白介素2(IL2)检测试剂盒(酶联免疫吸附试验法)

文献支持白介素2(IL2)检测试剂盒(酶联免疫吸附试验法)

价格: ¥1873

品牌:cloud-clone corp(优尔)

货号:SEA073Mu

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库存 :充足

供应商 :杭州昊鑫生物

检测限 :15.6-1,000pg/mL

检测方法 :双抗夹心

适应物种 :Mus musculus (Mouse,小鼠)

样本 :serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids

规格 :48T

白介素2(IL2)检测试剂盒(酶联免疫吸附试验法)

本试剂盒运用双抗体夹心 ELISA 法定量测定小鼠血清、血浆、组织匀浆、细胞裂解液、细胞培养上清或其它相关生物液体中 IL2 含量。

优尔生一级代理:杭州昊鑫生物
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优尔生位于武汉出口加工区,已整体通过ISO 9001:2008、ISO 13485:2003质量管理体系认证,以提供生命科学科研用检测试剂为主,75%以上的服务对象位于欧美国家。凭借着深厚的技术积累和庞大的引物、cDNA、质粒、杂交瘤细胞“种子库”和检测试剂半成品库库存,能够做到约11,000种蛋白、19,000种抗体以及7,000种检测试剂盒立等可取。蛋白项目部拥有四大技术平台,包括多肽合成平台、小分子抗原性改造平台、天然蛋白提取平台和采用原核(E.Coli)表达系统与真核(酵母、杆状病毒-昆虫细胞、哺乳动物细胞)表达系统的重组蛋白表达平台。抗体项目部拥有完备的单克隆抗体和多克隆抗体制备平台。免疫应用部负责检测试剂盒的研制,主要是ELISA和CLIA试剂盒。成品检测部负责所有蛋白、抗体以及检测试剂盒产成品的检测及质量控制。公司实行三级质量控制,包括原料检测、半成品检测及成品检测。
 
  • 编号SEA073Mu
  • 物种Mus musculus (Mouse,小鼠) 相同的名称,不同的物种。
  • 实验方法双抗夹心
  • 反应时长3h
  • 检测范围15.6-1,000pg/mL
  • 灵敏度最小可检测剂量小于等于5.9pg/mL.
  • 样本类型serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
  • 下载英文说明书   中文说明书
  • 规格48T96T 96T*5 96T*10 96T*100
  • 价格¥ 2676
产品包装图模拟

 

特异性

本试剂盒用于检测白介素2(IL2),经检测与其它相似物质无明显交叉反应。
由于受到技术及样本来源的限制,不可能完成对所有相关或相似物质交叉反应检测,因此本试剂盒有可能与未经检测的其它物质有交叉反应。

回收率

分别于定值血清及血浆样本中加入一定量的白介素2(IL2)(加标样品),重复测定并计算其均值,回收率为测定值与理论值的比率。

样本 回收率范围(%) 平均回收率(%)
serum(n=5) 79-104 97
EDTA plasma(n=5) 92-101 97
heparin plasma(n=5) 78-102 92

精密度

精密度用样品测定值的变异系数CV表示。CV(%) = SD/mean×100 
批内差:取同批次试剂盒对低、中、高值定值样本进行定量检测,每份样本连续测定20 次,分别计算不同浓度样本的平均值及SD值。
批间差:选取3个不同批次的试剂盒分别对低、中、高值定值样本进行定量测定,每个样本使用同一试剂盒重复测定8次,分别计算不同浓度样本的平均值及SD值。
批内差: CV<10% 
批间差: CV<12% 

线性

在定值血清及血浆样本内加入适量的白介素2(IL2),并倍比稀释成1:2,1:4,1:8,1:16的待测样本,线性范围即为稀释后样本中白介素2(IL2)含量的测定值与理论值的比率。

样本 1:2 1:4 1:8 1:16
serum(n=5) 91-104% 85-104% 93-101% 79-89%
EDTA plasma(n=5) 78-101% 95-103% 80-97% 80-89%
heparin plasma(n=5) 83-101% 91-105% 78-89% 84-105%

稳定性

经测定,试剂盒在有效期内按推荐温度保存,其活性降低率小于5%。
为减小外部因素对试剂盒破坏前后检测值的影响,实验室的环境条件需尽量保持一致,尤其是实验室内温度、湿度及温育条件。其次由同一实验员来进行操作可减少人为误差。

实验流程

1. 实验前标准品、试剂及样本的准备;
2. 加样(标准品及样本)100µL,37°C孵育1小时;
3. 吸弃,加检测溶液A100µL,37°C孵育1小时;
4. 洗板3次;
5. 加检测溶液B100µL,37°C孵育30分钟;
6. 洗板5次;
7. 加TMB底物90µL,37°C孵育10-20分钟;
8. 加终止液50µL,立即450nm读数。

实验原理

将白介素2(IL2)抗体包被于96孔微孔板中,制成固相载体,向微孔中分别加入标准品或标本,其中的白介素2(IL2)与连接于固相载体上的抗体结合,然后加入生物素化的白介素2(IL2)抗体,将未结合的生物素化抗体洗净后,加入HRP标记的亲和素,再次彻底洗涤后加入TMB底物显色。TMB在过氧化物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白介素2(IL2)呈正相关。用酶标仪在450nm波长下测定吸光度(O.D.值),计算样品浓度。

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