通用型ELISA试剂盒
Cort(Corticosterone) ELISA Kit
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货号
FY-EU1136样本类型
Serum, Plasma, urine and Other biological fluids; Sample Volume=50μL检测时间
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产品详情
英文名称:
Cort(Corticosterone) ELISA Kit
种属:
Universal
别称:
Corticosrone
检测方法:
Competitive
标准品:
200ng/mL
灵敏度:
2.35 ng/mL
检测范围:
3.13-200ng/mL
反应时间:
1.5H
样品类型:
Serum, Plasma, urine and Other biological fluids; Sample Volume=50μL
研究领域:
Infection immunity;Endocrinology;Hormone metabolism;
测试原理:
This ELISA kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with Cort. Standards or samples are added to the appropriate micro ELISA plate wells then with a biotin-conjugated antibody specific to Cort. Next,Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Cort in the samples is then determined by comparing the OD of the samples to the standard curve.
技术数据
As the OD values of the standard curve may vary according to the conditions of the actual assay performance (e.g. operator, pipetting technique, washing technique or temperature effects), the operator should establish a standard curve for each test. Typical standard curve and data is provided below for reference only.
| Concentration | OD1 | OD2 | Average OD | Corrected |
|---|---|---|---|---|
| 200 | 0.24 | |||
| 100 | 0.337 | |||
| 50 | 0.57 | |||
| 25 | 0.796 | |||
| 12.5 | 1.049 | |||
| 6.25 | 1.428 | |||
| 3.13 | 1.825 | |||
| 0 | 2.455 |
线性
Samples were spiked with high concentrations of target proteins and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.
| Serum (n=5) | EDTA plasma (n=5) | Cell culture media (n=5) | ||
|---|---|---|---|---|
| 1:2 | Range (%) | 85-105 | 86-93 | 90-101 |
| Average (%) | 90 | 92 | 95 | |
| 1:4 | Range (%) | 87-98 | 86-93 | 80-101 |
| Average (%) | 88 | 89 | 87 | |
| 1:8 | Range (%) | 91-102 | 93-101 | 87-96 |
| Average (%) | 92 | 94 | 90 | |
| 1:16 | Range (%) | 86-102 | 86-97 | 96-105 |
| Average (%) | 89 | 88 | 103 |
精密度
Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level were tested 20 times on one plate, respectively. Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level were tested on 3 different plates, 20 replicates in each plate, respectively.
| Item | Intra-assay Precision | Intra-assay Precision |
|---|---|---|
| Sample | 3 | 3 |
| Replicate | 9 | 18 |
| CV(%) | 5 | 8 |
回收率
The recovery of spiked at three different levels in samples throughout the range of the assay was evaluated in various matrices.
| Sample Type | Range(%) | Average Recovery(%) |
|---|---|---|
| Serum (n=8) | 86-99 | 92 |
| EDTA plasma (n=8) | 82-95 | 88 |
| Cell culture media (n=8) | 80-95 | 87 |
检测流程图
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