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About Us
Durastab Medtec LTD has always adhered to the mission of "making diagnostic reagents more stable and more accurate" since its establishment, and is committed to providing excellent ready-to-use reagent solutions to global advanced medical diagnostic companies.
To date, Durastab has successfully provided products to over 600 companies and research teams at thousands of universities and scientific research institutions worldwide, among which are more than 50 listed IVD companies.
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- B1501, Meixun Science Park, No.19, Jinxiu Zhonglu , Pingshan, Shenzhen
- +86-0755-32813268
- info@durastab.com
Flagship Product: Safer, More Stable, and More Versatile – ProCide 300 Preservative!
Newly Upgraded 3rd-Gen TMB Substrate: Enhanced Stability with Multiple Freeze-Thaw Tolerance!
New Product Launch – Bovine Serum Albumin (BSA) for Clinical Biochemistry, Immunoassays, and Molecular Detection!
Flagship Product: Safer, More Stable, and More Versatile – ProCide™ 300 Preservative!
Newly Upgraded 3rd-Gen TMB Substrate: Enhanced Stability with Multiple Freeze-Thaw Tolerance!
New Product Launch – Bovine Serum Albumin (BSA) for Clinical Biochemistry, Immunoassays, and Molecular Detection!
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Bovine Serum Albumin (BSA)
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Bovine Serum Albumin (BSA)
Durastab™ High-Purity BSA is a premium-grade bovine serum albumin powder, meticulously processed to achieve exceptional purity and stability. With a specification of ≥98% purity, it minimizes interfering substances in the most sensitive applications. Sourced exclusively from rigorously inspected, healthy cattle herds in China, it is formulated for reliable performance. A key advantage is its RT storage stability, simplifying logistics and reducing costs without compromising quality. It is extensively tested to ensure low endotoxin levels and is free from critical contaminants such as fatty acids, proteases, and bovine IgG.
Application
This BSA is ideally suited for use as a blocking agent, a stabilizer for proteins and antibody conjugates, and a key component in various immunoassays (including ELISA, CLIA, and other diagnostic systems).
Features and Benefits
Exceptional Purity & Consistency: ≥98% purity ensures minimal interference, with excellent batch-to-batch reproducibility guaranteed by our ISO9001-certified production.
Enhanced Stability at RT: Stable under ambient conditions, facilitating easier storage, handling, and reducing cold-chain dependency.
Rigorous Quality Control: Produced to meet high standards for low endotoxin levels. Confirmed absence of fatty acids, proteases, and bovine IgG.
Assured Traceable Sourcing: Derived from dedicated, disease-controlled cattle herds in China, ensuring a secure and transparent supply chain.
Superior Solubility & Handling: Fine powder formulation allows for easy weighing, rapid dissolution, and convenient dispensing.
| Grade | Standard | Diagnostic Grade | Precision Grade | Molecular biology Grade | Micro Biological Grade |
| Art no. | BSAHS | BSAHD | BSAHP | BSAHM | BSAHO |
Dry powder appearance | Off-white to light yellowish-green granular powder | ||||
Appearance of solution (4% aqueous solution) | Clear to slightly turbid, pale yellow to yellowish green liquid | ||||
Purity | ≥98% | ≥98% | ≥98% | ≥98% | ≥97% |
Protein content | ≥98% | ≥98% | ≥98% | ≥99% | ≥97% |
Solubility (4% aqueous solution) | ≤15min | ≤15min | ≤15min | ≤15min | ≤15min |
Ash | ＜2% | ＜2% | ＜2% | ＜1% | ＜3% |
Moisture | ≤5% | ≤5% | ≤2% | ≤5% | ≤5% |
pH (10% aqueous solution) | 6.5-7.5 | 6.5-7.5 | 6.5-7.5 | 6.5-7.5 | 6.5-7.5 |
Bovine IgG | None Detected | None Detected | None Detected | None Detected | N/A |
Protease | None Detected | None Detected | None Detected | None Detected | None Detected |
Fatty acid | N/A | N/A | ≤0.01% | N/A | ≤0.01% |
Endotoxin | ≤3EU/mg | ≤1EU/mg | ≤1EU/mg | ≤1EU/mg | ≤1EU/mg |
Lead (Pb) | ≤10ppm | ≤10ppm | ≤10ppm | ≤10ppm | ≤10ppm |
Total colony count | ≤100CFU/g | ≤10CFU/g | ≤10CFU/g | ≤10CFU/g | ≤10CFU/g |
Application | |||||
ELISA & RIA Blocking | ◎ | ◎ | ◎ | ◎ | |
Westernblot & IHC | ◎ | ◎ | ◎ | ◎ | |
Stabilizers | ◎ | ◎ | ◎ | ◎ | |
CLIA | ◎ | ◎ | ◎ | ||
Molecular diagnostics | ◎ | ◎ | |||
Protein standard | ◎ | ◎ | ◎ | ||
Carrier protein | ◎ | ◎ | ◎ | ||
Cell culture | ◎ | ◎ | ◎ | ||
Vaccine production | ◎ | ◎ | ◎ | ||
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Committed to providing excellent ready-to-use reagent solutions to global advanced medical diagnostic companies.
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