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產(chǎn)品展示

人甲胎蛋白(AFP)ELISA 檢測試劑盒

人甲胎蛋白(AFP)ELISA 檢測試劑盒

價格:電議 型號:

原產(chǎn)地:中國大陸發(fā)布時間:2022/3/22 15:47:42

人甲胎蛋白(AFP)ELISA 檢測試劑盒;
準確性:標準品線性回歸與預期濃度相關(guān)系數(shù) R 值,。

采購度:152

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詳細內(nèi)容

本公司3月22日報道:
(http://www.app17.com/c110001/products/d11310606.html)

 
 
 
 
 

嚴格按照說明書中標明的時間、加液量及順序進行溫育操作。

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

微孔酶標板

12 孔×8 條

12 孔×4 條

標準品

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

1 個

注:標準品濃度依次為:32、16、8、4、2、0 ng/mL.

 試劑的準備

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

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。

自動洗板機:每孔注入洗液 350μL,浸泡 1min,洗板 5 次。

 操作步驟

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℃。

設置標準品孔和樣本孔,標準品孔各加不同濃度的標準品 50μL;

待測樣本孔先加待測樣本 10μL,再加樣本稀釋液 40μL;

隨后標準品孔和樣本孔中每孔加入辣根過氧化物酶(HRP)標記的檢測抗體  100μL,用封板膜封住反應孔,37℃水浴鍋或恒溫箱溫育 60min。

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,如此重復洗板 5 次(也可用洗板機洗板)。

 

每孔加入底物A、B 各 50μL,37℃避光孵育 15min。


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


繪制標準曲線:在 Excel 工作表中,以標準品濃度作橫坐標,對應OD 值作縱坐標,繪制出標準品線性回歸曲線,按曲線方程計算各樣本濃度值。

 試劑盒性能

準確性:標準品線性回歸與預期濃度相關(guān)系數(shù) R 值,大于等于0.9900。

靈敏度:檢測濃度小于 0.1 ng/mL。

特異性:不與其它可溶性結(jié)構(gòu)類似物交叉反應。

重復性:板內(nèi)變異系數(shù)小于 10%、板間變異系數(shù)小于 15%。

貯藏:2-8℃,避光防潮保存。

有效期:6 個月

 免責聲明

試劑盒僅供研究使用,不得用于臨床實驗或人體實驗,否則所產(chǎn)生的一切后果,由實驗者承擔,本公司概不負責。

 

嚴格按照說明書操作,實驗者違反說明書操作,后果由實驗者承擔。


FOR RESEARCH USE ONLY.

NOT FOR USE IN DIAGNOSTIC PROCEDURES.

 

Human Alpha-fetoprotein (AFP) ELISA Kit instruction

 

Intended use

This AFP 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 AFP in the sample, this AFP 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 AFP concentration. The concentration of AFP 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 -20℃or -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 -20℃or

-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

Standard microplate reader(450nm)

 

Precision pipettes and Disposable pipette tips.

37 ℃ incubator

 

Precautions

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.

 

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.

 

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

12*8strips

12*4strips

Standard

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

Note: Standard concentration was followed by: 32、16、8、4、2、0 ng/mL.

Reagent preparation

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

Assay procedure

Prepare all r eagen t s before starting assay procedure. It is recommended that all Standards and Samples be added in duplicate to the Microelisa Stripplate.

Add standard: Set Standard wells, testing sample wells. Add standard 50μl to standard well.

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

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

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.

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.

 

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.


 本試劑盒只能用于科學研究,不得用于醫(yī)學診斷

更新時間:2024/5/24 11:45:35

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