Frizzled-9 酶免试剂盒

Frizzled-9 酶免试剂盒

价格: ¥2800

品牌:wksubio

货号:E00019

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样本 :液体

标记物 :Frizzled-9

适应物种 :不限

应用 :科研单位

检测方法 :酶联免疫法

检测限 :不限

供应商 :瓦兰生物

库存 :大量

规格 :96T

Frizzled-9 酶免试剂盒


试剂盒组成
名称 96孔配置 48孔配置 备注
微孔酶标板 12孔×8条 12孔×4条
标准品 0.3mL 0.3mL
样本稀释液 6mL 3mL
检测抗体-HRP 10mL 5mL
20×洗涤缓冲液 25mL 15mL 按说明书进行稀释
底物A 6mL 3mL
底物B 6mL 3mL
终止液 6mL 3mL
封板膜 2张 2张
说明书 1份 1份
自封袋 1个 1个
注:标准品浓度依次为:84、2、1、0.5、0 ng/ml.
试剂的准备
20×洗涤缓冲液的稀释:蒸馏水按1:20稀释,即1份的20×洗涤缓冲液加19份的蒸馏水。
洗板方法
  1. 手工洗板:甩尽孔内液体,每孔加满洗涤液,静置1min后甩尽孔内液体,在吸水纸上拍干,如此洗板5次。
  2. 自动洗板机:每孔注入洗液350μL,浸泡1min,洗板5次。
操作步骤
  1. 从室温平衡60min后的铝箔袋中取出所需板条,剩余板条用自封袋密封放回4℃。
  2. 设置标准品孔和样本孔,标准品孔各加不同浓度的标准品50μL;
  3. 待测样本孔先加待测样本10μL,再加样本稀释液40μL;
  4. 随后标准品孔和样本孔中每孔加入辣根过氧化物酶(HRP)标记的检测抗体100μL,用封板膜封住反应孔,37℃水浴锅或恒温箱温育60min。
  5. 弃去液体,吸水纸上拍干,每孔加满洗涤液,静置1min,甩去洗涤液,吸水纸上拍干,如此重复洗板5次(也可用洗板机洗板)。
  6. 每孔加入底物A、B各50μL,37℃避光孵育15min。
  7. 每孔加入终止液50μL,15min内,在450nm波长处测定各孔的OD值。
结果判断
绘制标准曲线:在Excel工作表中,以标准品浓度作横坐标,对应OD值作纵坐标,绘制出标准品线性回归曲线,按曲线方程计算各样本浓度值。

试剂盒性能
  1. 准确性:标准品线性回归与预期浓度相关系数R值,大于等于0.9900。
  2. 灵敏度:最低检测浓度小于0.1 ng/ml
  3. 特异性:不与其它可溶性结构类似物交叉反应。
  4. 重复性:板内变异系数小于10%、板间变异系数小于15%。
  5. 贮藏:2-8℃,避光防潮保存。
  6. 有效期:6个月
免责声明
  1. 试剂盒仅供研究使用,不得用于临床实验或人体实验,否则所产生的一切后果,由实验者承担,本公司概不负责。
  2. 严格按照说明书操作,实验者违反说明书操作,后果由实验者承担。


ELISA是酶联接免疫吸附剂测定( Enzyme-Linked Immunosorbnent Assay )的简称。它是继免疫荧光和放射免疫技术之后发展起来的一种免疫酶技术。此项技术自70年代初问世以来,发展十分迅速,目前已被广泛用于生物学和医学科学的许多领域。    (一) 原理  ELISA是以免疫学反应为基础,将抗原、牽9体的特异性反应与酶对底物的高效催化作用相结合起来的一种敏感性很高的试验技术。由于抗原、抗体的反应在一种固相载体──聚苯乙烯微量滴定板的孔中进行,每加入一种试剂孵育后,可通过洗涤除去多余的游离反应物,从而保证试验结果的特异性与稳定性。在实际应用中,通过不同的设计,具体的方法步骤可有多种。即:用于检测抗体的间接法(图a)、用于检测抗原的双抗体夹心法(图b)以及用于检测小分子抗原或半抗原的抗原竞争法等等。比较常用的是ELISA双抗体夹心法及ELISA间接法。    ELISA检测试剂盒组成: 1:浓缩洗涤液(50ml)20x 2.标本稀释液(12ml) 3.终止液(12ml) 4.标准品(2管) 5.酶标抗体稀释液体(12ml) 6.第一抗体稀释液(12ml) 7.包被酶标板一块 8.坐标纸一张 9.封板纸一张样品类型(SAMPLE TYPES): 标本必须为液体,不含沉淀。包括血清、血浆、尿液、胸腹水、脑脊液、细胞培养上清、组织匀浆等。1ml的全血可得到0.5ml的血清或血浆。每个标本量收集体积=100ul×检测种类。取材前须向销售人员索要说明书。 标本处理: 收集标本前必须清楚要检测的成份是否足够稳定。对收集后当天进行检测的标本,储存在4℃备用,如有特殊原因需要周期收集标本,将标本及时分装后放在-20℃或-70℃条件下保存。避免反复冻融。标本2-8℃可保存48小时,-20℃可保存1个月。-70度可保存6个月。部分激素类标本需添加抑肽酶。 ◇血清:室温血液自然凝固 10-20 分钟后,离心 20 分钟左右( 2000-3000 转 / 分)。收集上清。如有沉淀形成,应再次离心。 ◇血浆:应根据试剂盒的要求选择 EDTA 、柠檬酸钠或肝素作为抗凝剂,加入 10 %( v/v )抗凝剂 ( 0.1M 柠檬酸钠或 1% heparin 或 2.0%EDTA.Na2) 混合10-20 分钟后,离心 20 分钟左右( 2000-3000 转 / 分)。仔细收集上清。如有沉淀形 成,应再次离心。 ◇尿液、胸腹水、脑脊液:用无菌管收集。离心 20 分钟左右( 2000-3000 转 / 分)。仔细收集上清。如有沉淀形成,应再次离心。 ◇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。 ◇组织标本:切割标本后,称取重量。加入一定量的 PBS ,缓冲液中可加入 1 μ g/L 蛋白酶抑制剂或 50U/ml 的 Aprotinin ( 抑肽酶)。用手工或匀浆器将标本匀浆充分。离心 20 分钟左右( 2000-3000 转 / 分)。仔细收集上清置于 -20 度或 - 70 度保存,如有必要,可以将样品浓缩干燥。分装后一份待检测,其余冷冻备用。 检测原理:采用双抗体夹心ABC-ELISA法保存温度:2-8℃保存6个月. 注意事项:收集标本前必须清楚要检测的成份是否足够稳定。对收集后当天进行检测的标本,储存在 4 ℃ 备用,如有特殊 原因需要周期收集标本,将标本及时分装后放在 -20 ℃ 或 -70 ℃ 条件下保存。避免反复冻融。标本 2 -8 ℃ 可保存 48 小时, -20 ℃ 可保存 1 个月。 -70 度可保存 6 个月。部分激素类标本需添加抑肽酶。 备注:以上为ELISA试剂盒通用说明书,不包括特别的试剂盒,具体的请参照每个产品的说明书.
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 should be centrifugated adequately 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 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:
84210.50 ng/ml.
Reagent preparation
20×wash solution:Dilute with Distilled or deionized water 1:20.
Assay procedure
1. Prepare all reagents before starting assay procedure. It is recommended that all Standards and Samples be added in duplicate to the Microelisa Stripplate.
2. Add standard: Set Standard wells, testing sample wells. Add standard 50μl to standard well.
3. Add Sample: Add testing sample 10μl Then add sample diluent 40μl to testing sample well; Blank well doesnt add anyting.
4. Add 10l of HRP-conjugate reagent to each well, cover with an adhesive strip and incubate for 60 minutes at 37°C.
5. 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.
6. 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.
7. 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.
8. Read the Optical Density (O.D.) at 450 nm using a microtiter plate reader within 15 minutes.
Calculation of results
  1. This standard curve is used to determine the amount in an unknown sample. The standard curve is generated by plotting the average O.D. (450 nm) obtained for each of the six standard concentrations on the vertical (Y) axis versus the corresponding concentration on the horizontal (X) axis.
  2. First, calculate the mean O.D. value for each standard and sample. All O.D. values, are subtracted by the mean value of the zero standard before result interpretation. Construct the standard curve using graph paper or statistical software.
  3. To determine the amount in each sample, first locate the O.D. value on the Y-axis and extend a horizontal line to the standard curve. At the point of intersection, draw a vertical line to the X-axis and read the corresponding concentration.
  4. Any variation in operator, pipetting and washing technique, incubation time or temperature, and kit age can cause variation in result. Each user should obtain their own standard curve.
  5. The sensitivity by this assay is 0.1 ng/ml.
  6. Standard curve


Storage2-8.
validity six months.

FOR RESEARCH USE ONLY; NOT FOR THERAPEUTIC OR DIAGNOSTIC APPLICATIONS! PLEASE READ THROUGH ENTIRE PROCEDURE BEFORE BEGINNING!

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