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Pepsinogen I (PGI) is applied for the screening, risk stratification, and auxiliary diagnosis of chronic atrophic gastritis and gastric cancer, as well as the non-invasive evaluation of gastric mucosal secretory function and gastric body atrophy.
PGI OEM kit utilizes a two-antibody sandwich immunoassay and is applicable to chemiluminescence platforms. Specific monoclonal antibodies target distinct structural epitopes on the PG I molecule to capture serum or plasma PG I, delivering high sensitivity and exceptional specificity without cross-reactivity to Pepsinogen II (PG II). Calibrated with high-purity recombinant PG I antigen, the assay provides accurate, reliable, and stable quantitative results. Serving as a primary non-invasive biomarker for gastric acid secretory capacity, when combined with PG II and the PGI/PGII ratio (PGR), it supports early identification of gastric mucosal atrophy, non-invasive gastric cancer risk stratification, and clinical therapeutic monitoring.
★Bulk reagents are available with matching raw materials.
Marca :
QYM,SURFTECHArtículo n.° :
PGI-1Pedido (MOQ) :
On requestPago :
T/TOrigen del producto :
ChinaColor :
R1 should be a colorless to pale yellow transparent liquid; R2 should be a milky white suspension.Puerto de embarque :
Hefei or other portsPlazo de entrega :
On requestPeso :
On requestPGI OEM reagent
Product Specifications
| Product Name | PGI OEM reagent (chemiluminescence platforms) |
| Application: | It is applied |
| Detection Principle |
Two-antibody sandwich immunoassay |
|
Sample Type: |
Serum / Plasma |
|
Calibrator Component: |
Recombinant PGI |
|
Limit of blank (LoB) |
≤1.0 ng/mL |
|
Limit of Detection(LoD） |
≤2.0 ng/mL |
|
Linear range |
2.0–200.0 ng/mL |
|
Interferents |
Bilirubin <25 mg/dL; Hemoglobin <1000 mg/dL; Triglyceride <1500 mg/dL; Biotin ≤10 ng/mL |
|
Precision |
Intra-assay CV ≤5%; Inter-assay CV ≤8% |
|
Traceability |
Method comparison with Abbott |
| Method comparison | vs. Abbott, r > 0.975 |
| Package Size |
on request |
| Storage/Shipping | Store sealed and protected from light at 2 °C to 8 °C |
| Shelf Life | 12 months |
Product Advantages
1.Sensitivity complies with design input requirements
2.Correlation coefficient > 0.9900 across linear range
3.Industry-leading precision
4.Sample recoveries meet requirements within linear range
5.High correlation vs reference reagent (R > 0.90)
Sensitivity Analysis Batch precision test
Linear Range Validation
Clinical comparison
Application Scenarios
Pepsinogen I (PGI) is applied for the screening, risk stratification, and auxiliary diagnosis of chronic atrophic gastritis and gastric cancer, as well as the non-invasive evaluation of gastric mucosal secretory function and gastric body atrophy.
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