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| Product Name | Fetal Bovine Serum (Ultra-Premium Grade) |
| Catalog No. | RESK-0267 |
| Description | Fetal Bovine Serum (Ultra-Premium Grade) is a high-quality serum of South American origin. It undergoes triple 100 nm filtration together with mycoplasma and virus screening, and is filled by fully automated systems under standardized production after rigorous testing, ensuring consistent quality. The serum is rich in nutrients required for cell growth and is suitable for the culture of most conventional cell lines, tumor cells, tool cells, immune cells, macrophages, and certain stem cells such as mesenchymal stem cells. |
| Intended Use | Growth supplement for cell culture media, suitable for most conventional cells, tumor cells, tool cells, immune cells, macrophages, and some stem cells (e.g., mesenchymal stem cells). |
| Sample Type | Cell culture (mammalian cells) |
| Performance Range / Specifications | Origin: South America Endotoxin level: <=0.1 EU/mL Hemoglobin content: <=0.02% (w/v) Mycoplasma test: Negative Sterilization: Triple 100 nm filtration Free of mycoplasma, bacteria, and viruses; low antibody levels; high growth factor content. |
| Components / Formulation | Natural bovine fetal serum; rich in nutrients required for cell growth. |
| Storage Conditions | Store at -25 to -15 °C, shelf life 5 years. If conditions allow, storage at -85 to -65 °C gives better preservation and longer storage time. Once thawed, keep the serum at 2-8 °C and use within 6 weeks; do not leave at room temperature for extended periods. For long-term storage of thawed serum, aliquot and refreeze. |
| Shelf Life | 5 years when stored at -25 to -15 °C; use within 6 weeks after thawing at 2-8 °C. |
| Package Specifications | 500 mL |
| Product Form | Frozen liquid serum |
| Quality Control | Triple 100 nm filtration; mycoplasma and virus screening; automated filling under standardized production. Endotoxin <=0.1 EU/mL; hemoglobin <=0.02% (w/v); mycoplasma negative; free of bacteria and viruses. Cell growth performance verified, e.g., proliferation of HepG2 and Huh-7 cells. |
| Source / Origin | South America (bovine fetal blood) |
| Shipping Conditions | Shipped on dry ice. |
| Expiration Date / Stability | 5 years at -25 to -15 °C; storage at -85 to -65 °C further improves preservation. |
| Compatibility | Compatible with most conventional cells, tumor cells, tool cells, immune cells, macrophages, and some stem cells (e.g., mesenchymal stem cells); supports fast proliferation and high cloning efficiency. |
| Application Notes / Precautions | Thawing methods (choose one): 1) Transfer the serum from -20 °C storage to a 2-8 °C refrigerator overnight, then place the bottle in a 37 °C water bath, shaking occasionally to mix. Do not keep the thawed serum in the 37 °C bath for too long. 2) Alternatively, place the serum directly from -20 °C into a 37 °C water bath, shaking the bottle continuously to accelerate thawing and mixing. Note: If the bottle is not shaken, material deposited at the bottom may undergo protein denaturation and precipitate when the temperature exceeds 40 °C. |
| Batch-to-Batch Consistency | Minimal batch-to-batch variation; stable performance and good reproducibility. |
For research use only, not for clinical use.
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