu.edu portal.
Kawm paub yuav ua li cas cog cov cell cuam tshuam nrog ib leeg thiab nrog lawv ib puag ncig yog qhov tseem ceeb rau kev nkag siab zoo ntawm cov nroj tsuag ntawm tes thiab tuaj yeem ua rau cov qoob loo zoo dua.
Cov kws tshawb fawb luam tawm cov qauv cog qoob loo Arabidopsis thaliana thiab soy, tsis tsuas yog kawm seb cov nroj tsuag puas muaj sia nyob bioprinting - thiab ntev npaum li cas - tab sis kuj kom nkag siab tias lawv tau txais thiab hloov lawv tus kheej thiab ua haujlwm li cas.
Cov txheej txheem 3D bioprinting rau cov nroj tsuag cog yog mechanically zoo ib yam li siv luam ntawv number case lossis yas, nrog rau ob peb qhov tsim nyog hloov kho.
Hloov ntawm 3D luam ntawv number case, cov kws tshawb fawb siv "bio-ink," lossis cov nroj tsuag muaj sia nyob. Cov txheej txheem hauv ob qho tib si yog tib yam, tshwj tsis yog qee qhov sib txawv ntawm cov nroj tsuag cog: ib qho ultraviolet lim siv los tswj kom tsis muaj menyuam, thiab ntau lub taub hau luam tawm los ntawm cov khoom siv biomaterials sib txawv.
Cov nroj tsuag nyob tsis muaj phab ntsa ntawm tes, los yog protoplasts, tau bioprinted nrog rau cov as-ham, kev loj hlob hormones, thiab ib tug thickening tus neeg sawv cev hu ua agarose, ib tug seaweed-based compound. Agarose pab muab lub zog ntawm tes.
Txoj kev tshawb no tau pom tias ntau dua ib nrab ntawm 3D bioprinted hlwb tau siv tau thiab muab faib ua lub sijhawm los tsim cov cheeb tsam me me.
Cov kws tshawb fawb kuj tau bioprinted tib neeg lub hlwb los saib seb lawv puas tuaj yeem rov tsim dua lossis faib thiab sib npaug. Cov txiaj ntsig tau pom tias cov cag thiab tua cov hlwb Arabidopsis xav tau kev sib xyaw ua ke ntawm cov as-ham rau kev pom kev zoo.
Lub caij no, ntau dua 40% ntawm cov noob qoob loo ntawm cov noob qoob loo tseem nyob tau ob lub lis piam tom qab bioprinting thiab tseem muab faib ua lub sijhawm los tsim microcells.
3D bioprinting tej zaum yuav pab tau rau kev kawm cellular regeneration nyob rau hauv cultivated nroj tsuag.
Cov kab mob hauv paus Arabidopsis thiab cov noob taum noob noob noob taum paub txog kev loj hlob ntawm tus nqi siab thiab tsis muaj kev txheeb xyuas tas li. Hauv lwm lo lus, zoo li tsiaj lossis tib neeg qia hlwb, cov hlwb no tuaj yeem ua ntau hom hlwb.
Bioprinted hlwb tuaj yeem coj tus kheej ntawm qia hlwb; lawv faib, loj hlob, thiab nthuav qhia cov noob tshwj xeeb.
Txoj kev tshawb no qhia txog lub peev xwm muaj zog ntawm kev siv 3D bioprinting los txheeb xyuas cov ntsiab lus zoo uas xav tau los tswj cov nroj tsuag ntawm tes thiab kev sib txuas lus hauv ib puag ncig tswj.
Txoj kev tshawb no tau luam tawm nyob rau hauv phau ntawv journal Kev Txhawb Kev Tshawb Fawb.