快速检测系列ELISA试剂盒
一步法人Kelch样ECH关联蛋白1(KEAP1)酶联免疫吸附测定试剂盒
货号
FY-EH2519S样本类型
Serum, Plasma, Tissue homogenate and Other biological samples；Sample Volume=50uL检测时间
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DataSheet 
产品详情
英文名称:
EasyPro Human Kelch-like ECH-associated protein 1(KEAP1)ELISA Kit
种属:
Human
别称:
KEAP1, INrf2, KLHL19, kelch like ECH associated protein 1, Cytosolic inhibitor of Nrf2, Kelch-like protein 19, KIAA132
Uniport ID:
Q14145
检测方法:
Sandwich
标准品:
20ng/mL
灵敏度:
0.19 ng/mL
检测范围:
0.32-20ng/mL
反应时间:
1.5H
样品类型:
Serum, Plasma, Tissue homogenate and Other biological samples；Sample Volume=50uL
研究领域:
Cancer
测试原理:
This ELISA kit uses the Sandwich-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to KEAP1. Samples (or Standards) and and Horseradish Peroxidase (HRP) linked antibody specific for KEAP1 are added to the micro ELISA plate wells. KEAP1 in samples (or standards) combines with the coated antibody and HRP linked detection antibody special to KEAP1. Excess conjugate and unbound sample or standard are washed from the plate. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm. The OD value is proportional to the concentration of KEAP1. You can calculate the concentration of KEAP1 in the samples 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 |
|---|---|---|---|---|
| 20 | 2.305 | 2.341 | 2.323 | 2.302 |
| 10 | 1.511 | 1.537 | 1.524 | 1.503 |
| 5 | 0.88 | 0.891 | 0.886 | 0.865 |
| 2.5 | 0.397 | 0.4 | 0.399 | 0.378 |
| 1.25 | 0.218 | 0.22 | 0.219 | 0.198 |
| 0.63 | 0.118 | 0.119 | 0.119 | 0.098 |
| 0.32 | 0.071 | 0.072 | 0.072 | 0.051 |
| 0 | 0.021 | 0.021 | 0.021 | 0 |
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.
| 样本类型 | Range(%) | Average Recovery(%) |
|---|---|---|
| Serum (n=8) | 81-95 | 88 |
| EDTA plasma (n=8) | 86-99 | 92 |
| Cell culture media (n=8) | 89-105 | 97 |
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 (%) | 85-92 | 98-105 | 89-97 |
| Average (%) | 92 | 99 | 89 | |
| 1:4 | Range (%) | 95-103 | 98-105 | 95-106 |
| Average (%) | 102 | 102 | 104 | |
| 1:8 | Range (%) | 97-105 | 86-92 | 87-96 |
| Average (%) | 98 | 89 | 90 | |
| 1:16 | Range (%) | 93-102 | 91-103 | 82-90 |
| Average (%) | 101 | 92 | 85 |
检测流程图
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