UreaGel Buffer (10X TBE): Precision-Engineered for High-Resolution Electrophoresis
UreaGel Buffer (10X TBE) is a specialised concentrate designed to provide the ionic strength and buffering capacity required for high-performance denaturing polyacrylamide gel electrophoresis (PAGE). In molecular biology, achieving crisp, distinct bands for DNA and RNA sequencing or fragment analysis is often hindered by inconsistent buffer preparation and varying reagent purity. This stabilised 10X concentrate eliminates the variability associated with manual weighing and mixing, ensuring that your electrophoresis runs are reproducible and your data is reliable.
The formulation utilises a Tris-Borate-EDTA (TBE) system, which is inherently suited for the high-voltage conditions required to maintain denaturing temperatures in sequencing gels. By providing a consistent 10X concentration of high-purity TBE, the buffer ensures optimal conductivity and pH stability throughout the run. This prevents the formation of “smearing” or “smiling” artifacts, maintaining the integrity of the denaturing environment when used in conjunction with urea-based gel matrices.
Key Benefits:
- Enhanced Resolution: Crisp, clear band separation. Optimised ionic concentration ensures high-definition separation of nucleic acid fragments, even in high-voltage sequencing applications.
- Time Efficiency: Pre-mixed 10X concentrate. Reduces lab preparation time and eliminates the risk of weighing errors or cross-contamination during manual buffer formulation.
- Batch Consistency: Guaranteed reproducibility. Manufactured under strict quality control to ensure that every electrophoresis run performs identically, providing confidence in longitudinal studies.
- Extended Stability: Optimised shelf life. The concentrated format is stabilised to prevent precipitation, a common issue with standard 10X TBE solutions, ensuring long-term usability.
Technical Insights
Buffer Performance in Denaturing PAGE
The TBE system in UreaGel Buffer provides superior buffering capacity compared to TAE, making it the ideal choice for longer runs at higher voltages. It maintains a stable pH, which is critical for preserving the denatured state of nucleic acids as they migrate through the polyacrylamide matrix.
Specifications
- Composition: Tris-Borate-EDTA (TBE) Concentrate
- Concentration: 10X (Dilute to 1X for working solution)
- Application: Denaturing Polyacrylamide Gel Electrophoresis (DNA/RNA Sequencing)
- Storage: Room Temperature (15°C to 30°C)
- Shelf Life: 12 months from date of manufacture
- Certification: Molecular Biology Grade; DNase, RNase, and Protease-free