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1、人红细胞生成素(EPO)酶联免疫分析(ELISA)试剂盒使用说明书本试剂仅供研究使用 目的:本试剂盒用于测定人血清,血浆及相关液体样本中红细胞生成素(EPO)的含量。实验原理:本试剂盒应用双抗体夹心法测定标本中人红细胞生成素(EPO)水平。用纯化的红细胞生成 素(EPO)抗体包被微孔板,制成固相抗体,往包被单抗的微孔中依次加入红细胞生成素(EPO), 再与HRP标记的红细胞生成素(EPO)抗体结合,形成抗体-抗原-酶标抗体复合物,经过彻底 洗涤后加底物TMB显色。TMB在HRP酶的催化下转化成蓝色,并在酸的作用下转化成最 终的黄色。颜色的深浅和样品中的红细胞生成素(EPO)呈正相关。用酶标仪在
2、450nm波长下 测定吸光度(OD值),通过标准曲线计算样品中人红细胞生成素(EPO)浓度。试剂盒组成:试剂盒组成48孔配置96孔配置保存说明书1份1份封板膜2 片(48)2 片(96)密封袋1个1个酶标包被板1X481X962-8 r保存标准品:54IU/L0.5ml X 1 瓶0.5ml X 1 瓶2-8 r保存标准品稀释液1.5ml X1 瓶1.5ml X1 瓶2-8 r保存酶标试剂3 mlX1 瓶6 mlX1 瓶2-8 r保存样品稀释液3 mlX1 瓶6 mlX1 瓶2-8 r保存显色剂A液3 mlX1 瓶6 mlX1 瓶2-8 r保存显色剂B液3 mlX1 瓶6 mlX 1 瓶2-8
3、 r保存终止液3ml X 1 瓶6ml X 1 瓶2-8 r保存浓缩洗涤液(20ml X 20 倍)X1 瓶(20ml X 30 倍)X1 瓶2-8 r保存样本处理及要求:1. 血清:室温血液自然凝固10-20分钟,离心20分钟左右(2000-3000转/分)。仔细收集上 清,保存过程中如出现沉淀,应再次离心。2. 血浆:应根据标本的要求选择EDTA或柠檬酸钠作为抗凝剂,混合10-20分钟后,离心 20分钟左右(2000-3000转/分)。仔细收集上清,保存过程中如有沉淀形成,应该再次 离心。3. 尿液:用无菌管收集,离心20分钟左右(2000-3000转/分)。仔细收集上清,保存过程 中如有
4、沉淀形成,应再次离心。胸腹水、脑脊液参照实行。4. 细胞培养上清:检测分泌性的成份时,用无菌管收集。离心20分钟左右(2000-3000转/ 分)。仔细收集上清。检测细胞内的成份时,用PBS(PH7.2-7.4)稀释细胞悬液,细胞 浓度达到100万/ml左右。通过反复冻融,以使细胞破坏并放出细胞内成份。离心20分 钟左右(2000-3000转/分)。仔细收集上清。保存过程中如有沉淀形成,应再次离心。5. 组织标本:切割标本后,称取重量。加入一定量的PBS,PH7.4。用液氮迅速冷冻保存备 用。标本融化后仍然保持2-8C的温度。加入一定量的PBS (PH7.4),用手工或匀浆器 将标本匀浆充分。
5、离心20分钟左右(2000-3000转/分)。仔细收集上清。分装后一份待 检测,其余)令冻备用。6. 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-20C保存,但应避免反复冻融.7. 不能检测含NaN3的样品,因NaN3抑制辣根过氧化物酶的(HRP )活性。操作步骤1. 标准品的稀释与加样:在酶标包被板上设标准品孔10孔,在第一、第二孔中分别加标 准品100贝 然后在第一、第二孔中加标准品稀释液50成 混匀;然后从第一孔、第二 孔中各取100 Al分别加到第三孔和第四孔,再在第三、第四孔分别加标准品稀释液50瓯 混匀;然后在第三孔和第四孔
6、中先各取50A1弃掉,再各取50A1分别加到第五、第六孔 中,再在第五、第六孔中分别加标准品稀释液50ul混匀;混匀后从第五、第六孔中各 取50A1分别加到第七、第八孔中,再在第七、第八孔中分别加标准品稀释液50瓯混 匀后从第七、第八孔中分别取50A1加到第九、第十孔中,再在第九第十孔分别加标准 品稀释液50成 混匀后从第九第十孔中各取50a1弃掉。(稀释后各孔加样量都为50成 浓度分别为 36 IU/L,24 IU/L 12 IU/L 6 IU/L 3 IU/L)。2. 加样:分别设空白孔(空白对照孔不加样品及酶标试剂,其余各步操作相同)、待测样 品孔。在酶标包被板上待测样品孔中先加样品稀释
7、液40成然后再加待测样品10火样 品最终稀释度为5倍)。加样将样品加于酶标板孔底部,尽量不触及孔壁,轻轻晃动混 匀。3. 温育:用封板膜封板后置37C温育30分钟。4. 配液:将30 (48T的20倍)倍浓缩洗涤液用蒸馏水30 (48T的20倍)倍稀释后备用。5. 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。6. 加酶:每孔加入酶标试剂50贝 空白孔除外。7. 温育:操作同3。8. 洗涤:操作同5。9. 显色:每孔先加入显色剂A50贝 再加入显色剂B50l轻轻震荡混匀,37C避光显色 15分钟.10. 终止:每孔加终止液50,l终止反应(此时蓝
8、色立转黄色)。11. 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15分钟以内进行。注意事项:1. 试剂盒从冷藏环境中取出应在室温平衡15-3 0分钟后方可使用,酶标包被板开封后如未 用完,板条应装入密封袋中保存。2. 浓洗涤液可能会有结晶析出,稀释时可在水浴中加温助溶,洗涤时不影响结果。3. 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。一次加样时间最好 控制在5分钟内,如标本数量多,推荐使用排枪加样。4. 请每次测定的同时做标准曲线,最好做复孔。如标本中待测物质含量过高(样本0。值 大于标准品孔第一孔的0D值),请先用样品稀释液稀释一
9、定倍数(n倍)后再测定,计 算时请最后乘以总稀释倍数(x nx5)。5. 封板膜只限一次性使用,以避免交叉污染。6. 底物请避光保存。7. 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.8. 所有样品,洗涤液和各种废弃物都应按传染物处理。9. 本试剂不同批号组分不得混用。10. 如与英文说明书有异,以英文说明书为准。计算:以标准物的浓度为横坐标,OD值为纵坐标, 在坐标纸上绘出标准曲线,根据样品的OD 值由标准曲线查出相应的浓度;再乘以稀释 倍数;或用标准物的浓度与OD值计算出标 准曲线的直线回归方程式,将样品的OD值 代入方程式,计算出样品浓度,再乘以稀释 倍数,即为样品的实际
10、浓度。试剂盒性能:1. 样品线性回归与预期浓度相关系数R值为0.92以上。2. 批内与批见应分别小于9%和15%检测范围:2IU/L -40 IU/L保存条件及有效期:1. 试剂盒保存:;2-8C。2. 有效期:6个月FOR RESEARCH USE ONLYHuman ErythropoietinDrug NamesGeneric Name : Huma Erythropoietin (EPO) ELISA Kit.PurposeThis kit allows for the determination of EPO concentrations in Human serum, blood
11、plasma, and other biological fluids.Principle of the assayThe kit assay Human EPO level in the sample, use Purified Human EPO antibody to coat microtiter plate wells, make solid-phase antibody, then add EPO to wells, Combined EPO antibody which With HRP labeled, become antibody - antigen - enzyme-an
12、tibody complex, after washing Completely, Add TMB substrate solution,TMB substrate becomes blue color At HRP enzyme-catalyzed, 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 E
13、PO in the samples is then determined by comparing the O.D. of the samples to the standard curve.Materials provided with the kitMaterials provided with the kit48determinations96 determinationsStorageUser manual11Closure plate membrane22Sealed bags11Microelisa stripplate112-8 CStandard: 54IU/L0.5mlx1
14、bottle0.5mlx1 bottle2-8 CStandard diluent1.5mlx1 bottle1.5mlx1 bottle2-8 CHRP-Conjugate reagent3mlx1 bottle6mlx1 bottle2-8 CSample diluent3mlx1 bottle6mlx1 bottle2-8 CChromogen Solution A3mlx1 bottle6mlx1 bottle2-8 CChromogen Solution B3mlx1 bottle6mlx1 bottle2-8 CStop Solution3mlx1 bottle6mlx1 bott
15、le2-8 Cwash solution(20ml X 20 fold) xi bottle(20mlX 30 fold)X1 bottle2-8 CSpecimen requirements1. serum- coagulation at room temperature 10-20 mins, centrifugation 20-min at the speed of 2000-3000 r.p.m. remove supernatant, If precipitation appeared, Centrifugal again.2. plasma-usesuited EDTA or ci
16、trate plasma as an anticoagulant,mix 10-20mins ,centrifugation 20-min at the speed of 2000-3000 r.p.m. remove supernatant, If precipitation appeared, Centrifugal again.3. Urine-collect sue a sterile container, centrifugation 20-min at the speed of 2000-3000 r.p.m. remove supernatant, If precipitatio
17、n appeared, Centrifugal again. The Operation of Hydrothorax and cerebrospinal fluid Reference to it.4. cell culture supernatant-detect secretory components, collect sue a sterile container, centrifugation 20-min at the speed of 2000-3000 r.p.m. remove supernatant,detect the composition of cells, Dil
18、ut cell suspension with PBS (PH7.2-7.4) , Cell concentration reached 1 million / ml, repeated freeze-thaw cycles, damage cells and release of intracellular components, centrifugation 20-min at the speed of 2000-3000 r.p.m. remove supernatant, If precipitation appeared, Centrifugal again.5. Tissue sa
19、mple After cutting samples, check the weight,add PBS (PH7.2-7.4) , Rapidly frozen with liquid nitrogen, maintain samples at 2-8C after melting,add PBS (PH7.4), Homogenized by hand or Grinders, centrifugation 20-min at the speed of 2000-3000 r.p.m. remove supernatant.6. extract as soon as possible af
20、ter Specimen collection,and according to the relevant literature, and should be experiment as soon as possible after the extraction. If it cant, specimen can be kept in -20 C to preserve, Avoid repeated freeze-thaw cycles.7. Cant detect the sample which contain NaN3, because NaN3 inhibits HRP active
21、.Assay procedure1. Dilute and add sample to Standard: set 10 Standard wells on the ELISA plates coated, add Standard 100pl to the first and the second well, then add Standard dilution 50pl to the first and the second well, mix; take out 100pl form the first and the second well then add it to the thi
22、rd and the forth well separately. then add Standard dilution 50pl to the third and the forth well ,mix ; then take out 50pl from the third and the forth well discard, add 50pl to the fifth and the sixth well ,then add Standard dilution 50pl to the fifth and the sixth well, mix ; take out 50pl from t
23、he fifth and the sixth well and add to the seventh and the eighth well, then add Standard dilution 50pl to the seventh and the eighth well ,mix ; take out 50pl from the seventh and the eighth well and add to the ninth and the tenth well, add Standard dilution 50pl to the ninth and the tenth well, mi
24、x , take out 50pl from the ninth and the tenth well discard(add Sample 50pl to each well after Diluting ,(density: 36 IU/L ,24 IU/L,12 IU/L,6 IU/L,3 IU/L)2. add sample: Set blank wells separately (blank comparison wells dont add sample and HRP-Conjugate reagent, other each step operation is same). t
25、esting sample well. add Sample dilution 40pl to testing sample well, then add testing sample 10pl (sample final dilution is 5-fold), add sample to wells , dont touch the well wall as far as possible, and Gently mix.3.Incubate: After closing plate with Closure plate membrane ,incubate for 30 min at 3
26、7 C.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. add enzyme: A
27、dd HRP-Conjugate reagent 50pl to each well, except blank well.7.incubate: Operation with 3.8. washing: Operation with 5.9. color : Add Chromogen Solution A 50ul and Chromogen Solution B to each well, evade the light preservation for 15 min at 37 C10.Stop the reaction : Add Stop Solution50pl to each
28、well, Stop the reaction(the blue color change to yellow color).11.assay : take blank well as zero , Read absorbance at 450nm after Adding Stop Solution and within 15min.Important notes1. The kit takes out from the refrigeration environment should be balanced 15-30 minutes in the room temperature, EL
29、ISA plates coated if has not use up after opened, the plate should be stored in Sealed bag.2. washing buffer will Crystallization separation, it can be heated the water helps dissolve when dilute . Washing does not affect the result.3. add Sample with sampler Each step, And proofread its accuracy fr
30、equently, avoids the experimental error. add sample within 5 mins, if the number of sample is much , recommend to use Volley .4. if the testing material content is excessively higher (The sample OD is bigger than the first standard well ),please dilute Sample (n-fold), Please diluente and multiplied
31、 by the dilution factor. (xnx5).5. Closure plate membrane only limits the disposable use, to avoid cross-contamination.6. The substrate evade the light preservation.7. Please according to use instruction strictly, The test result determination must take the microtiter plate reader as a standard.8. All samples, washing buffer and each kind of reject should according to infective material process.9. Do not mix reagents with those from other lots.CalculateAssay range2IU/L -0 IU/LStorage and validity1. Storage :2-8C.2. validity : six months.