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双氢睾酮(DHT)ELISA试剂盒实验原理

本试剂盒应用双抗体夹心法测定标本中双氢睾酮(DHT)水平。用纯化的双氢睾酮(DHT)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双氢睾酮(DHT),再与HRP标记的双氢睾酮(DHT)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。TMBHRP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双氢睾酮(DHT)呈正相关。用酶标仪在450nm波长下测定吸光度(OD值),通过标准曲线计算样品中双氢睾酮(DHT)浓度。

试剂盒组成:

1

30倍浓缩洗涤液

20ml×1瓶

7

终止液 6ml×1瓶

2

酶标试剂

6ml×1瓶

8

标准品(240 ng/L) 0.5ml×1瓶

3

酶标包被板

12孔×8条

9

标准品稀释液 1.5ml×1瓶

4

样品稀释液

6ml×1瓶

10

说明书 1

5

显色剂A液

6ml×1瓶

11

封板膜 2

6

显色剂B液

6ml×1/瓶

12

密封袋 1

双氢睾酮(DHT)ELISA试剂盒ELISA试剂盒具有以下优点
1)快速: 仅需传统夹心法ELISA 1/3的操作时间,1小时即可完成整个试验流程;
2)简单: 只需1个洗涤步骤;
3)灵活: 可单独或同时检测总蛋白及磷酸化蛋白,可在同一板上检测不同的靶蛋白;
4)灵敏: 达到甚至超过行业标准,且结果一致性良好;
5)兼容: 常规比色法检测,实验室常规酶标仪读数;

温馨提醒ELISA加样时的防错小经验

(1)用一张写满字的纸,字越多越好,比如报纸,垫在下面,这样,加过标本的小孔看过去下面的字会变小,没加的字正常,非常容易区分。

(2)可以利用液面反光与没有加的孔加以区别

(3)在标本加完后,再把加样枪全压下,使液面产生小气泡,也可以加以区分

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