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BlueGene Biotech Human Amyloid β Protein 42 ELISA kit (E01A0050)

E01A0050 Human Amyloid β Protein 42 ELISA kit

The Human Amyloid β Protein 42 ELISA kit can be used to identify samples from the human species. Amyloid β Protein 42 can also be called Aβ42, beta Amyloid(1-42), beta Amyloid 1-42, beta-Amyloid 1-42, Amyloid 1-42, beta-Amyloid 42, A4, AAA, ABETA, ABPP, AD1, Alzheimers Disease Amyloid Protein, Amyloid B, Amyloid Beta A4 Protein Precursor.

Products

Specifications of Human Amyloid β Protein 42 ELISA kit

Product Information

Cat. No.

E01A0050

Product Name

Human Amyloid β Protein 42 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

Aβ42 ELISA kit uses an anti-Aβ42 antibody and an Aβ42-HRP conjugate in a competitive enzyme immunoassay method. Aβ42-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-Aβ42 antibody binding site between Aβ42 from samples and Aβ42-HRP conjugate, the intensity of the color is inversely proportional to the concentration of Aβ42. Since the number of sites is limited, as more sites are occupied by Aβ42 from the sample, fewer sites are left to bind Aβ42-HRP conjugate. A standard curve is plotted relating the intensity of the color (O.D.) to the concentration of standards. The Aβ42 concentration in each sample is interpolated from this standard curve.


Quality Control on Human Amyloid β Protein 42 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 Aβ42 and analogues was observed.


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Summary of the Assay Procedure for Human Amyloid β Protein 42 ELISA kit

Summary of the Assay Procedure for Human Amyloid β Protein 42 ELISA kit

Citations of Human Amyloid β Protein 42 ELISA kit

E01A0050 has been referenced in the below publications:

Chronic Noise Exposure Acts Cumulatively to Exacerbate Alzheimer’s Disease-Like Amyloid-β Pathology and Neuroinflammation in the Rat Hippocampus.

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