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  • bovine serum albumin elisa 1
  • bovine serum albumin elisa 1

BlueGene Biotech Sheep Cluster of Differentiation 4 ELISA kit (E14C0004)

  • Immunology
  • Stem Cells

E14C0004 Sheep Cluster of Differentiation 4 ELISA kit

Sheep Cluster of Differentiation 4 ELISA kit is suitable for the detection of samples from sheep species. Cluster of Differentiation 4 can also be called OKT4D, IMD79, CD4 (L3T4), CD4 antigen (p55), CD4 Antigen, CD4 molecule, CD4 Receptor, CD4+ Lymphocyte deficiency, included, CD4mut.

Products

Specifications of Sheep Cluster of Differentiation 4 ELISA kit

Product Information

Cat. No.

E14C0004

Product Name

Sheep Cluster of Differentiation 4 ELISA kit

Species

Sheep

Product Size

48 Tests / 96 Tests

Concentration

25-500 ng/ml

Sensitivity

1.0 ng/mL

Principal

Sandwich ELISA

Sample Volume

50 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

10 mL

1 vial

STANDARD A (0.5mL)

0 ng/mL

1 vial

STANDARD B (0.5mL)

25 ng/mL

1 vial

STANDARD C (0.5mL)

50 ng/mL

1 vial

STANDARD D (0.5mL)

100 ng/mL

1 vial

STANDARD E (0.5mL)

250 ng/mL

1 vial

STANDARD F (0.5mL)

500 ng/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

CD4 ELISA kit applies the quantitative sandwich enzyme immunoassay technique. The microtiter plate has been pre-coated with a monoclonal antibody specific for CD4. Standards or samples are then added to the microtiter plate wells and CD4 if present, will bind to the antibody pre-coated wells. In order to quantitatively determine the amount of CD4 present in the sample, a standardized preparation of horseradish peroxidase (HRP)-conjugated polyclonal antibody, specific for CD4 are added to each well to "sandwich" the CD4 immobilized on the plate. The microtiter plate undergoes incubation, and then the wells are thoroughly washed to remove all unbound components. Next, substrate solutions are added to each well. The enzyme (HRP) and substrate are allowed to react over a short incubation period. Only those wells that contain CD4 and enzyme-conjugated antibody will exhibit a change in color. The enzyme-substrate reaction is terminated by addition of a sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450 nm. A standard curve is plotted relating the intensity of the color (O.D.) to the concentration of standards. The CD4 concentration in each sample is interpolated from this standard curve.


Quality Control On Sheep CD4 ELISA Kit

Coefficient of Variance

Intra Variation% <10%

Inter Variation% <12%

Recovery

87-118.37%

Linearity

Diluent Ratio

Range %

1:2

98-117

1:4

93-106

1:8

91-105

Specificity/Cross-reactivity

No significant cross-reactivity or interference between CD4 and analogues was observed.


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Summary of the Assay Procedure for Sheep Cluster of Differentiation 4 ELISA kit

Summary of the Assay Procedure for Sheep Cluster of Differentiation 4 ELISA kit

Citations of Sheep Cluster of Differentiation 4 ELISA kit

E14C0004 has been referenced in the below publications:

Effects of α-Lipoic Acid on Growth Performance, Antioxidant and Immunity of Sheep under Heat Stress.

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