試劑盒名稱：大鼠艾杜糖硫酸酯酶(IDS)ELISA試劑盒 
規(guī) 格：48T/96T
品牌：進(jìn)口/國(guó)產(chǎn)
產(chǎn)品的用途：僅供科研究使用！
價(jià)格：全國(guó)：或咨詢?cè)诰€客服,或者以郵件形式發(fā)到我司741653262，齊一生物科技（上海）有限公司提供大量品牌進(jìn)口原裝，分裝，以及穩(wěn)定性強(qiáng)的國(guó)產(chǎn)ELISA試劑盒，性價(jià)比*。
大鼠艾杜糖硫酸酯酶(IDS)ELISA試劑盒 簡(jiǎn)介：
ELISA檢測(cè)試劑盒、ELISA Kit、酶聯(lián)免疫試劑盒、酶聯(lián)免疫吸附測(cè)定試劑盒、酶聯(lián)免疫分析試劑盒、酶免試劑盒等，比較常見的叫法是ELISA檢測(cè)試劑盒、酶聯(lián)免疫吸附測(cè)定試劑盒等 ELISA試劑盒自從60-70年代問世以來，得到*科研工作者的認(rèn)可及推崇，在歐美及中國(guó)獲得很大的推廣，尤其是國(guó)內(nèi)生化領(lǐng)域的長(zhǎng)足發(fā)展。 Elisa生物試驗(yàn)是一種敏感性高，特異性強(qiáng)，重復(fù)性好的實(shí)驗(yàn)診斷方法。由于其試劑穩(wěn)定、易保存，操作簡(jiǎn)便，結(jié)果判斷較客觀等因素，已廣泛應(yīng)用在免疫學(xué)檢驗(yàn)的各領(lǐng)域中。ELISA檢測(cè)試劑盒適用于體外定性檢測(cè)人血清或血漿中的抗人類戊型肝炎（HEV）病毒 IgM 抗體ELISA檢測(cè)。
2用途
elisa技術(shù)流程
ELISA的基礎(chǔ)是抗原或抗體的固相化及抗原或抗體的酶標(biāo)記。結(jié)合在固相載體表面的抗原或抗體仍保持其免疫學(xué)活性，酶標(biāo)記的抗原或抗體既保留其免疫學(xué)活性，又保留酶的活性。在測(cè)定時(shí)，受檢標(biāo)本（測(cè)定其中的抗體或抗原）與固相載體表面的抗原或抗體起反應(yīng)。用洗滌的方法使固相載體上形成的抗原抗體復(fù)合物與液體中的其他物質(zhì)分開。再加入酶標(biāo)記的抗原或抗體，也通過反應(yīng)而結(jié)合在固相載體上。此時(shí)固相上的酶量與標(biāo)本中受檢物質(zhì)的量呈一定的比例。加入酶反應(yīng)的底物后，底物被酶催化成為有色產(chǎn)物，產(chǎn)物的量與標(biāo)本中受檢物質(zhì)的量直接相關(guān)，故可根據(jù)呈色的深淺進(jìn)行定性或定量分析。由于酶的催化效率很高，間接地放大了免疫反應(yīng)的結(jié)果，使測(cè)定方法達(dá)到很高的敏感度。 ELISA可用于測(cè)定抗原，也可用于測(cè)定抗體。
然而，影響Elisa試驗(yàn)結(jié)果的因素很多，故加強(qiáng)各個(gè)環(huán)節(jié)的質(zhì)量保證才能充分發(fā)揮其方法學(xué)的優(yōu)點(diǎn)。
大鼠艾杜糖硫酸酯酶(IDS)ELISA試劑盒 試驗(yàn)原理
試劑盒是固相夾心法酶聯(lián)免疫吸附實(shí)驗(yàn)（ELISA）.已知濃度的標(biāo)準(zhǔn)品、未知濃度的樣品加入微孔酶標(biāo)板內(nèi)進(jìn)行檢測(cè)。先將生物素標(biāo)記的抗體同時(shí)溫育。洗滌后，加入親和素標(biāo)記過的HRP。再經(jīng)過溫育和洗滌，去除未結(jié)合的酶結(jié)合物，然后加入底物A、B，和酶結(jié)合物同時(shí)作用。產(chǎn)生顏色。顏色的深淺和樣品中的濃度呈比例關(guān)系。
原理
免疫測(cè)定技術(shù)的基礎(chǔ)在于抗原抗體之間的特異結(jié)合反應(yīng)，所以任何優(yōu)質(zhì)的診斷試劑離不開優(yōu)質(zhì)的原料，如抗原抗體，酶等。以前用于免疫測(cè)定的抗原通常為各種純化抗原，而抗體則為純化抗原免疫動(dòng)物后獲得的多克隆抗體和使用雜交瘤技術(shù)得到的單克隆抗體，而抗原或抗體的標(biāo)記物如酶標(biāo)結(jié)合物則通過各種化學(xué)合成方法制備。近年來，隨著分子生物學(xué)的發(fā)展，使用基因工程方法制備各種特殊的抗原或抗體及其酶結(jié)合物等免疫測(cè)定試劑幾成為現(xiàn)實(shí)的新一代試劑，各種新型使用的測(cè)定方法也不斷出現(xiàn)。
HBsAg試劑特點(diǎn)（檢測(cè)模式：臨床抗體夾心法）：包被抗體為山羊多抗。多抗具有高親和性和對(duì)抗原各種表位的反應(yīng)性。酶表抗體為與HBsAg有不同結(jié)合位點(diǎn)的鼠復(fù)合單位，可測(cè)得HBsAg變異樣品，提高檢測(cè)的特異性（99.98%）提高檢測(cè)的靈敏度，應(yīng)用Parl Ehrich 學(xué)說（PEI）HBsAg標(biāo)準(zhǔn)品，對(duì)ad標(biāo)準(zhǔn)品的靈敏度為0.05ng/ml對(duì)ay標(biāo)準(zhǔn)品靈敏度為0.025ng/ml
ELISA檢測(cè)試劑盒應(yīng)用定性夾心免疫檢測(cè)技術(shù)，用合成的HEV多肽抗原包被微孔板板條，這些多肽是中國(guó)型HEV毒株核心氨基酸序列中抗原性很強(qiáng)的肽段，分別來自于該毒株的開放閱讀框2和開放閱讀框3。將樣品或標(biāo)準(zhǔn)品加入孔中并孵育，如果其中存在HEV IgM抗體，這些抗體就會(huì)與HEV 的多肽抗原結(jié)合，并固定在上面，洗板除去其它非特異性抗體和樣品中的其它成份。然后加入羊抗人IgM-HRP（辣根過氧化物酶）酶結(jié)合物，經(jīng)第二次孵育后，酶結(jié)合物就會(huì)與*次孵育結(jié)合上的HEV IgM抗體相結(jié)合，洗板除去未結(jié)合的酶結(jié)合物，加入TMB底物溶液，在第三次孵育時(shí)會(huì)發(fā)生酶-底物反應(yīng)，只有那些含有HEV IgM抗體和酶結(jié)合物所形成的復(fù)合物的孔才會(huì)發(fā)生顏色變化，加入硫酸溶液終止酶和底物間的反應(yīng)，并在波長(zhǎng): 450nm處測(cè)量O.D.值,按照本HEV IgM抗體elisa試劑盒的測(cè)試標(biāo)準(zhǔn), O.D.值大于或等于Cut-Off值的樣品被認(rèn)為是初試陽性。

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