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Pepsinogen II (PGII) is applied for the screening, risk stratification, and auxiliary diagnosis of chronic atrophic gastritis, peptic ulcer diseases, and gastric cancer, as well as the dynamic monitoring of Helicobacter pylori (H. pylori) eradication therapy and gastric mucosal status.
PGII OEM kit utilizes a two-antibody sandwich immunoassay and is applicable to chemiluminescence platforms. Specific monoclonal antibodies target distinct structural epitopes on the PG II molecule to capture serum or plasma PG II, delivering high sensitivity and exceptional specificity without cross-reactivity to Pepsinogen I (PG I). Calibrated with high-purity recombinant PG II antigen, the assay provides accurate, reliable, and stable quantitative results. Serving as a key non-invasive biomarker for gastric health evaluation, when combined with PG I and the PGI/PGII ratio (PGR), it supports early identification of gastric mucosal lesions, non-invasive gastric cancer risk assessment, and clinical therapeutic efficacy monitoring.
★Bulk reagents are available with matching raw materials.
Marca :
QYM,SURFTECHArtículo n.° :
PGII-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 requestPGII OEM reagent
Product Specifications
| Product Name | PGII OEM reagent (chemiluminescence platforms) |
| Application: | It is applied for the screening, risk stratification, and auxiliary diagnosis of chronic atrophic gastritis, peptic ulcer diseases, and gastric cancer, as well as the dynamic monitoring of Helicobacter pylori (H. pylori) eradication therapy and gastric mucosal status. |
| Detection Principle |
Two-antibody sandwich immunoassay |
|
Sample Type: |
Serum / Plasma |
|
Calibrator Component: |
Recombinant PGII |
|
Limit of blank (LoB) |
≤0.05 ng/mL |
|
Linear range |
1–100 ng/mL, correlation coefficient r ≥ 0.9900 |
|
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% |
|
Traceable reference material |
Assayed serum |
|
Traceability |
Method comparison with Abbott |
| Hook |
1000 ng/mL |
| 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.Outstanding linearity ≤100 ng/mL, linear correlation coefficient >0.99
2.Measured sensitivity: 0.1 ng/mL, superior to industry criteria
3.Industry-leading precision
4.Good method comparison with Abbott Diagnostics in critical measuring range
5.Sample recovery <10% across all concentrations within linear range
6.Routine cooperation established with key domestic manufacturers
Sensitivity Analysis Batch precision test
Linear Range Validation Clinical comparison
Application Scenarios
Pepsinogen II (PGII) is applied for the screening, risk stratification, and auxiliary diagnosis of chronic atrophic gastritis, peptic ulcer diseases, and gastric cancer, as well as the dynamic monitoring of Helicobacter pylori (H. pylori) eradication therapy and gastric mucosal status.
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FAQ
How well does it perform alongside PGII for clinical gastric risk stratification (PGR cut-off)?
Excellent alignment. vs. Abbott, r > 0.975
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