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550次使用前仔細(xì)閱讀本說(shuō)明書(shū)。本酶聯(lián)免疫試劑盒是基于雙抗體夾心技術(shù)原理,來(lái)檢測(cè)大鼠8羥基脫氧鳥(niǎo)苷(8-OHdG),只能用于研究用途,不得用于醫(yī)學(xué)診斷。
用 途:用于大鼠血清、血漿及相關(guān)液體樣本中8羥基脫氧鳥(niǎo)苷(8-OHdG)測(cè)定。
工作原理
本試劑盒采用的是*雙抗體夾心酶聯(lián)免疫吸附法(ELISA)測(cè)定樣品中大鼠8羥基脫氧鳥(niǎo)苷(8-OHdG)水平。向預(yù)先包被了大鼠8羥基脫氧鳥(niǎo)苷(8-OHdG)單克隆抗體的酶標(biāo)孔中加入8羥基脫氧鳥(niǎo)苷(8-OHdG),溫育;溫育后,加入*標(biāo)記的抗P抗體。再與鏈霉親和素-HRP結(jié)合,形成免疫復(fù)合物,再經(jīng)過(guò)溫育和洗滌,去除未結(jié)合的酶,然后加入底物A、B,產(chǎn)生藍(lán)色,并在酸的作用下轉(zhuǎn)化成zui終的黃色。顏色的深淺與樣品中大鼠8羥基脫氧鳥(niǎo)苷(8-OHdG)的濃度呈正相關(guān)。
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份 | 1份 |
|
封板膜 | 2片(48) | 2片(96) |
|
密封袋 | 1個(gè) | 1個(gè) |
|
酶標(biāo)包被板 | 1×48 | 1×96 | 2-8℃保存 |
標(biāo)準(zhǔn)品800pg/ml | 0.5ml×1瓶 | 0.5ml×1瓶 | 2-8℃保存 |
標(biāo)準(zhǔn)品稀釋液 | 3ml×1瓶 | 6ml×1瓶 | 2-8℃保存 |
鏈霉親和素-HRP | 3 ml×1瓶 | 6 ml×1瓶 | 2-8℃保存 |
*標(biāo)記的抗P抗體 | 0.5ml×1瓶 | 1 ml×1瓶 | 2-8℃保存 |
顯色劑A液 | 3 ml×1瓶 | 6 ml×1瓶 | 2-8℃保存 |
顯色劑B液 | 3 ml×1瓶 | 6 ml×1瓶 | 2-8℃保存 |
終止液 | 3ml×1瓶 | 6ml×1瓶 | 2-8℃保存 |
濃縮洗滌液 | (20ml×20倍)×1瓶 | (20ml×30倍)×1瓶 | 2-8℃保存 |
需要而未提供的試劑和器材
注意事項(xiàng)
洗板方法
手工洗板方法:甩掉酶標(biāo)板內(nèi)的液體;在實(shí)驗(yàn)臺(tái)上鋪墊幾層吸水紙,酶標(biāo)板朝下用力拍幾次;將稀釋后的洗滌液至少0.35ml注入孔內(nèi),浸泡1-2分鐘。根據(jù)需要,重復(fù)此過(guò)程數(shù)次。
自動(dòng)洗板:如果有自動(dòng)洗板機(jī),應(yīng)在熟練使用后再用到正式實(shí)驗(yàn)過(guò)程中
標(biāo)本要求
1.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。
2.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。
操作程序
400pg/ml | 5號(hào)標(biāo)準(zhǔn)品 | 120μl的原倍標(biāo)準(zhǔn)品加入120μl標(biāo)準(zhǔn)品稀釋液 |
200pg/ml | 4號(hào)標(biāo)準(zhǔn)品 | 120μl的5號(hào)標(biāo)準(zhǔn)品加入120μl標(biāo)準(zhǔn)品稀釋液 |
100pg/ml | 3號(hào)標(biāo)準(zhǔn)品 | 120μl的4號(hào)標(biāo)準(zhǔn)品加入120μl標(biāo)準(zhǔn)品稀釋液 |
50pg/ml | 2號(hào)標(biāo)準(zhǔn)品 | 120μl的3號(hào)標(biāo)準(zhǔn)品加入120μl標(biāo)準(zhǔn)品稀釋液 |
25pg/ml | 1號(hào)標(biāo)準(zhǔn)品 | 120μl的2號(hào)標(biāo)準(zhǔn)品加入120μl標(biāo)準(zhǔn)品稀釋液 |
操作程序總結(jié):
試劑盒性能:
1.樣品線性回歸與預(yù)期濃度相關(guān)系數(shù)R值為0.92以上。
2.批內(nèi)與批間應(yīng)分別小于9%和15%
檢測(cè)范圍:
檢測(cè)范圍:5pg/ml→400pg/ml。
保存條件及有效期:
保存:2-8℃。
有效期:6個(gè)月(2-8℃)。
Rat 8-Hydroxy-desoxyguanosine
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 8-OHdG concentrations in Rat serum, cell culture supernatant, and other biological fluids.
Principle The kit assay Rat 8-OHdG level in the sample,add Rat 8-OHdG antibody to microtiter plate wells, after Incubating,add Biotinylated anti –8-OHdG -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 8-OHdG 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 |
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Microelisa stripplate | 1 | 1 | 2-8℃ |
Standard:800pg/ml | 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 –8-OHdG -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 supplied1. 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 8-OHdGtruction 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
Assay procedure
400pg/ml | 5 Standard | 120μl Original density Standard+120μl Standard diluent |
200pg/ml | 4 Standard | 120μl 5 Standard+120μl Standard diluent |
100pg/ml | 3 Standard | 120μl 4 Standard+120μl Standard diluent |
50pg/ml | 2 Standard | 120μl 3 Standard +120μl Standard diluent |
25pg/ml | 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 sample:1) blank wells: (blank comparison wells don’t add sample , Biotinylated anti –8-OHdG -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 –8-OHdG-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.washing:Uncover 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.color:Add Chromogen Solution A 50ul and Chromogen Solution B to each well, evade the light preservation for 15 min at 37℃
7.Stop the reaction:Add Stop Solution50μl to each well, Stop the reaction(the blue color change to yellow color).
8.assay:take blank well as zero , Read absorbance at 450nm after Adding Stop Solution and within 10min.
9. Calculate of result
Steps description
Standard, Sample diluent |
Add Standard, Sample diluent, Biotinylated and HRP ,incubate for 60 min at 37℃. |
Wash 5 times,Add Chromogen Solution A and B, incubate for 15 min at 37℃. |
Add Stop Solution |
Read absorbance at 450nm within 10 min |
calculate |
Assay range
5pg/ml→400pg/ml
Storage and validity
1.Storage: 2-8℃.
2.validity: six months.
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