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对比
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Precision
Cell Culture Supernates, Tissue Lysates, Cerebrospinal Fluid
| Intra-Assay Precision | Inter-Assay Precision | |||||
|---|---|---|---|---|---|---|
| Sample | 1 | 2 | 3 | 1 | 2 | 3 |
| n | 20 | 20 | 20 | 20 | 20 | 20 |
| Mean (pg/mL) | 58.9 | 264 | 556 | 56.3 | 247 | 518 |
| Standard Deviation | 4.23 | 5.76 | 11.3 | 4.31 | 22.4 | 30.5 |
| CV% | 7.2 | 2.2 | 2 | 7.7 | 9.1 | 5.9 |
Recovery
The recovery of human Amyloid beta spiked to levels throughout the range of the assay in various matrices was evaluated.
| Sample Type | Average % Recovery | Range % |
|---|---|---|
| Cell Culture Media (n=4) | 99 | 95-105 |
| Cell Lysis Buffer (n=2) | 99 | 91-110 |
| Cerebrospinal Fluid (n=4) | 104 | 96-113 |
Linearity
Scientific Data
Human Amyloid beta (aa1-40) Quantikine ELISA Kit Summary
Background: Amyloid beta
Amyloid Precursor Protein (APP) is a type I transmembrane protein that is ubiquitously expressed on cell surfaces. It undergoes complex proteolytic processing and is cleaved by alpha-, beta-, and gamma-Secretases to generate soluble APP alpha, soluble APP beta, and Amyloid beta (A beta) fragments of several lengths. One of these fragments, A beta 42, generated by beta- and gamma-Secretase activities, has been implicated in Alzheimer's disease. Aberrantly high levels of this peptide form and accumulate in the brains of Alzheimer's disease patients to create the senile plaques characteristic of the disease.