?? 產(chǎn)品基礎(chǔ)信息
- 貨號(hào):0801197
- 品名:IMMUNO-TEK™ Human IgA ELISA
- 檢測(cè)類型:定量酶聯(lián)免疫吸附試驗(yàn)(ELISA)
- 檢測(cè)目標(biāo):人血清、血漿、唾液、乳汁等樣本中的IgA(免疫球蛋白A)
- 規(guī)格:96孔板(獨(dú)立包裝,可拆分使用)
- 適用場(chǎng)景:基礎(chǔ)醫(yī)學(xué)研究、臨床檢驗(yàn)、藥物研發(fā)(如疫苗效果評(píng)估)、流行病學(xué)調(diào)查等。
?? 詳細(xì)介紹:從原理到操作,一次說(shuō)清
IMMUNO-TEK™ Human IgA ELISA采用經(jīng)典的雙抗體夾心法,原理清晰可靠:
1. 包被階段:酶標(biāo)板微孔預(yù)先包被高親和力的抗人IgA單克隆抗體,形成“抗體陷阱";
2. 捕獲階段:樣本(如血清)加入后,其中的IgA會(huì)與包被抗體特異性結(jié)合;
3. 檢測(cè)階段:加入酶標(biāo)記的抗人IgA多克隆抗體,形成“包被抗體-IgA-酶標(biāo)抗體"復(fù)合物;
4. 顯色與定量:添加底物后,酶催化底物生成有色物質(zhì),顏色深淺與樣本中IgA濃度成正比;
5. 數(shù)據(jù)讀取:通過(guò)酶標(biāo)儀(450nm波長(zhǎng))測(cè)定吸光度,結(jié)合標(biāo)準(zhǔn)曲線即可計(jì)算樣本中IgA的具體含量。
操作流程僅需5步:樣本稀釋→加樣孵育→洗滌→加酶標(biāo)抗體→顯色讀數(shù),全程約2.5小時(shí)(含洗滌時(shí)間),無(wú)需復(fù)雜前處理,新手也能快速上手!
? 核心優(yōu)勢(shì):為什么它是實(shí)驗(yàn)室“優(yōu)選"?
1. 高靈敏度與寬線性范圍:檢測(cè)限低至15 ng/mL(具體以說(shuō)明書(shū)為準(zhǔn)),線性范圍覆蓋15-2000 ng/mL,無(wú)需反復(fù)稀釋樣本,減少誤差;
2. 強(qiáng)特異性:包被抗體與多克隆檢測(cè)抗體均經(jīng)嚴(yán)格篩選,幾乎無(wú)交叉反應(yīng)(如與IgG、IgM等無(wú)干擾),結(jié)果更準(zhǔn);
3. 高重復(fù)性與穩(wěn)定性:板間變異系數(shù)(CV)<10%,板內(nèi)CV<8%(實(shí)驗(yàn)室驗(yàn)證數(shù)據(jù)),且試劑穩(wěn)定性強(qiáng)(2-8℃保存12個(gè)月,開(kāi)封后按要求保存仍可使用);
4. 適配性強(qiáng):支持多種樣本類型(血清、血漿、唾液、乳汁等),兼容主流酶標(biāo)儀(如BioTek、PerkinElmer等),科研與臨床場(chǎng)景通用;
5. 合規(guī)性保障:產(chǎn)品符合ISO 13485醫(yī)療器械質(zhì)量管理體系認(rèn)證,生產(chǎn)過(guò)程嚴(yán)格質(zhì)控,數(shù)據(jù)可用于科研論文或臨床報(bào)告。
? 購(gòu)買(mǎi)常見(jiàn)問(wèn)題解答
Q1:樣本需要特殊處理嗎?比如溶血、脂血樣本會(huì)影響結(jié)果嗎?
A:輕度溶血(Hb<500 mg/dL)或脂血樣本通常不影響,但嚴(yán)重溶血/脂血建議離心后取上清檢測(cè);樣本需避免反復(fù)凍融,否則可能導(dǎo)致IgA降解。
Q2:檢測(cè)范圍不夠怎么辦?需要自己稀釋樣本嗎?
A:試劑盒提供的標(biāo)準(zhǔn)曲線已覆蓋15-2000 ng/mL,若樣本濃度高于上限,建議按1:10比例稀釋后檢測(cè)(具體稀釋倍數(shù)需根據(jù)預(yù)實(shí)驗(yàn)調(diào)整)。
Q3:試劑盒包含哪些組分?需要額外購(gòu)買(mǎi)耗材嗎?
A:包含96孔預(yù)包被板、標(biāo)準(zhǔn)品(6瓶)、酶標(biāo)抗體、洗滌緩沖液、顯色底物、終止液、封板膜等,無(wú)需額外購(gòu)買(mǎi)耗材(僅需酶標(biāo)儀、移液器)。
Q4:保存條件是什么?開(kāi)封后能保存多久?
A:未開(kāi)封時(shí)2-8℃保存;開(kāi)封后需密封,避免受潮,建議1個(gè)月內(nèi)用完(具體以實(shí)際收到產(chǎn)品說(shuō)明書(shū)為準(zhǔn))。
Q5:數(shù)據(jù)與其他品牌試劑盒的匹配度高嗎?
A:Zeptometrix的抗體與國(guó)際標(biāo)準(zhǔn)品(如WHO IgA標(biāo)準(zhǔn)品)高度一致,經(jīng)實(shí)驗(yàn)室驗(yàn)證,與主流品牌(如R&D、BD)的檢測(cè)結(jié)果相關(guān)性>0.95(r2值),數(shù)據(jù)可比性強(qiáng)。
更多產(chǎn)品信息,請(qǐng)聯(lián)系中國(guó)區(qū)域代理商:上海起發(fā)實(shí)驗(yàn)試劑有限公司
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(注:本文內(nèi)容基于品牌公開(kāi)資料及行業(yè)常規(guī)信息整理,具體以品牌信息文檔為準(zhǔn)。)
?Zeptometrix熱賣(mài)產(chǎn)品
貨號(hào) | 品名 | 規(guī)格 | 品牌 |
0801197 | Human IgA ELISA | 96det. | Zeptometrix |
0801183 | Human IgM ELISA | 96det. | Zeptometrix |
0801182 | Human IgG ELISA | 96det. | Zeptometrix |
NATGIP-BIO | NATtrol™ GI Panel | 22x0.25mL;4x0.85mL | Zeptometrix |
0810072CFHI | Human Herpes Virus Type 6B (HHV-6B) - CFHI | 1ml | Zeptometrix |
0801169 | SIV p27 Antigen ELISA Kit | 96Determinations | Zeptometrix |
0810587UV | SARS-CoV-2 (Isolate: USA- WA1/2020)Culture Fluid (UV Inactivated) (1 mL) | 1mL | Zeptometrix |
0801111 | HIV Type 1 p24 Antigen ELISA (96 Determinations) | 96Determinations | Zeptometrix |
0801002 | HIV-1 p24 Antigen ELISA 2.0 | 96Determinations | Zeptometrix |
0810587CFHI | SARS-COV-2 (Isolate: USA-WA1/2020) - CFHI | 1ml | Zeptometrix |
0801200 | HIV-1 p24 Antigen ELISA Kit | 5X96Determinations | Zeptometrix |
0801198 | Bovine IgG ELISA | 96Determinations | Zeptometrix |
0801080 | Anti-HIV Type 1 p24 Clone 39/5.4A | 100ug | Zeptometrix |
NATVZV-0005 | Varicella Zoster Virus (VZV) Strain: Ellen (50,000 cp/mL) (1 mL) | 1mL | Zeptometrix |
NATRSVA-STQ | NATtrol Respiratory Syncytial Virus Type A Stock (Quantitative) | 1ml | Zeptometrix |
NATRSVB-STQ | NATtrol Respiratory Syncytial Virus Type B Stock (Quantitative) | 1ml | Zeptometrix |
NATRPP-1 | NATtrol Respiratory Pathogen Panel - 1 | 6x 0.25 ml | Zeptometrix |
0801077 | Anti-HIV Type 1 p17 Clone 32/1.24.89 (100 µg) | 100ug | Zeptometrix |
NATNOV-6MC | NATtrol Norovirus GI/GII Positive Control | 6x 0.125 ml | Zeptometrix |
NATNG-ERCL | NATtrol Neisseria Gonorrhoeae, External Run Control, Low | 6X1mL | Zeptometrix |
NATFRC-6C | NATtrol Flu/RSV/SARS-CoV-2 Positive Control | 6x 0.5 ml | Zeptometrix |
0810160CFHI | Human Metapneumovirus (hMPV) 9 Type A1 Culture Fluid (1 mL) Heat Ihactivated | 1mL | Zeptometrix |
0801579 | Mycoplasma pneumoniae M129, titered (1 mL)Heat Inactivated | 1ml | Zeptometrix |
0810165CFHI | Influenza A H1N1pdm (California/07/09) Culture Fluid (Heat Inactivated) 1 mL | 1ml | Zeptometrix |
0810236CFHI | Enterovirus Type 71 (2003 Isolate) Culture Fluid (Heat Inactivated) (1 mL) | 1ml | Zeptometrix |
0810481CFHI | Respiratory Syncytial Virus A (RSV-A) (4/2015 Isolate 1) Culture Fluid (Heat Inactivated) (1 mL) | 1ml | Zeptometrix |
0810574CFHI | Influenza A H3N2 (Singapore/INFIMH-16-0019/16) Culture Fluid (Heat Inactivated)(1 mL) | 1ml | Zeptometrix |
0810587CFHI-0.5mL | SARS-COV-2 (Isolate: USA-WA1/2020) - CFHI (0.5mL) | 0.5 ml | Zeptometrix |
0810589CFHI | SARS-COV-2 (Isolate: Italy-INMIi) - CFHI | 1ml | Zeptometrix |
0801003 | Anti-HTLV-I p19 Clone TP-7 | 100ug | Zeptometrix |
0810088CFHI | Dengue Virus Type 1 - CFHI | 1ml | Zeptometrix |
0810090CF | Dengue Virus Type 3 Culture Fluid (1 mL) | 1ml | Zeptometrix |
0810147CF | Parechovirus Type 3 - CFHI | 1.0 ml | Zeptometrix |
0810156CFHI | Human Metapneumovirus (hMPV) 03 Type B1 - CFHI | 1ml | Zeptometrix |
0810241CFHI | Influenza B (Wisconsin/1/10) Culture Fluid (Heat Inactivated)(1 ML) | 1ml | Zeptometrix |
0810251CFHI | Influenza A H3N2 (Perth/16/09) Culture Fluid (Heat Inactivated)(1 mL) | 1ml | Zeptometrix |
0810254CFHI | Influenza B (Brisbane/60/08) Culture Fluid (Heat Inactivated)(1 mL | 1.0ml | Zeptometrix |
0810284CFHI | Rhinovirus B14 Cuiture Fluid (1 nL) Heat Ihactivated | 1ml | Zeptometrix |
0810290CFHI | Respiratory Syncytial Virus Type A (RSV-A) 2014 Isolate 341 Culture Fluid (1 mL) | 1ml | Zeptometrix |
0810450CFHI | Respiratory Syncytial Virus Type B (RSV-B) (12/2014 Isolate 1) Culture Fluid(Heat Inactivated 1 mL) | 1mL | Zeptometrix |
0810451CFHI | Respiratory Syncytial Virus Type B (RSV-B) (Strain: 11/2014 Isolate #2) Culture Fluid (1 mL) | 1 mL | Zeptometrix |
0810452CFHI | Respiratory Syncytial Virus Type A (RSV-A) (12/2014 Isolate 2) Culture Fluid (1 mL) | 1ml | Zeptometrix |
0810462CFHI | Respiratory Syncytial Virus Type A (RSV-A) (12/2014 Isolate 2) Culture Fluid (1 mL) | 1ml | Zeptometrix |
0810474CFHI | Respiratory Syncytial Virus Type A (RSV-A) (2/2015 Isolate 2) Culture Fluid(Heat Inactivated 1 mL) | 1mL | Zeptometrix |
0810538CFHI | Influenza A H1N1pdm (Michigan/45/15) Culture Fluid (Heat Inactivated) (1 mL) | 1ml | Zeptometrix |
0810573CFHI | Influenza B (Colorado/06/17) Culture Fluid(Heat Inactivated) (1 mL) | 1ml | Zeptometrix |
NATVZV-STQ | NATtrol Varicella-Zoster Virus Stock (Quantitative) | 1ml | Zeptometrix |
NATADV7A-ST | NATtrol Adenovirus Type 7A | 1mL | Zeptometrix |
NATADV4-ST | NATtrol Adenovirus Type 4 | 1mL | Zeptometrix |
HIV9096 | HIV Antigen (Antibody) 1043487 | 6x1.0ml | Zeptometrix |
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