2026-04-11 15:08:15
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人ren造zao心xin髒zang的de出chu現xian將jiang很hen大da程cheng度du地di刺ci激ji科ke學xue家jia研yan製zhi人ren造zao腎shen和he胰yi腺xian,然ran而er一yi項xiang關guan鍵jian性xing的de技ji術shu障zhang礙ai是shi如ru何he為wei人ren造zao器qi官guan植zhi入ru體ti內nei之zhi後hou持chi續xu供gong電dian。科ke學xue家jia並bing不bu是shi采cai用yong將jiang人ren造zao器qi官guan與yu外wai部bu係xi統tong相xiang連lian接jie進jin行xing持chi續xu性xing供gong電dian,或huo者zhe將jiang它ta們men從cong人ren體ti內nei移yi除chu進jin行xing電dian池chi更geng換huan,他ta們men計ji劃hua利li用yong人ren體ti自zi身shen組zu織zhi為wei人ren造zao器qi官guan提ti供gong持chi續xu電dian流liu。目mu前qian,科ke學xue家jia希xi望wang未wei來lai植zhi入ru人ren體ti的de人ren造zao器qi官guan不bu采cai用yong電dian池chi,而er是shi利li用yong人ren體ti自zi身shen作zuo為wei燃ran料liao源yuan產chan生sheng能neng量liang。科ke學xue家jia在zai最zui新xin實shi驗yan研yan究jiu中zhong將jiang微wei型xing電dian池chi植zhi入ru老lao鼠shu體ti內nei,通tong過guo老lao鼠shu自zi身shen體ti內nei的de糖tang物wu質zhi可ke產chan生sheng電dian流liu,使shi微wei型xing電dian池chi持chi續xu供gong電dian數shu個ge月yue。
迄今功能最強大的糖動力燃料電池叫做“葡萄糖生物燃料電池”,它依賴於人體酶進行化學反應產生電流,例如:葡萄糖和氧氣結合在一起(這兩種物質都存在於實驗老鼠體內),這種被稱為“氧化還原調解劑”的de混hun合he物wu質zhi就jiu像xiang是shi電dian線xian,持chi續xu向xiang人ren造zao器qi官guan供gong電dian。科ke學xue家jia們men正zheng在zai研yan製zhi類lei似si的de多duo樣yang化hua裝zhuang置zhi以yi環huan保bao方fang式shi產chan生sheng電dian流liu。但dan在zai過guo去qu這zhe種zhong葡pu萄tao糖tang燃ran料liao電dian池chi並bing不bu適shi合he於yu人ren體ti移yi植zhi,這zhe是shi由you於yu該gai電dian池chi不bu是shi要yao求qiu較jiao高gao的de酸suan性xing狀zhuang態tai工gong作zuo,就jiu是shi被bei體ti內nei多duo種zhong離li子zi所suo抑yi製zhi。最zui新xin研yan製zhi的de電dian池chi係xi統tong不bu受shou以yi上shang條tiao件jian的de限xian製zhi,成cheng為wei首shou個ge有you效xiao植zhi入ru性xing葡pu萄tao糖tang生sheng物wu電dian池chi,其qi設she計ji原yuan型xing在zai實shi驗yan老lao鼠shu體ti內nei可ke持chi續xu供gong電dian至zhi少shao3個月之久。
之(zhi)前(qian),葡(pu)萄(tao)糖(tang)生(sheng)物(wu)燃(ran)料(liao)電(dian)池(chi)通(tong)過(guo)化(hua)學(xue)鍵(jian)接(jie)結(jie)合(he)將(jiang)葡(pu)萄(tao)糖(tang)和(he)氧(yang)化(hua)還(hai)原(yuan)調(tiao)解(jie)劑(ji)組(zu)合(he)在(zai)一(yi)起(qi)靠(kao)近(jin)電(dian)極(ji)區(qu)域(yu),但(dan)是(shi)並(bing)不(bu)是(shi)所(suo)有(you)的(de)酶(mei)和(he)氧(yang)化(hua)還(hai)原(yuan)調(tiao)解(jie)劑(ji)能(neng)夠(gou)結(jie)合(he)一(yi)起(qi)。對(dui)此(ci),研(yan)究(jiu)人(ren)員(yuan)在(zai)這(zhe)兩(liang)種(zhong)物(wu)質(zhi)結(jie)合(he)之(zhi)前(qian),先(xian)將(jiang)它(ta)們(men)物(wu)理(li)裝(zhuang)配(pei)在(zai)電(dian)極(ji)區(qu)域(yu),然(ran)後(hou)用(yong)滲(shen)析(xi)袋(dai)的(de)薄(bo)膜(mo)進(jin)行(xing)包(bao)裹(guo)。這(zhe)種(zhong)半(ban)透(tou)膜(mo)能(neng)夠(gou)使(shi)產(chan)生(sheng)電(dian)流(liu)的(de)同(tong)時(shi)保(bao)持(chi)酶(mei)和(he)氧(yang)化(hua)還(hai)原(yuan)調(tiao)解(jie)劑(ji)避(bi)免(mian)滲(shen)漏(lou)。這(zhe)種(zhong)解(jie)決(jue)方(fang)法(fa)使(shi)科(ke)學(xue)家(jia)有(you)機(ji)會(hui)調(tiao)查(zha)分(fen)析(xi)人(ren)體(ti)內(nei)最(zui)具(ju)適(shi)應(ying)能(neng)力(li)的(de)酶(mei)物(wu)質(zhi),在(zai)此(ci)之(zhi)前(qian)研(yan)究(jiu)人(ren)員(yuan)往(wang)往(wang)對(dui)此(ci)疏(shu)忽(hu)。這(zhe)種(zhong)植(zhi)入(ru)電(dian)池(chi)供(gong)電(dian)方(fang)式(shi)依(yi)賴(lai)於(yu)裝(zhuang)載(zai)葡(pu)萄(tao)糖(tang)氧(yang)代(dai)寫(xie)論(lun)文(wen)化(hua)酶(mei)和(he)多(duo)酚(fen)氧(yang)化(hua)酶(mei)的(de)混(hun)合(he)石(shi)墨(mo)盤(pan),它(ta)的(de)兩(liang)極(ji)總(zong)共(gong)占(zhan)據(ju)5毫升燃料電池中的0.266毫升,最高可產生6.5微瓦電流。研究人員強調稱,1毫升體積的該電極相當於可產生24.4微瓦電流,這比10微瓦起膊器電流高出許多。同時,新型電池係統在體積上更具優勢,起搏器體積通常為10~25毫升。
基(ji)於(yu)在(zai)老(lao)鼠(shu)實(shi)驗(yan)體(ti)的(de)成(cheng)功(gong)測(ce)試(shi),目(mu)前(qian)外(wai)科(ke)手(shou)術(shu)中(zhong)已(yi)采(cai)用(yong)了(le)這(zhe)種(zhong)設(she)計(ji)原(yuan)型(xing)進(jin)行(xing)人(ren)體(ti)植(zhi)入(ru)手(shou)術(shu),至(zhi)今(jin)尚(shang)未(wei)發(fa)現(xian)這(zhe)種(zhong)電(dian)池(chi)不(bu)適(shi)合(he)應(ying)用(yong)於(yu)人(ren)體(ti)的(de)任(ren)何(he)原(yuan)因(yin)。研(yan)究(jiu)人(ren)員(yuan)指(zhi)出(chu),第(di)一(yi)個(ge)將(jiang)燃(ran)料(liao)電(dian)池(chi)植(zhi)入(ru)人(ren)體(ti)可(ke)適(shi)用(yong)於(yu)人(ren)造(zao)泌(mi)尿(niao)括(kuo)約(yue)肌(ji),該(gai)人(ren)造(zao)器(qi)官(guan)要(yao)求(qiu)200微瓦電流。當前每年大約有1億(yi)尿(niao)失(shi)禁(jin)患(huan)者(zhe)飽(bao)嚐(chang)前(qian)列(lie)腺(xian)移(yi)除(chu)後(hou)的(de)痛(tong)苦(ku),他(ta)們(men)惟(wei)一(yi)的(de)解(jie)決(jue)方(fang)法(fa)就(jiu)是(shi)將(jiang)一(yi)個(ge)沉(chen)重(zhong)的(de)泵(beng)植(zhi)入(ru)患(huan)者(zhe)陰(yin)囊(nang),使(shi)患(huan)者(zhe)小(xiao)便(bian)時(shi)產(chan)生(sheng)壓(ya)力(li)作(zuo)用(yong)。未(wei)來(lai)更(geng)深(shen)入(ru)的(de)研(yan)究(jiu)目(mu)標(biao)可(ke)將(jiang)燃(ran)料(liao)電(dian)池(chi)應(ying)用(yong)於(yu)人(ren)造(zao)腎(shen),該(gai)人(ren)造(zao)器(qi)官(guan)需(xu)要(yao)20weiwadianliu,renzaoxinzangyeshiyanjiumubiaozhiyi,dangaiqiguanxuyaozhishaojiwadianliu。yanjiurenyuanbiaoshi,youputaotangshengwuranliaodianchichongdianderenzaoxinzangrengshiweilaichangqideyanjiumu。