48T
$299.00
96T
$399.00
Species:
Universal
Alternative Name:
N,N-Dimethylarginine; NG,NG-Dimethylarginine dihydrochloride; Asymmetric Dimethylarginine
Assay Type:
Competitive
unit:
ng/mL
Standard:
1000 ng/mL
Sensitivity:
4.51 ng/mL
Detection Range:
15.63-1000 ng/mL
Assay Time:
1.5H
Sample Type:
Serum, Plasma, Tissue homogenates, Cell lysates, Cell culture supernates and Other biological fluids
Research:
Metabolic pathway;Cardiovascular biology;
Test Principle:
This ELISA kit uses the Competitive-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with ADMA. Standards or samples are added to the appropriate micro ELISA plate wells then with a biotin-conjugated antibody specific to ADMA. 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 ADMA in the samples is then determined by comparing the OD of the samples to the standard curve.
| ng/mL | OD | Corrected |
|---|---|---|
| 1000 | 0.274 | |
| 500 | 0.374 | |
| 250 | 0.568 | |
| 125 | 0.829 | |
| 62.5 | 1.124 | |
| 31.25 | 1.519 | |
| 15.63 | 1.833 | |
| 0 | 2.497 |
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.
| Intra-assay Precision | Inter-assay Precision | |||||
|---|---|---|---|---|---|---|
| Sample | 1 | 2 | 3 | 1 | 2 | 3 |
| n | 20 | 20 | 20 | 20 | 20 | 20 |
| Mean(ng/mL) | 19.69 | 42.02 | 280.9 | 20.49 | 31.45 | 349.65 |
| Standard deviation | 2.1 | 4.64 | 14.51 | 2.61 | 5.77 | 18.06 |
| C V (%) | 4.06 | 6.28 | 3.9 | 3.8 | 6.29 | 3.74 |
| Sample Type | Range(%) | Average Recovery(%) |
|---|---|---|
| Serum (n=8) | 96-107 | 101 |
| EDTA plasma (n=8) | 90-105 | 97 |
| Cell culture media (n=8) | 85-97 | 91 |
| Serum (n=5) | EDTA plasma (n=5) | Cell culture media (n=5) | ||
|---|---|---|---|---|
| 1:2 | Range (%) | 80-96 | 86-97 | 87-98 |
| Average (%) | 87 | 95 | 95 | |
| 1:4 | Range (%) | 86-92 | 86-97 | 92-101 |
| Average (%) | 89 | 93 | 100 | |
| 1:8 | Range (%) | 96-105 | 88-95 | 82-98 |
| Average (%) | 100 | 91 | 86 | |
| 1:16 | Range (%) | 89-103 | 92-101 | 89-97 |
| Average (%) | 102 | 95 | 93 |