CLIA Kit for Brain Natriuretic Peptide (BNP)
GC-B; B-Type Natriuretic Peptide; Ventricular Natriuretic Peptide; Gamma-brain natriuretic peptide; Brain natriuretic peptide 32
- Product No.SCA541Hu
- Organism SpeciesHomo sapiens (Human) Same name, Different species.
- Test MethodDouble-antibody Sandwich
- Assay Length2h, 40min
- Detection Range6.86-5,000pg/mL
- SensitivityThe minimum detectable dose of this kit is typically less than 2.56pg/mL.
- Sample TypeSerum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
- Download Instruction Manual
- UOM 48T96T 96T*5 96T*10 96T*100
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Packages (Simulation)
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Packages (Simulation)
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Results demonstration
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Typical Standard Curve
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ISO9001: 2008, ISO13485: 2003 Registered
Specificity of the CLIA Kit for Brain Natriuretic Peptide (BNP)
This assay has high sensitivity and excellent specificity for detection of Brain Natriuretic Peptide (BNP).
No significant cross-reactivity or interference between Brain Natriuretic Peptide (BNP) and analogues was observed.
Recovery of the CLIA Kit for Brain Natriuretic Peptide (BNP)
Matrices listed below were spiked with certain level of recombinant Brain Natriuretic Peptide (BNP) and the recovery rates were calculated by comparing the measured value to the expected amount of Brain Natriuretic Peptide (BNP) in samples.
| Matrix | Recovery range (%) | Average(%) |
| serum(n=5) | 82-95 | 86 |
| EDTA plasma(n=5) | 78-99 | 94 |
| heparin plasma(n=5) | 92-101 | 96 |
Precision of the CLIA Kit for Brain Natriuretic Peptide (BNP)
Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Brain Natriuretic Peptide (BNP) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Brain Natriuretic Peptide (BNP) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%
Linearity of the CLIA Kit for Brain Natriuretic Peptide (BNP)
The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Brain Natriuretic Peptide (BNP) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
| Sample | 1:2 | 1:4 | 1:8 | 1:16 |
| serum(n=5) | 85-92% | 80-92% | 87-94% | 92-104% |
| EDTA plasma(n=5) | 97-104% | 78-88% | 94-104% | 87-101% |
| heparin plasma(n=5) | 79-98% | 92-99% | 79-98% | 79-104% |
Stability of the CLIA Kit for Brain Natriuretic Peptide (BNP)
The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.
Assay procedure summary of the CLIA Kit for Brain Natriuretic Peptide (BNP)
1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 1 hours at 37°C;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37°C;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
6. Aspirate and wash 5 times;
7. Add 100µL Substrate Solution. Incubate 10 minutes at 37°C;
8. Read RLU value immediately.
Test principle of the CLIA Kit for Brain Natriuretic Peptide (BNP)
The microplate provided in this kit has been pre-coated with an antibody specific to Brain Natriuretic Peptide (BNP). Standards or samples are then added to the appropriate microplate wells with a biotin-conjugated antibody specific to Brain Natriuretic Peptide (BNP). Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. Then the mixture of substrate A and B is added to generate glow light emission kinetics. Upon plate development, the intensity of the emitted light is proportional to the Brain Natriuretic Peptide (BNP) level in the sample or standard.;