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肺炎衣原體ELISA試劑盒定性說(shuō)明書(shū)

時(shí)間:2011/10/21閱讀:757
分享:

本試劑僅供研究使用.目的:本試劑盒用于測(cè)定人血清,血漿及相關(guān)液體樣本中肺炎衣原體水平。注意事項(xiàng):1.操作嚴(yán)格按照說(shuō)明書(shū)進(jìn)行,本試劑不同批號(hào)組分不得混用。2.試劑盒從冷藏環(huán)境中取出應(yīng)在室溫平衡15-30分鐘后方可使用,酶標(biāo)包被板開(kāi)封后如未用完,板條應(yīng)裝入密封袋中保存。3.濃洗滌液可能會(huì)有結(jié)晶析出,稀釋時(shí)可在水浴中加溫助溶,洗滌時(shí)不影響結(jié)果。4.封板膜只限一次性使用,以避免交叉污染。>5.底物請(qǐng)避光保存。6.試驗(yàn)結(jié)果判定必須以酶標(biāo)儀讀數(shù)為準(zhǔn),使用雙波長(zhǎng)檢測(cè)時(shí),參考波長(zhǎng)為630nm7.所有樣品,洗滌液和各種廢棄物都應(yīng)按傳染物處理。終止液為2M的硫酸,使用時(shí)必須注意安全。實(shí)驗(yàn)原理:本試劑盒采用雙抗體夾心酶聯(lián)免疫法(ELISA)測(cè)定標(biāo)本中人肺炎衣原體。用純化的人肺炎衣原體抗體包被微孔板,制成固相抗體,可與樣品中肺炎衣原體相結(jié)合,經(jīng)洗滌除去未結(jié)合的抗原和其他成分后再與HRP標(biāo)記的肺炎衣原體抗體結(jié)合,形成抗體-抗原-酶標(biāo)抗體復(fù)合物,經(jīng)過(guò)*洗滌后加底物TMB顯色。TMBHRP酶的催化下轉(zhuǎn)化成藍(lán)色,并在酸的作用下轉(zhuǎn)化成zui終的黃色。用酶標(biāo)儀在450nm波長(zhǎng)下測(cè)定吸光度(OD,與CUTOFF值相比較,從而判定標(biāo)本中人肺炎衣原體的存在與否。

試劑盒組成:

試劑盒組成

48孔配置

96孔配置

保存

說(shuō)明書(shū)

1

1

 

封板膜

248

296

 

密封袋

1個(gè)

1個(gè)

 

酶標(biāo)包被板

1×48

1×96

2-8℃保存

陰性對(duì)照

0.5ml×1

0.5ml×1

2-8℃保存

陽(yáng)性對(duì)照

0.5ml×1

0.5ml×1

2-8℃保存

酶標(biāo)試劑

3 ml×1

6 ml×1

2-8℃保存

樣品稀釋液

3 ml×1

6 ml×1

2-8℃保存

顯色劑A

3 ml×1

6 ml×1

2-8℃保存

顯色劑B

3 ml×1

6 ml×1

2-8℃保存

終止液

3ml×1

6ml×1

2-8℃保存

濃縮洗滌液

20ml×20×1

20ml×30×1

2-8℃保存

樣本處理及要求:1.血清:室溫血液自然凝固10-20分鐘,離心20分鐘左右(2000-3000轉(zhuǎn)/。仔細(xì)收集上清,保存過(guò)程中如出現(xiàn)沉淀,應(yīng)再次離心。2.血漿:應(yīng)根據(jù)標(biāo)本的要求選擇EDTA或檸檬酸鈉作為抗凝劑,混合10-20分鐘后,離心20分鐘左右(2000-3000轉(zhuǎn)/。仔細(xì)收集上清,保存過(guò)程中如有沉淀形成,應(yīng)該再次離心。3.尿液:用無(wú)菌管收集,離心20分鐘左右(2000-3000轉(zhuǎn)/。仔細(xì)收集上清,保存過(guò)程中如有沉淀形成,應(yīng)再次離心。胸腹水、腦脊液參照實(shí)行。4.細(xì)胞培養(yǎng)上清:檢測(cè)分泌性的成份時(shí),用無(wú)菌管收集。離心20分鐘左右(2000-3000轉(zhuǎn)/。仔細(xì)收集上清。檢測(cè)細(xì)胞內(nèi)的成份時(shí),用PBS(PH7.2-7.4)稀釋細(xì)胞懸液,細(xì)胞濃度達(dá)到100萬(wàn)/ml左右。通過(guò)反復(fù)凍融,以使細(xì)胞破壞并放出細(xì)胞內(nèi)成份。離心20分鐘左右(2000-3000轉(zhuǎn)/。仔細(xì)收集上清。保存過(guò)程中如有沉淀形成,應(yīng)再次離心。5.組織標(biāo)本:切割標(biāo)本后,稱取重量。加入一定量的PBSPH7.4。用液氮迅速冷凍保存?zhèn)溆谩?biāo)本融化后仍然保持2-8的溫度。加入一定量的PBS(PH7.4),用手工或勻漿器將標(biāo)本勻漿充分。離心20分鐘左右(2000-3000轉(zhuǎn)/。仔細(xì)收集上清。分裝后一份待檢測(cè),其余冷凍備用。6.標(biāo)本采集后盡早進(jìn)行提取,提取按相關(guān)文獻(xiàn)進(jìn)行,提取后應(yīng)盡快進(jìn)行實(shí)驗(yàn)。若不能馬上進(jìn)行試驗(yàn),可將標(biāo)本放于-20保存,但應(yīng)避免反復(fù)凍融.7.不能檢測(cè)含NaN3的樣品,因NaN3抑制辣根過(guò)氧化物酶的(HRP)活性。 操作步驟:1.編號(hào):將樣品對(duì)應(yīng)微孔按序編號(hào),每板應(yīng)設(shè)陰性對(duì)照2孔、陽(yáng)性對(duì)照2孔、空白對(duì)照1空白對(duì)照孔不加樣品及酶標(biāo)試劑,其余各步操作相同)2.加樣:分別在陰、陽(yáng)性對(duì)照孔中加入陰性對(duì)照、陽(yáng)性對(duì)照50μl。然后在待測(cè)樣品孔先加樣品稀釋液40μl,然后再加待測(cè)樣品10μl。加樣將樣品加于酶標(biāo)板孔底部,盡量不觸及孔壁,輕輕晃動(dòng)混勻,3.溫育:用封板膜封板后置37溫育30分鐘。  4.配液:將30(48T20倍濃縮洗滌液加蒸餾水至600ml后備用5.洗滌:小心揭掉封板膜,棄去液體,甩干,每孔加滿洗滌液,靜置30秒后棄去,如此重復(fù)5次,拍干。6.加酶:每孔加入酶標(biāo)試劑50μl,空白孔除外。7.溫育:操作同38.洗滌:操作同59.顯色:每孔先加入顯色劑A 50μl,再加入顯色劑B 50μl,輕輕震蕩混勻,37避光顯色15分鐘10.終止:每孔加終止液50μl,終止反應(yīng)此時(shí)藍(lán)色立轉(zhuǎn)黃色11.測(cè)定:以空白空調(diào)零,450nm波長(zhǎng)依序測(cè)量各孔的吸光度(OD 測(cè)定應(yīng)在加終止液后15分鐘以內(nèi)進(jìn)行。結(jié)果判定:試驗(yàn)有效性:陽(yáng)性對(duì)照孔平均值≥1.00; 陰性對(duì)照平均值≤0.10,臨界值(CUT OFF)計(jì)算:臨界值=陰性對(duì)照孔平均值+0.15,陰性判定:樣品OD< 臨界值(CUT OFF)者為人肺炎衣原體陰性,陽(yáng)性判定:樣品OD臨界值(CUT OFF)者為人肺炎衣原體陽(yáng)性.保存條件及有效期:1.試劑盒保存:;2-82.有效期:6個(gè)月

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