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極威生物人塞卡病毒(Zika virus)ELISA 檢測試劑盒

點(diǎn)擊次數(shù):812    發(fā)布時(shí)間:2018/8/9 9:45:57

· 上 傳 者: 上海極威生物科技有限公司

· 上傳時(shí)間:2018/8/9 9:45:57

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本試劑盒只能用于科學(xué)研究,不得用于醫(yī)學(xué)診斷

 

人塞卡病毒(Zika virus)ELISA 檢測試劑盒

 

使用說明書

 

檢測原理

 

試劑盒采用雙抗體夾心法酶聯(lián)免疫吸附試驗(yàn)(ELISA)。往預(yù)先包被人塞卡病毒(Zika virus)捕獲抗體的包被微孔中,依次加入標(biāo)本、標(biāo)準(zhǔn)品、HRP標(biāo)記的檢測抗體,經(jīng)過溫育并徹底洗滌。用底物

 

TMB顯色,TMB在過氧化物酶的催化下轉(zhuǎn)化成藍(lán)色,并在酸的作用下轉(zhuǎn)化成*終的黃色。顏色的深淺和樣品中的人塞卡病毒(Zika virus)

 

呈正相關(guān)。用酶標(biāo)儀在450nm 波長下測定吸光度(OD 值),判斷樣品是否含有人塞卡病毒(Zika virus)。

 

樣品收集、處理及保存方法

 

1. 血清:使用不含熱原和內(nèi)毒素的試管,操作過程中避免任何細(xì)胞刺激,收集血液后,3000 轉(zhuǎn)離心 10 分鐘將血清和紅細(xì)胞迅速小心地分離。

 

2. 血漿:EDTA、檸檬酸鹽或肝素抗凝。3000 轉(zhuǎn)離心 30 分鐘取上清。

 

3. 細(xì)胞上清液:3000 轉(zhuǎn)離心 10 分鐘去除顆粒和聚合物。

 

4. 組織勻漿:將組織加入適量生理鹽水搗碎。3000 轉(zhuǎn)離心 10 分鐘取上清。

5.保存:如果樣本收集后不及時(shí)檢測,請按一次用量分裝,凍存

 

-20℃,避免反復(fù)凍融,在室溫下解凍并確保樣品均勻地充分解凍。

 

自備物品

 

1. 酶標(biāo)儀(450nm)

 

2. 高精度加樣器及槍頭:0.5-10uL、2-20uL、20-200uL、200-1000uL

 

3. 37℃恒溫箱

 

操作注意事項(xiàng)

 

1. 試劑盒保存在 2-8℃,使用前室溫平衡 20 分鐘。從冰箱取出的濃縮洗滌液會有結(jié)晶,這屬于正,F(xiàn)象,水浴加熱使結(jié)晶完全溶解后再使用。

 

2. 實(shí)驗(yàn)中不用的板條應(yīng)立即放回自封袋中,密封(低溫干燥)保

 

存。

 

3. 預(yù)處理后的樣本無需稀釋,直接取 10μL 加樣即可。

 

4. 嚴(yán)格按照說明書中標(biāo)明的時(shí)間、加液量及順序進(jìn)行溫育操作。

 

5. 所有液體組分使用前充分搖勻。

 

試劑盒組成

 

名稱

96 孔配置

48 孔配置

備注

 

 

 

 

微孔酶標(biāo)板

96 孔

48 孔

 

 

 

 

陰性對照

0.3mL

0.3mL

 

 

 

 

陽性對照

0.3mL

0.3mL

 

 

 

 

樣本稀釋液

6mL

3mL

 

 

 

 

檢測抗體-HRP

10mL

5mL

 

 

 

 


20×洗滌緩沖液

25mL

15mL

按說明書進(jìn)行稀釋

 

 

 

 

底物 A

6mL

3mL

 

 

 

 

底物 B

6mL

3mL

 

 

 

 

終止液

6mL

3mL

 

 

 

 

封板膜

2 張

2 張

 

 

 

 

說明書

1 份

1 份

 

 

 

 

自封袋

1 個(gè)

1 個(gè)

 

 

 

 

 

 

試劑的準(zhǔn)備

 

20×洗滌緩沖液的稀釋:蒸餾水按 1:20 稀釋,即 1 份的 20×洗滌

 

緩沖液加 19 份的蒸餾水。

洗板方法

 

1. 手工洗板:甩盡孔內(nèi)液體,每孔加滿洗滌液,靜置 1min 后甩盡孔內(nèi)液體,在吸水紙上拍干,如此洗板 5 次。

 

2. 自動洗板機(jī):每孔注入洗液 350μL,浸泡 1min,洗板 5 次。

 

操作步驟

 

1. 從室溫平衡 20min 后的鋁箔袋中取出所需板條,剩余板條用自封袋密封放回 4℃。

 

2. 設(shè)置陰、陽性對照孔和樣本孔,陰、陽性對照孔中加入陰性對照、陽性對照各 50μL;

 

3. 待測樣本孔先加待測樣本 10μL,再加樣本稀釋液 40μL;

 

4. 隨后陰、陽性對照孔和樣本孔中每孔加入辣根過氧化物酶(HRP)標(biāo)記的檢測抗原 100μL,用封板膜封住反應(yīng)孔,37℃水浴鍋或恒溫箱溫育 60min。

 

5. 棄去液體,吸水紙上拍干,每孔加滿洗滌液,靜置 1min,甩去洗滌液,吸水紙上拍干,如此重復(fù)洗板 5 次(也可用洗板機(jī)洗板)。

6. 每孔加入底物 A、B 各 50μL,37℃避光孵育 15min。

 

7. 每孔加入終止液 50μL,15min 內(nèi),在 450nm 波長處測定各孔的

 

OD 值。

 

結(jié)果判斷

 

1. 試驗(yàn)有效性:陽性對照孔 OD 值平均值≥1.00;


陰性對照孔 OD 值平均值≤0.15。

 

2. 臨界值(Cut off)計(jì)算:臨界值=陰性對照孔平均值+0.15

 

3. 陰性判斷:樣品 OD 值<臨界值(Cut off),樣品為陰性

 

4. 陽性判斷:樣品 OD 值>臨界值(Cut off),樣品為陽性

 

試劑盒性能

 

1. 準(zhǔn)確性:陽性對照孔 OD 值平均值≥1.00;陰性對照孔 OD 值平均值≤0.15,說明試驗(yàn)結(jié)果有效。

 

2. 特異性:不與其它可溶性結(jié)構(gòu)類似物交叉反應(yīng)。

 

3. 重復(fù)性:板內(nèi)、板間變異系數(shù)均小于 15%。

 

4. 貯藏:2-8℃,避光防潮保存。

 

5. 有效期:6 個(gè)月

 

免責(zé)聲明

 

1. 試劑盒僅供研究使用,不得用于臨床實(shí)驗(yàn)或人體實(shí)驗(yàn),否則所產(chǎn)生的一切后果,由實(shí)驗(yàn)者承擔(dān),本公司概不負(fù)責(zé)。

 

2. 嚴(yán)格按照說明書操作,實(shí)驗(yàn)者違反說明書操作,后果由實(shí)驗(yàn)者承擔(dān)。


FOR RESEARCH USE ONLY.

 

NOT FOR USE IN DIAGNOSTIC PROCEDURES.

 

 

Human Zika virus (Zika virus) ELISA Kit instruction

 

 

 

 

Intended use

 

This Zika virus ELISA kit is intended Laboratory for Research use only and is not for use in diagnostic or therapeutic procedures. The Stop Solution changes the color from blue to yellow and the intensity of the color is measured at 450 nm using a spectrophotometer. In order to measure the concentration of Zika virus in the sample, this Zika virus ELISA Kit includes a set of calibration standards. The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus Zika virus concentration. The concentration of Zika virus in the samples is then determined by comparing the O.D. of the samples to the standard curve.

 

Sample collection and storages

 

Serum - Use a serum separator tube and allow samples to clot for 30 minutes before centrifugation for 10 minutes at approximately 3000×g. Remove serum and assay immediately or aliquot and store samples at -20 or -80.Avoid repeated freeze-thaw cycles

Plasma - Collect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples for 30 minutes at 3000×g at 2-8 within 30 minutes of collection. Store samples at -20or -80. Avoid repeated freeze-thaw cycles.

 

Cell culture supernates and other biological fluids - Remove particulates by centrifugation and assay immediately or aliquot and store samples at -20or -80. Avoid repeated freeze-thaw cycles.

 

Note: The samples shoule be centrifugated dequately and no hemolysis or granule was allowed.

 

Materials required but not supplied

 

1. Standard microplate reader(450nm)

 

2. Precision pipettes and Disposable pipette tips.

 

3. 37  incubator

 

Precautions

 

1. Do not substitute reagents from one kit to another. Standard, conjugate and microplates are matched for optimal performance. Use only the reagents supplied by manufacturer.

2. Do not remove microplate from the storage bag until needed. Unused strips should be stored at 2-8°C in their pouch with the desiccant provided.

3. Mix all reagents before using.


Remove all kit reagents from refrigerator and allow them to reach room temperature

 

( 20-25°C)

 

Materials supplied

 

Name

96 determinations

48 determinations

 

 

 

Microelisa stripplate

96 strips

48 strips

Negative control

0.3ml

0.3ml

 

 

 

Positive control

0.3ml

0.3ml

Sample diluent

6.0ml

3.0ml

HRP-Conjugate reagent

10.0ml

5.0ml

 

 

 

20X Wash solution

25ml

15ml

 

 

 

Chromogen Solution A

6.0ml

3.0ml

 

 

 

Chromogen Solution B

6.0ml

3.0ml

 

 

 

Stop Solution

6.0ml

3.0ml

 

 

 

Closure plate membrane

2

2

 

 

 

User manual

1

1

 

 

 

Sealed bags

1

1

 

 

 

 

Reagent preparation

 

20×wash solution:Dilute with Distilled or deionized water 1:20.

 

Assay procedure

 

1.

Prepare all r e a g e n t s before starting assay procedure. It is recommended that

all Standards and Samples be added in duplicate to the Microelisa Stripplate.

2.

Separately add Positive control and Negative control 50μl to the Positive and

Negative well, Add testing sample 10μl Then add sample diluent 40μl to testing sample well; Blank well doesn’t add anyting.

3. Add 100μl of HRP-conjugate reagent to each well, cover with an adhesive strip and incubate for 60 minutes at 37°C.

4. Aspirate each well and wash, repeating the process four times for a total of five washes. Wash by filling each well with Wash Solution (400μl) using a squirt bottle, manifold dispenser or autowasher. Complete removal of liquid at each step is essential to good performance. After the last wash, remove any remaining Wash Solution by aspirating or decanting. Invert the plate and blot it against clean paper towels.

5. Add chromogen solution A 50μl and chromogen solution B 50μl to each well. Gently mix and incubate for 15 minutes at 37°C. Protect from light.

6. Add 50μl Stop Solution to each well. The color in the wells should change from blue to yellow. If the color in the wells is green or the color change does not appear uniform, gently tap the plate to ensure thorough mixing.

 

7. Read the Optical Density (O.D.) at 450 nm using a microtiter plate reader within 15 minutes.

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