usscientistshavesuccessfullycultivatedhumanhearttissueonspinachleaves,andmanagedtomakeitbeatforuptothreeweeks .美国科学家认为菠萝的bioengineersglenngaudetteandjoshuagershlakatmassachusettsworcesterpolytechnicinstitute (WPI ) ledthisresearchandtheirfindingsarevaluabletoadeadlymedicalproblem : thelackofdonororgans .马萨诸塞州伍斯特理工大学的生物工程师格伦戈德和约新的医疗问题捐赠者的不足是非常有价值的scientistshavelongbeentryingdifferentmethods、such as 3-D printing、tocreateartificialorgang。sofarnoneofthosemethodshasbeensuccessful .长期以来,科学家们试图用3D打印机等各种方法制造人工器官,但这些方法一直没有奏效。oneofthebigproblemsinengineeringheartmuscleisgettingbloodflowtoallofthecells .人工生产心肌的主要问题之一是使血液流向所有细胞。
insteadofcreatingminusculebloodvessels, researchersturnedtothematerialthatevolvesinnature : spinach leaves是whichavevesselsthataresimilartothebloodvesselsinahumanhh 菠萝叶的叶脉接近人体心脏的血管。theyuseddetergenttowashawayspinachcells.cellulose,which is compatible to mammal cells, andintactleafveinswereleftbehind the frame of the leaves was reserved .研究者用洗涤剂浸泡菠菜细胞,留下了与哺乳动物细胞兼容的细胞质和原始的叶脉。
所以叶子的结构要求保有。在thenresearchersseedcardiacmusclecellsintothevacancyleftbyspinachcellsandafterfivedaysthemusclecellstartedtobeat .之后,研究人员发现心肌。
本文关键词:友e家娱乐官网,菠萝叶,美国科学家,叶子的结构,细胞
本文来源:友e家娱乐平台-www.yaboyule299.icu