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小鼠(shǔ)溶(róng)菌酶 ELISA試(shì)劑盒(hé)的保(bǎo)溫(wēn)方法:
溫育(yù)常采用的(dí)溫(wēn)度有43℃,37℃,室溫和(hé)4℃等。37℃是實(shí)驗室中(zhōng)常(cháng)用的(dí)保(bǎo)溫(wēn)溫(wēn)度,也是大多數(shù)抗(kàng)原抗(kàng)體結合的(dí)合(hé)適溫度(dù)。在建(jiàn)立ELISA方法作反應(yīng)動力學(xué)研究時,實驗表明(míng),兩(liǎng)次(cì)抗原抗體(tǐ)反應(yīng)一(yī)般(bān)在(zài)37℃經1~2小時,產(chǎn)物的生成(chéng)可(kě)達(dá)頂(dǐng)峰。為加速(sù)反(fǎn)應,可提高(gāo)反(fǎn)應的溫度(dù),有些(xiē)試驗(yàn)在(zài)43℃進(jìn)行,但(dàn)不宜采(cǎi)用更(gēng)高的溫度(dù)。抗原抗體反(fǎn)應4℃更為徹底,在放(fàng)射免疫(yì)測定(dìng)中多(duō)使反(fǎn)應(yīng)在(zài)冰(bīng)箱(xiāng)中(zhōng),以(yǐ)形(xíng)成zui多的沉(chén)澱(diàn)。但因(yīn)所(suǒ)需(xū)時間太長,在(zài)elisa試劑盒白介(jiè)素類中(zhōng)一般(bān)不(bù)予(yú)采用。保溫的(dí)方(fāng)式(shì)除有的ELISA儀器附(fù)有(yǒu)特製的電熱(rè)塊外,一般均(jūn)采用水(shuǐ)浴,可(kě)將(jiāng)ELISA試劑盒板置於水(shuǐ)浴箱(xiāng)中(zhōng),ELISA板底應(yīng)貼著水麵(miàn),使溫度迅(xùn)速(sù)平(píng)衡。為避(bì)免蒸發(fā),板(bǎn)上應加(jiā)蓋,也可用塑(sù)料(liào)貼(tiē)封(fēng)紙(zhǐ)或保鮮(xiān)膜(mó)覆(fù)蓋(gài)板孔,此(cǐ)時(shí)可讓(ràng)反(fǎn)應板漂浮在水麵(miàn)上(shàng)。若用保(bǎo)溫(wēn)箱,ELISA試(shì)劑(jì)盒應(yīng)放在濕盒內,濕盒(hé)要(yào)選(xuǎn)用傳熱(rè)性(xìng)良好(hǎo)的材料(liào)如金屬等,在盒底(dǐ)墊(diàn)濕的(dí)紗布(bù),zui後將ELISA板放在(zài)濕紗布(bù)上。濕(shī)盒應先放在保(bǎo)溫箱中預(yù)溫至規(guī)定(dìng)的溫度,特別是在氣(qì)溫較(jiào)低(dī)的時候更(gēng)應如此。無論(lùn)是水(shuǐ)浴還(huán)是濕(shī)盒(hé)溫(wēn)育(yù),反應板均不(bù)宜疊放(fàng),以(yǐ)保證各板的(dí)溫度都能(néng)迅(xùn)速平衡。室溫溫(wēn)育的(dí)反(fǎn)應(yīng),操(cāo)作(zuò)時的(dí)室(shì)溫(wēn)應(yīng)嚴格限製在規(guī)定的(dí)範圍(wéi)內,標準(zhǔn)室溫溫度是指20~25℃,但具體(tǐ)操(cāo)作時可根據說(shuō)明(míng)書的(dí)要求控製溫育。室(shì)溫(wēn)溫育時,elisa試(shì)劑盒(hé) 白(bái)介(jiè)素(sù)類(lèi)隻(zhī)要(yào)平(píng)置於(yú)操(cāo)作台上即可。應注意(yì)溫育的溫度(dù)和(hé)時(shí)間(jiān)應按(àn)規定(dìng)力(lì)求準(zhǔn)確。為(wéi)保證(zhèng)這(zhè)一(yī)點,一(yī)個(gè)人(rén)操作時,一(yī)次(cì)不宜多於兩塊(kuài)板同時(shí)測定(dìng)。
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