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Qualitatively measuring the activity of urease enzyme produced by Helicobacter pylori in the gastric mucosal biopsy specimen.

Specification
| Specimen | gastric mucosal biopsy specimen | |
|---|---|---|
| Test time | 60 minutes | |
| Storage temperature | 2-30℃ | |
| Expiration date | Refer to label for expiration date | |
| Sensitivity | Influenza A :100% Influenza B: 98.39% | |
| Specificity | Influenza A : 96.22% Influenza B :94.76% |
Helicosign Dry is an in vitro diagnostic kit that checks for H. pylori infection by measuring the presence of urease secreted by H. pylori bacteria using gastric mucosal tissue.The reagent contains urea, a substrate of urease secreted by H. pylori, and a pH indicator (Phenolred). The decomposition of urea by Urease produces ammonium ions and increases pH.At this point, the pH indicator changes from yellow to purple to determine the result..