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| Product Name | Viral Transport Medium, Universal |
| Catalog No. | ATRD-0008 |
| Description | A balanced salt solution containing protein stabilizers, antimicrobial agents, and pH indicators for the collection, transport, and preservation of clinical specimens intended for viral culture and molecular diagnostic testing. |
| Intended Use | Collection and transport of nasopharyngeal swabs, oropharyngeal swabs, nasal aspirates, and bronchoalveolar lavage specimens for respiratory virus detection by PCR, antigen testing, and viral culture. |
| Principle / Technology | Hanks' balanced salt solution provides physiological pH and osmotic conditions; bovine serum albumin stabilizes viral particles; antimicrobial cocktail suppresses bacterial and fungal overgrowth during transport. |
| Detection Method | Viral stability testing by TCID50 over 72 hours at 4°C, PCR Ct value comparison |
| Sample Type | Nasopharyngeal swabs, oropharyngeal swabs, nasal washes, BAL fluid, sputum |
| Performance Range / Specifications | Maintains >95% viral infectivity at 4°C for 72 hours; PCR Ct shift <1 cycle over 96 hours |
| Sensitivity / LOD | N/A |
| Specificity | Compatible with influenza, RSV, adenovirus, SARS-CoV-2, and other common respiratory viruses |
| Reaction Conditions / Protocol | Place swab into medium immediately after collection; break swab shaft at score line; cap tightly; transport at 2–8°C within 72 hours. |
| Components / Formulation | Hanks' balanced salt solution, BSA, HEPES buffer, gentamicin, amphotericin B, phenol red pH indicator |
| Storage Conditions | 2–8°C; protect from light |
| Shelf Life | 12 months |
| Package Specifications | 3 mL tubes (50/pack), 1.5 mL tubes (100/pack) |
| Product Form | Liquid, sterile, in screw-cap tube |
| Quality Control | Sterility, pH, viral stability validation with reference strains, antimicrobial efficacy |
| Key Features | Universal formulation for multiple virus types; color-coded pH indicator; antimicrobial protection; validated for PCR and culture methods |
For research use only, not for clinical use.
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