人ELISA试剂盒
人胱抑素C(Cys-C)酶联免疫吸附测定试剂盒
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货号
FY-EH5595样本类型
Serum, Plasma and Other biological fluids,Sample Volume= 100μL检测时间
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DataSheet 
产品详情
英文名称:
Human Cys-C(Cystatin C) ELISA Kit
种属:
Human
别称:
CST3, Cystatin 3, ARMD11, Post-Gamma-Globulin
Uniport ID:
P01034
检测方法:
Sandwich
标准品:
100ng/mL
灵敏度:
0.94 ng/mL
检测范围:
1.56-100ng/mL
反应时间:
3.5H
样品类型:
Serum, Plasma and Other biological fluids,Sample Volume= 100μL
测试原理:
The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Cys-C. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Cys-C. Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Cys-C, biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of stop solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Cys-C 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 |
|---|---|---|---|---|
| 100 | 2.351 | 2.353 | 2.352 | 2.311 |
| 50 | 1.549 | 1.561 | 1.555 | 1.509 |
| 25 | 0.946 | 0.95 | 0.948 | 0.906 |
| 12.5 | 0.514 | 0.518 | 0.516 | 0.474 |
| 6.25 | 0.259 | 0.259 | 0.259 | 0.219 |
| 3.13 | 0.144 | 0.144 | 0.144 | 0.104 |
| 1.56 | 0.083 | 0.083 | 0.083 | 0.043 |
| 0 | 0.04 | 0.04 | 0.04 | 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) | 90-105 | 97 |
| EDTA plasma (n=8) | 80-95 | 87 |
| Cell culture media (n=8) | 86-99 | 92 |
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 (%) | 86-97 | 92-101 | 86-101 |
| Average (%) | 90 | 101 | 99 | |
| 1:4 | Range (%) | 88-95 | 82-98 | 86-101 |
| Average (%) | 93 | 84 | 91 | |
| 1:8 | Range (%) | 92-101 | 89-97 | 87-96 |
| Average (%) | 100 | 92 | 89 | |
| 1:16 | Range (%) | 87-98 | 85-93 | 92-105 |
| Average (%) | 93 | 86 | 104 |
检测流程图
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