Human von Willebrand Factor ELISA Kit

Key features and details

  • Specification: 96 Test
  • Sensitivity: 0.02 ng/ml (50 μl);0.69 ng/ml (10 μl)
  • Standard Curve Range: 4.69~300 ng/ml
  • Standard Curve Gradient: 7 Points
  • Number of Incubations: 2
  • Sample Volume: 50 μl/10 μl
  • Assay type: Sandwich Elisa
  • Operation Duration: 60min
  • Brand:
CAT.NO. : AEHY0010
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Size:
96T
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Product Details
Background
Von Willebrand factor (VWF) is a large multimeric glycoprotein produced in endothelial cells and megakaryocytes and present in subendothelial matrix, blood plasma and platelets. VWF mediates adhesion and aggregation of platelets at sites of vascular injury, which are critical for both haemostasis and thrombosis.
typical data

ng/ml

O.D.

Average

Corrected

0.00

0.0064

0.0058

0.0061

 

4.69

0.0354

0.0345

0.0350

0.0293

9.38

0.0859

0.0789

0.0824

0.0798

18.75

0.2116

0.1990

0.2053

0.2055

37.50

0.5367

0.5317

0.5342

0.5306

75.00

1.3890

1.3180

1.3535

1.3829

150.00

2.5750

2.7090

2.6420

2.5689

300.00

3.6260

3.6480

3.6370

3.6199

Precision

Intra-assay Precision

 

Inter-assay Precision

Sample Number

S1

S2

S3

S1

S2

S3

22

22

22

6

6

6

Average(ng/ml)

5.7

32.8

151.8

5.3

31.3

113.6

Standard deviation

0.2

1.7

10.4

0.1

2.0

7.7

Coefficient of variation(%)

2.7

5.2

6.8

2.6

6.4

6.7

Intra-assay Precision (Precision within an assay) Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.

Inter-assay Precision (Precision between assays) Three samples of known concentration were tested six times on one plate to assess intra-assay precision.

Spike Recovery
The spike recovery was evaluated by spiking 3 levels of human von Willebrand Factor into health human serum sample. The un-spiked serum was used as blank in this experiment.
The recovery ranged from 94% to 126% with an overall mean recovery of 109%.
Sample Values

Sample Matrix

Sample Evaluated

Range (ng/ml)

Detectable

%

Mean of Detectable (ng/ml)

Serum

30

10.53-1936.87

100

1056.08


Serum/Plasma – Thirty samples from apparently healthy volunteers were evaluated for the presence of von Willebrand Factor in this assay. No medical histories were available for the donors.
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