Description
| Product name: | Rat NE(Noradrenaline/Norepinephrine) ELISA Kit |
| Reactivity: | Rat |
| Alternative Names: | NA; NAd; Norepinephrine; Norepi |
| Assay Type: | Sandwich |
| Sensitivity: | 8 pg/mL |
| Standard: | 400 pg/mL |
| Range: | 6.25-400 pg/mL |
| Sample Type: | serum, plasma, cell lysates, cell culture supernates and other biological fluids |
| Assay Length: | 2h |
| Research Area: | Signal transduction;Infection immunity;Neuro science;Hormone metabolism; |
| Test principle: | This assay employs the competitive inhibition enzyme immunoassay technique. The microtiter plate provided in this kit has been pre-coated with Noradrenaline(NE) protein. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Noradrenaline(NE). 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 Noradrenaline(NE) in the samples is then determined by comparing the OD of the samples to the standard curve. |
| Standard Curve | 
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Precision
Intra-assay Precision (Precision within an assay)：CV%<8%
Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.
Inter-assay Precision (Precision between assays)：CV%<10%
Three samples of known concentration were tested in forty separate assays to assess inter-assay precision.
Recovery
Matrices listed below were spiked with certain level of recombinant NE and the recovery rates were calculated by comparing the measured value to the expected amount of NE in samples.
| Matrix | Recovery range | Average |
|---|---|---|
| serum(n=5) | 87-95% | 91% |
| EDTA plasma(n=5) | 93-107% | 100% |
| Heparin plasma(n=5) | 87-99% | 93% |
Linearity
The linearity of the kit was assayed by testing samples spiked with appropriate concentration of NE and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
| Matrix | 1:2 | 1:4 | 1:8 | 1:16 |
|---|---|---|---|---|
| serum(n=5) | 85-101% | 87-103% | 84-92% | 78-90% |
| EDTA plasma(n=5) | 91-98% | 83-101% | 87-98% | 95-102% |
| Heparin plasma(n=5) | 85-96% | 95-104% | 93-102% | 79-94% |
| Note | For Research Use Only |
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