| Code | CSB-EL017647HU-IS |
| Size | 96T,5×96T,10×96T |
| Price | Request a Quote |
| Trial Size |
24T ELISA Kit Trial Size (Only USD$150/ kit) * Sample kit cost can be deducted as a $30 credit for each 96-assay kit of the same analyte and brand you subsequently purchase within six months until depleted. More details >> Interested in a trial size? Please leave a message below.
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Intra-assay Precision (Precision within an assay): CV%<8% | ||||||
Three samples of known concentration were tested twenty times on one plate to assess. | ||||||
Inter-assay Precision (Precision between assays): CV%<10% | ||||||
Three samples of known concentration were tested in twenty assays to assess. | ||||||
To assess the linearity of the assay, samples were spiked with high concentrations of human PCSK9 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay. | ||||||
| Sample | Serum(n=4) | ||||
1:20 | Average % | 96 | ||||
Range % | 89-101 | |||||
1:40 | Average % | 92 | ||||
Range % | 85-96 | |||||
1:80 | Average % | 98 | ||||
Range % | 91-103 | |||||
1:160 | Average % | 85 | ||||
Range % | 81-92 | |||||
The recovery of human PCSK9 spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section. | ||||||
Sample Type | Average % Recovery | Range | ||||
Serum (n=5) | 93 | 89-99 | ||||
EDTA plasma (n=4) | 99 | 91-105 | ||||
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed. | ||||||
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ng/ml | OD1 | OD2 | Average | Corrected | ||
30 | 2.820 | 2.853 | 2.837 | 2.753 | ||
15 | 1.808 | 1.886 | 1.847 | 1.763 | ||
7.5 | 0.973 | 1.021 | 0.997 | 0.913 | ||
3.75 | 0.460 | 0.486 | 0.473 | 0.389 | ||
1.8 | 0.321 | 0.301 | 0.311 | 0.227 | ||
0.9 | 0.190 | 0.195 | 0.192 | 0.109 | ||
0.45 | 0.153 | 0.149 | 0.151 | 0.067 | ||
0 | 0.083 | 0.085 | 0.084 |
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This ELISA kit provides quantitative measurement of PCSK9 (proprotein convertase subtilisin/kexin type 9) in human samples, supporting research into lipid metabolism and cardiovascular risk. Because circulating PCSK9 levels vary substantially with statin therapy, fasting status, and metabolic syndrome severity, accurate quantification across these conditions demands a well-calibrated assay.
Detection Range: The 0.45–30 ng/mL range falls below typical human plasma PCSK9 concentrations (approximately 30–3,000 ng/mL), meaning most serum and plasma samples will require dilution. This is advantageous, as it allows researchers to use a single dilution factor that accommodates both baseline and post-treatment samples, including the marked reductions seen with PCSK9 inhibitor therapy.
Sensitivity: The 0.225 ng/mL sensitivity enables detection of PCSK9 in tissue homogenates and conditioned media from hepatocyte cultures, where local concentrations are significantly lower than circulating levels.
Sample Compatibility: Validation across serum, plasma, and tissue homogenates allows researchers to correlate circulating PCSK9 with hepatic expression directly, linking systemic lipid regulation to tissue-level biology within a single experimental framework.
Assay Efficiency: The 1–5 hour protocol and 50–100 µL sample volume accommodate longitudinal clinical cohort studies where serial blood draws yield limited volumes and high sample throughput is essential.
This kit is well suited for studies of familial hypercholesterolemia, statin response monitoring, and PCSK9 inhibitor pharmacodynamics.
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