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大鼠血管生成素Ⅱ(AngⅡ)酶联免疫检测 试剂盒使用说明书

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  • 产品时间:2017-11-09
  • 简要描述:慧颖生物优势供应大鼠血管生成素Ⅱ(AngⅡ)ELISA 试剂盒说明书,本季主推ELISA试剂盒,品质保证,价格优惠,!!:/
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大鼠血管生成素Ⅱ(AngⅡ)酶联免疫检测

试剂盒使用说明书

使用前仔细阅读本说明书。本酶联免疫试剂盒是基于双抗体夹心技术原理,来检测大鼠血管生成素Ⅱ(AngⅡ),只能用于研究用途,不得用于医学诊断。

用    途用于大鼠血清、血浆及相关液体样本中血管生成素Ⅱ(AngⅡ)测定。

工作原理

本试剂盒采用的是生物素双抗体夹心酶联免疫吸附法(ELISA)测定样品中大鼠血管生成素Ⅱ(AngⅡ)水平。向预先包被了血管生成素Ⅱ(AngⅡ)单克隆抗体的酶标孔中加入血管生成素Ⅱ(AngⅡ),温育;温育后,加入生物素标记的抗Ang抗体。再与链霉亲和素-HRP结合,形成免疫复合物,再经过温育和洗涤,去除未结合的酶,然后加入底物A、B,产生蓝色,并在酸的作用下转化成zui终的黄色。颜色的深浅与样品中血管生成素Ⅱ(AngⅡ)的浓度呈正相关。

试剂盒组成

试剂盒组成

48孔配置

96孔配置

保存

说明书

1

1

 

封板膜

2片(48

2片(96

 

密封袋

1

1

 

酶标包被板

1×48

1×96

2-8℃保存

标准品1200 ng/L

0.5ml×1

0.5ml×1

2-8℃保存

标准品稀释液

3ml×1

6ml×1

2-8℃保存

链霉亲和素-HRP

3 ml×1

6 ml×1

2-8℃保存

生物素标记的抗Ang抗体

0.5ml×1

1 ml×1

2-8℃保存

显色剂A

3 ml×1

6 ml×1

2-8℃保存

显色剂B

3 ml×1

6 ml×1

2-8℃保存

终止液

3ml×1

6ml×1

2-8℃保存

浓缩洗涤液

20ml×20倍)×1

20ml×30倍)×1

2-8℃保存

 

需要而未提供的试剂和器材

 

  1. 37℃恒温箱。
  2. 标准规格酶标仪。
  3. 精密移液器及一次性吸头
  4. 蒸馏水,
  5. 一次性试管
  6. 吸水纸

 

注意事项

 

  1. 从2-8℃取出的试剂盒,在开启试剂盒之前要室温平衡至少30分钟。酶标包被板开封后如未用完,板条应装入密封袋中保存。
  2. 各步加样均应使用加样器,并经常校对其准确性,以避免试验误差
  3. 严格按照说明书的操作进行,试验结果判定必须以酶标仪读数为准.
  4. 为避免交叉污染,要避免重复使用手中的吸头和封板膜
  5. 不用的其它试剂应包装好或盖好。不同批号的试剂不要混用。保质前使用。
  6. 底物B对光敏感,避免长时间暴露于光下。

 

洗板方法

 

手工洗板方法:甩掉酶标板内的液体;在实验台上铺垫几层吸水纸,酶标板朝下用力拍几次;将稀释后的洗涤液至少0.35ml注入孔内,浸泡1-2分钟。根据需要,重复此过程数次。

 

自动洗板:如果有自动洗板机,应在熟练使用后再用到正式实验过程中

 

 

 

标本要求

 

1不能检测含NaN3的样品,因NaN3抑制辣根过氧化物酶的(HRP)活性。

2.标本采集后尽早进行提取,提取按相关文献进行,提取后应尽快进行实验。若不能马上进行试验,可将标本放于-20℃保存,但应避免反复冻融。

 

操作程序

 

  1. 标准品的稀释:(本试剂盒提供原倍标准品一支,用户可按照下列图表在小试管中进行稀释。)

600 ng/L

5号标准品

120μl的原倍标准品加入120μl标准品稀释液

300 ng/L

4号标准品

120μl的5号标准品加入120μl标准品稀释液

150 ng/L

3号标准品

120μl的4号标准品加入120μl标准品稀释液

75 ng/L

2号标准品

120μl的3号标准品加入120μl标准品稀释液

37.5 ng/L

1号标准品

120μl的2号标准品加入120μl标准品稀释液

 

  1. 根据代测样品数量加上标准品的数量决定所需的板条数。每个标准品和空白孔建议做复孔。每个样品根据自己的数量来定,能使用复孔的尽量做复孔。
  2. 加样:1)空白孔,空白对照孔不加样品,生物素标记的抗AngⅡ抗体,链霉亲和素-HRP,只加显色剂A&B和终止液,其余各步操作相同;2)标准品孔:加入标准品50ul,链霉亲和素-HRP50ul(标准品中已事先整合好生物素抗体,故不加);3)代测样品孔:加入样本40ul,然后各加入抗AngⅡ抗体10ul、链霉亲和素-HRP50ul,盖上封板膜,轻轻震荡混匀,37℃温育60分钟。
  3. 配液:将30倍浓缩洗涤液用蒸馏水30倍稀释后备用。
  4. 洗涤:小心揭掉封板膜,弃去液体,甩干,每孔加满洗涤液,静置30秒后弃去,如此重复5次,拍干。
  5. 显色:每孔先加入显色剂A50ul,再加入显色剂B50μl,轻轻震荡混匀,37℃避光显色15分钟.
  6. 终止:每孔加终止液50μl,终止反应(此时蓝色立转黄色)。
  7. 测定:以空白空调零,450nm波长依序测量各孔的吸光度(OD值)。 测定应在加终止液后10分钟以内进行。
  8. 根据标准品的浓度及对应的OD值计算出标准曲线的直线回归方程,再根据样品的OD值在回归方程上计算出对应的样品浓度。也可以使用各种应用软件来计算。

 

 

 

检测范围:15ng/L600 ng/L

保存:2-8℃。

有效期:6个月(2-8℃)。

 

 

                                  

Rat Ang ELISA Kit

 

Instruction

This kit is only for scientific research, and shall not be used as a clinical diagnosis of use.

Purpose

This kit allows for the determination of Ang concentrations in Rat serum, cell culture supernatant, and other biological fluids.

Principle

The kit assay Rat Ang level in the sampleadd Rat Ang antibody to microtiter plate wells, after Incubating,add Biotinylated anti –Ang-antibody , then Combined Streptavidin-HRP, become complex, after Incubating and washing Compley, Add TMB substrate solution,TMB substrate becomes blue color, reaction is terminated by the addition of a sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450 nm. The concentration of Ang in the samples is then determined by comparing the O.D. of the samples to the standard curve.

 Materials provided with the kit

Materials provided with the kit

48determinations

96 determinations

Storage

User manual

1

1

 

Closure plate membrane

2

2

 

Sealed bags

1

1

 

Microelisa stripplate

1

1

2-8

Standard1200 ng/L

0.5ml×1 bottle

0.5ml×1 bottle

2-8

Standard diluent

3ml×1 bottle

6ml×1 bottle

2-8

Streptavidin-HRP

3ml×1 bottle

6ml×1 bottle

2-8

Biotinylated anti –Ang-antibody

0.5ml×1 bottle

1ml×1 bottle

2-8

Chromogen Solution A

3ml×1 bottle

6ml×1 bottle

2-8

Chromogen Solution B

3ml×1 bottle

6ml×1 bottle

2-8

Stop Solution

3ml×1 bottle

6ml×1 bottle

2-8

wash  solution

20ml×20 fold

×1bottle

20ml×30 fold

×1bottle

2-8

 

Materials required but not supplied

1. 37 incubator

2. Standard microplate reader(450nm)

3. Precision pipettes and Disposable pipette tips.

4. deionized water.

5. Disposable Test tube

6 Absorbent paper

Important notes

1.       The kit takes out from the refrigeration environment should be balanced 15-30 minutes in the room temperature, ELISA plates coated if has not use up after opened, the plate should be stored in Sealed bag.

2.       add Sample with sampler Each step, And proofread its accuracy frequently, avoids the experimental error.

3.       Please according to use instruction strictly, The test result determination must take the microtiter plate reader as a standard.

4.       Use new disposal plastic pipette tips and Closure plate membrane for each standard, in order to avoid cross contamination.

5.       Do not mix reagents with those from other lots.

6.       The substrate evade the light preservation.

Specimen requirements

  1. extract as soon as possible after Specimen collection,and according to the relevant literature, and should be experiment as soon as possible after the extraction. If it can’t, specimen can be kept in -20 to preserve, Avoid repeated freeze-thaw cycles.
  2. Can’t detect the sample which contain NaN3, because NaN3 inhibits HRP active.

 

Assay procedure

  1. Dilute and add sample:Dilute Original density Standard as follow table:

600 ng/L

5 Standard

120μl Original density Standard+120μl Standard diluent

300 ng/L

4 Standard

120μl 5 Standard+120μl Standard diluent

150 ng/L

3 Standard

120μl 4 Standard+120μl Standard diluent

75 ng/L

2 Standard

120μl 3 Standard +120μl Standard diluent

37.5 ng/L

1 Standard

120μl 2 Standard +120μl Standard diluent

2. according testing Sample numbers to define how many wells nedd, Standard and blank suggested Do holes.

3.add sample1) blank wells: (blank comparison wells don’t add sample , Biotinylated anti –Ang -antibody and Streptavidin-HRP ,other each step operation is same); 2) Standard wells: add Standard 50μl and Streptavidin-HRP 50μl; 3) testing Sample wells: add sample 40μl,then add anti –Ang  -antibody 10μl , Streptavidin-HRP 50μl. closing plate with Closure plate membrane ,incubate for 60 min at 37.

4.Configurate liquid: 30-fold(or 20-fold) wash solution diluted 30-fold (or 20-fold) with distilled water and reserve.

5.washingUncover Closure plate membrane, discard Liquid, dry by swing, add washing buffer to every well, still for 30s then drain, repeat 5 times, dry by pat.

6.colorAdd Chromogen Solution A 50ul and Chromogen Solution B to each well, evade the light preservation for 15 min at 37

7.Stop the reactionAdd Stop Solution50μl to each well, Stop the reaction(the blue color change to yellow color).

8.assaytake blank well as zero , Read absorbance at 450nm after Adding Stop Solution and within 10min.

9. Calculate of result

 

Assay range

15ng/L600 ng/L

Storage and validity

1Storage  2-8.

2validity six months.

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