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BlueGene Biotech Human pro Brain Natriuretic Peptide ELISA kit

E01B0203 Human pro Brain Natriuretic Peptide ELISA kit

The Human pro Brain Natriuretic Peptide ELISA kit can be used to identify samples from the human species. pro Brain Natriuretic Peptide can also be called BNP, proBNP.

Specifications of Human pro Brain Natriuretic Peptide ELISA kit

Product Information

Cat. No.

E01B0203

Product Name

Human pro Brain Natriuretic Peptide ELISA kit

Species

Human

Product Size

48 Tests / 96 Tests

Concentration

50-1000 pg/ml

Sensitivity

1.0 pg/ml

Principal

Competitive ELISA

Sample Volume

100 ul

Sample Type

Serum, plasma, cell culture supernatants, body fluid and tissue homogenate

Assay Time

90 minutes

Platform

Microplate Reader

Conjugate

HRP

Detection Method

Colorimetric

Storage

2-8°C


Kit Components

MATERIALS

SPECIFICATION

QUANTITY

MICROTITER PLATE

96 wells

stripwell

ENZYME CONJUGATE

6.0 mL

1 vial

STANDARD A (0.5mL)

0 pg/mL

1 vial

STANDARD B (0.5mL)

50 pg/mL

1 vial

STANDARD C (0.5mL)

100 pg/mL

1 vial

STANDARD D (0.5mL)

250 pg/mL

1 vial

STANDARD E (0.5mL)

500 pg/mL

1 vial

STANDARD F (0.5mL)

1000 pg/mL

1 vial

SUBSTRATE A

6 mL

1 vial

SUBSTRATE B

6 mL

1 vial

STOP SOLUTION

6 mL

1 vial

WASH SOLUTION (100 x)

10 mL

1 vial

BALANCE SOLUTION

3 mL

1 vial


Principle of the Assay

proBNP ELISA kit uses an anti-proBNP antibody and a proBNP-HRP conjugate in a competitive enzyme immunoassay method. proBNP-HRP conjugate is incubated with the assay sample and buffer in a pre-coated plate for one hour. The wells are decanted and washed five times when the incubation period is over. The HRP enzyme substrate is then incubated in the wells. The result of the enzyme-substrate reaction is a complex that is blue in hue. The process is finally stopped by adding a stop solution, causing the solution to turn yellow. In a microplate reader, the color intensity is measured spectrophotometrically at 450 nm. Due to competition for the anti-proBNP antibody binding site between proBNP from samples and proBNP-HRP conjugate, the intensity of the color is inversely proportional to the concentration of proBNP. Since the number of sites is limited, as more sites are occupied by proBNP from the sample, fewer sites are left to bind proBNP-HRP conjugate. A standard curve is plotted relating the intensity of the color (O.D.) to the concentration of standards. The proBNP concentration in each sample is interpolated from this standard curve.


Quality Control on Human pro Brain Natriuretic Peptide ELISA kit

Coefficient of Variance

Intra Variation% <10%

Inter Variation% <12%

Recovery

95-102%

Linearity

Diluent Ratio

Range %

1:2

93-105

1:4

88-106

1:8

86-108

Specificity/Cross-reactivity

No significant cross-reactivity or interference between proBNP and analogues was observed.


BlueGene Biotech Product Show

Summary of the Assay Procedure for Human pro Brain Natriuretic Peptide ELISA kit

Summary of the Assay Procedure for Human pro Brain Natriuretic Peptide ELISA kit

Citations of Human pro Brain Natriuretic Peptide ELISA kit

E01B0203 has been referenced in the below publications:

Maternal Serum VEGF Predicts Abnormally Invasive Placenta Better than NT-proBNP: a Multicenter Case-Control Study.

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