工作電(dian)(dian)(dian)(dian)極(ji)(ji)表面(mian)產生(sheng)(sheng)的(de)氧(yang)(yang)化(hua)(hua)(hua)(hua)還(huan)原，并在電(dian)(dian)(dian)(dian)壓的(de)作用(yong)下進一步電(dian)(dian)(dian)(dian)離(li)得(de)到(dao)游離(li)電(dian)(dian)(dian)(dian)子，上式為葡萄(tao)糖氧(yang)(yang)化(hua)(hua)(hua)(hua)還(huan)原反應(ying)的(de)化(hua)(hua)(hua)(hua)學方(fang)程。葡萄(tao)糖氧(yang)(yang)化(hua)(hua)(hua)(hua)酶氧(yang)(yang)化(hua)(hua)(hua)(hua)葡萄(tao)糖產生(sheng)(sheng)葡萄(tao)糖酸和過氧(yang)(yang)化(hua)(hua)(hua)(hua)氫，過氧(yang)(yang)化(hua)(hua)(hua)(hua)氫的(de)強氧(yang)(yang)化(hua)(hua)(hua)(hua)力(li)，使(shi)氫離(li)子不會還(huan)原成氫。電(dian)(dian)(dian)(dian)流使(shi)過氧(yang)(yang)化(hua)(hua)(hua)(hua)氫解離(li)以獲得(de)兩個自由電(dian)(dian)(dian)(dian)子。根據測得(de)的(de)電(dian)(dian)(dian)(dian)荷數，可以計算出(chu)葡萄(tao)糖濃度(du)。實(shi)際應(ying)用(yong)中，不可避免(mian)存在微量的(de)反應(ying)電(dian)(dian)(dian)(dian)流會流過參比電(dian)(dian)(dian)(dian)極(ji)(ji)，改變控制回路的(de)電(dian)(dian)(dian)(dian)壓，產生(sheng)(sheng)錯誤的(de)測量結(jie)果。因為這(zhe)種現(xian)象的(de)存在，必須要恒(heng)電(dian)(dian)(dian)(dian)位(wei)電(dian)(dian)(dian)(dian)路來滿(man)足三電(dian)(dian)(dian)(dian)極(ji)(ji)穩定工作條件(jian)的(de)這(zhe)一特性。生(sheng)(sheng)物電(dian)(dian)(dian)(dian)極(ji)(ji)薄膜要求具(ju)備結(jie)合(he)力(li)強、表面(mian)致(zhi)密性好、導電(dian)(dian)(dian)(dian)能力(li)強等特點。太原微納叉指(zhi)電(dian)(dian)(dian)(dian)極(ji)(ji)

銀(yin)(yin)/氯(lv)化(hua)(hua)(hua)(hua)(hua)(hua)銀(yin)(yin)電(dian)極(ji)(ji)(ji)是常使用的參比電(dian)極(ji)(ji)(ji)之一，同(tong)時也(ye)是商用化(hua)(hua)(hua)(hua)(hua)(hua)的生物醫用電(dian)極(ji)(ji)(ji)，目前的應用于(yu)各類電(dian)化(hua)(hua)(hua)(hua)(hua)(hua)學傳(chuan)感器(qi)、生物傳(chuan)感器(qi)以及生物醫用電(dian)極(ji)(ji)(ji)。銀(yin)(yin)/氯(lv)化(hua)(hua)(hua)(hua)(hua)(hua)銀(yin)(yin)參比電(dian)極(ji)(ji)(ji)，雖然其具(ju)有(you)優異(yi)的電(dian)位(wei)穩定性(xing)(xing)，但由于(yu)在(zai)保存(cun)和(he)使用過程(cheng)中需要(yao)經(jing)常更換電(dian)解(jie)液(ye)，以及不可避(bi)免的存(cun)在(zai)液(ye)接電(dian)勢影響了檢測的準確性(xing)(xing)。銀(yin)(yin)/氯(lv)化(hua)(hua)(hua)(hua)(hua)(hua)銀(yin)(yin)電(dian)極(ji)(ji)(ji)有(you)多種制備(bei)方(fang)法，利用銀(yin)(yin)和(he)氯(lv)化(hua)(hua)(hua)(hua)(hua)(hua)銀(yin)(yin)材料可以漿(jiang)料化(hua)(hua)(hua)(hua)(hua)(hua)的特(te)點(dian)，通過銀(yin)(yin)/氯(lv)化(hua)(hua)(hua)(hua)(hua)(hua)銀(yin)(yin)電(dian)極(ji)(ji)(ji)漿(jiang)料制備(bei)研究，實現絲網印(yin)刷工藝制備(bei)銀(yin)(yin)/氯(lv)化(hua)(hua)(hua)(hua)(hua)(hua)銀(yin)(yin)漿(jiang)料電(dian)極(ji)(ji)(ji)，具(ju)有(you)設(she)計靈活、小巧(qiao)輕(qing)便、結(jie)構簡單、成本低廉、重復性(xing)(xing)好、一致性(xing)(xing)高、適宜工業(ye)化(hua)(hua)(hua)(hua)(hua)(hua)生產等優點(dian)。南通金叉指(zhi)電(dian)極(ji)(ji)(ji)生物叉指(zhi)電(dian)極(ji)(ji)(ji)一般分為生物電(dian)檢測電(dian)極(ji)(ji)(ji)與刺激電(dian)極(ji)(ji)(ji)。

可用(yong)(yong)于(yu)水環境(jing)中檢測(ce)大(da)腸桿菌的(de)(de)叉(cha)(cha)(cha)指電(dian)(dian)(dian)極生(sheng)物傳(chuan)感(gan)器(qi)，該傳(chuan)感(gan)器(qi)是通過在(zai)叉(cha)(cha)(cha)指電(dian)(dian)(dian)極陣(zhen)列上修飾生(sheng)物分(fen)子(zi)制備得到。首先利(li)用(yong)(yong)微制造技(ji)術通過蒸(zheng)發鍍(du)膜、光刻、濕(shi)法腐蝕(shi)等工藝在(zai)基底上制備叉(cha)(cha)(cha)指微電(dian)(dian)(dian)極陣(zhen)列，然后利(li)用(yong)(yong)生(sheng)物修飾技(ji)術在(zai)叉(cha)(cha)(cha)指電(dian)(dian)(dian)極陣(zhen)列的(de)(de)微間(jian)隙中捕獲大(da)腸桿菌，進而在(zai)叉(cha)(cha)(cha)指電(dian)(dian)(dian)極表面產生(sheng)銀沉淀，使叉(cha)(cha)(cha)指電(dian)(dian)(dian)極導通。通過測(ce)量(liang)叉(cha)(cha)(cha)指電(dian)(dian)(dian)極的(de)(de)電(dian)(dian)(dian)導值，可實現對大(da)腸桿菌的(de)(de)定量(liang)檢測(ce)分(fen)析(xi)。這種叉(cha)(cha)(cha)指電(dian)(dian)(dian)極生(sheng)物傳(chuan)感(gan)器(qi)不但(dan)可用(yong)(yong)于(yu)大(da)腸桿菌的(de)(de)檢測(ce)，還可應用(yong)(yong)于(yu)其它微生(sheng)物的(de)(de)檢測(ce)。

無(wu)創檢測(ce)(ce)具有(you)不(bu)(bu)(bu)侵入人體、不(bu)(bu)(bu)造成創傷的(de)優點，目的(de)在于不(bu)(bu)(bu)對使用者造成創傷的(de)前(qian)提下，通(tong)(tong)過(guo)傳感器(qi)間接的(de)檢測(ce)(ce)相(xiang)關生理特征和(he)生化參(can)數(shu)，因此無(wu)創檢測(ce)(ce)方法也(ye)稱為間接測(ce)(ce)量(liang)(liang)(liang)。雖有(you)現在有(you)多種關于無(wu)創血糖檢測(ce)(ce)技術被提出并驗證(zheng)，但是無(wu)創測(ce)(ce)量(liang)(liang)(liang)方法通(tong)(tong)常需要(yao)通(tong)(tong)過(guo)多參(can)數(shu)測(ce)(ce)量(liang)(liang)(liang)的(de)推算，建立數(shu)學模型(xing)等(deng)間接反映出血糖濃度(du)，測(ce)(ce)量(liang)(liang)(liang)結果普(pu)遍遜色于需要(yao)侵入的(de)有(you)創測(ce)(ce)量(liang)(liang)(liang)精度(du)。由于面臨不(bu)(bu)(bu)可避(bi)免的(de)強外部(bu)干擾、個體差異較大等(deng)客觀問題，導致測(ce)(ce)量(liang)(liang)(liang)數(shu)據不(bu)(bu)(bu)穩定，準確性不(bu)(bu)(bu)高。叉指電極是實現電子皮(pi)膚的(de)重要(yao)部(bu)分。

又指(zhi)電(dian)(dian)(dian)極(ji)傳感(gan)(gan)器(qi)誕生(sheng)后發展非常迅速，首先是制作(zuo)方(fang)(fang)法種類多樣(yang)，諸如納(na)米壓(ya)印、絲(si)網印刷、剝離以(yi)(yi)及(ji)(ji)電(dian)(dian)(dian)鍍，這(zhe)些加工方(fang)(fang)法因各(ge)自的(de)(de)(de)(de)不同(tong)優勢而被用于(yu)電(dian)(dian)(dian)極(ji)制作(zuo)上。而它(ta)的(de)(de)(de)(de)檢(jian)(jian)測(ce)方(fang)(fang)法同(tong)樣(yang)靈活、多樣(yang)，可(ke)以(yi)(yi)利用前(qian)處(chu)理后結合叉指(zhi)電(dian)(dian)(dian)極(ji)進(jin)(jin)行檢(jian)(jian)測(ce),也可(ke)以(yi)(yi)修飾抗體(ti)作(zuo)為(wei)敏感(gan)(gan)層進(jin)(jin)行生(sheng)物特異選擇(ze)完成無(wu)標記(ji)檢(jian)(jian)測(ce),同(tong)樣(yang)也可(ke)以(yi)(yi)用特殊化(hua)學物質作(zuo)為(wei)敏感(gan)(gan)層進(jin)(jin)行特異選擇(ze)，為(wei)了增強其(qi)靈敏度(du)(du)(du)可(ke)以(yi)(yi)在電(dian)(dian)(dian)極(ji)表面進(jin)(jin)行納(na)米材料修飾以(yi)(yi)增大比表面積。叉指(zhi)陣列微電(dian)(dian)(dian)極(ji)的(de)(de)(de)(de)靈敏度(du)(du)(du)，在檢(jian)(jian)測(ce)中的(de)(de)(de)(de)選擇(ze)性以(yi)(yi)及(ji)(ji)金(jin)電(dian)(dian)(dian)極(ji)自身的(de)(de)(de)(de)導電(dian)(dian)(dian)性能(neng)(neng)以(yi)(yi)及(ji)(ji)偶(ou)聯識別抗體(ti)的(de)(de)(de)(de)能(neng)(neng)力仍然是它(ta)在食品、環境安全檢(jian)(jian)測(ce)等(deng)應(ying)用中尚需解決(jue)或(huo)優化(hua)的(de)(de)(de)(de)問題，綜(zong)上所述我(wo)們仍需要提(ti)升叉指(zhi)電(dian)(dian)(dian)極(ji)的(de)(de)(de)(de)靈敏度(du)(du)(du)，賦(fu)予其(qi)選擇(ze)性，以(yi)(yi)及(ji)(ji)對電(dian)(dian)(dian)極(ji)本身的(de)(de)(de)(de)微觀結構、宏觀結構進(jin)(jin)行調(diao)整優化(hua)使得(de)叉指(zhi)電(dian)(dian)(dian)極(ji)能(neng)(neng)更好的(de)(de)(de)(de)應(ying)用到檢(jian)(jian)測(ce)中。柔性電(dian)(dian)(dian)子較(jiao)高的(de)(de)(de)(de)力學性能(neng)(neng)使其(qi)更加適用于(yu)可(ke)穿(chuan)戴電(dian)(dian)(dian)子、人機交互、軟體(ti)機器(qi)人等(deng)電(dian)(dian)(dian)子領域(yu)。福建叉指(zhi)電(dian)(dian)(dian)極(ji)研發合作(zuo)

電(dian)化(hua)學生物傳(chuan)感器將高靈(ling)敏的電(dian)分析方法和高特異性的生物識(shi)別過程相(xiang)結合。太(tai)原(yuan)微(wei)納叉指電(dian)極

加工后(hou)的(de)(de)(de)芯(xin)(xin)(xin)片(pian)(pian)為(wei)劃(hua)片(pian)(pian)后(hou)用(yong)金(jin)線將芯(xin)(xin)(xin)片(pian)(pian)上(shang)的(de)(de)(de)焊盤和 PCB 板底座上(shang)的(de)(de)(de)焊盤導通，PCB 上(shang)有(you)和外界處(chu)理電(dian)(dian)(dian)(dian)(dian)路相(xiang)連的(de)(de)(de)接口。焊盤處(chu)用(yong)環氧樹脂(zhi)封裝，避(bi)免暴露而引入(ru)噪聲，同時固(gu)定腔體用(yong)于培養(yang)細胞。采用(yong)電(dian)(dian)(dian)(dian)(dian)鍍(du)鉑黑(hei)的(de)(de)(de)方法來提升電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)比(bi)表(biao)面積，在電(dian)(dian)(dian)(dian)(dian)鍍(du)前，芯(xin)(xin)(xin)片(pian)(pian)表(biao)面用(yong)酒精和去離子水(shui)交替清洗，直至顯(xian)微(wei)鏡下(xia)觀(guan)察到電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)上(shang)無異物(wu)并呈亮(liang)金(jin)色。電(dian)(dian)(dian)(dian)(dian)鍍(du)鉑黑(hei)的(de)(de)(de)溶液出 1%的(de)(de)(de)氯酸(suan)和0.01%的(de)(de)(de)醋酸(suan)鉛(qian)配制(zhi)(zhi)而成。以微(wei)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)為(wei)工作電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)，Ag/AgCI 電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)為(wei)參(can)考(kao)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)，鉑電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)為(wei)對電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)，恒(heng)電(dian)(dian)(dian)(dian)(dian)位(wei)工作儀產(chan)生的(de)(de)(de)直流恒(heng)電(dian)(dian)(dian)(dian)(dian)壓 0.01mV 為(wei)工作電(dian)(dian)(dian)(dian)(dian)壓，根據(ju)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)大(da)小(xiao)控制(zhi)(zhi)時間，直徑為(wei)30um的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)所需電(dian)(dian)(dian)(dian)(dian)鍍(du)時間約為(wei)20~25s。電(dian)(dian)(dian)(dian)(dian)鍍(du)后(hou)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)位(wei)點表(biao)面早黑(hei)色棉絮狀(zhuang),明(ming)顯(xian)增(zeng)加了(le)電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)表(biao)面的(de)(de)(de)粗糙程(cheng)度。處(chu)理后(hou)的(de)(de)(de)芯(xin)(xin)(xin)片(pian)(pian)可用(yong)純水(shui)清洗，去除離散(san)的(de)(de)(de)鉑黑(hei)微(wei)粒，浸于純水(shui)環境中(zhong)，并避(bi)光(guang)保存，避(bi)免芯(xin)(xin)(xin)片(pian)(pian)表(biao)面生長微(wei)生物(wu)而受到污染。太原微(wei)納叉指電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)

芯云納(na)米(mi)技(ji)術（蘇(su)州）有限公司(si)在(zai)微(wei)針，叉(cha)指電極(ji)，微(wei)納(na)加工，生物芯片(pian)定制一直在(zai)同行(xing)業(ye)中(zhong)處于較強(qiang)地位，無論(lun)是(shi)產品還是(shi)服務，其高水(shui)平的能力始終貫穿于其中(zhong)。公司(si)位于若(ruo)水(shui)路388號蘇(su)州納(na)米(mi)技(ji)術國家大學科技(ji)園B幢1102室(shi)，成(cheng)立于2014-08-04，迄(qi)今已經成(cheng)長為(wei)電子(zi)元器(qi)件(jian)行(xing)業(ye)內同類型(xing)企業(ye)的佼(jiao)佼(jiao)者。公司(si)承擔并建(jian)設完成(cheng)電子(zi)元器(qi)件(jian)多項重(zhong)點項目，取得了明顯的社會和經濟效益。多年來，已經為(wei)我國電子(zi)元器(qi)件(jian)行(xing)業(ye)生產、經濟等(deng)的發展(zhan)做(zuo)出(chu)了重(zhong)要貢獻。

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