Description
Specifications Table
| Product Name | Quantity/Pack Size | Form | Grade | Application |
|---|---|---|---|---|
| BES Buffer for cell culture, 99%, Endotoxin (BET) 0.05EU/mg | 25 Gms, 100 Gms | Powder | Laboratory Grade | Cell Culture, Buffering Agent |
Product Description
When precision matters in cell culture, the right buffer can make all the difference. BES buffer (N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid) is a zwitterionic compound widely used in biological research for its excellent buffering capacity in the pH range of 6.4–7.8. This high-purity BES buffer, with 99% purity and ultra-low endotoxin levels (BET 0.05EU/mg), is specifically designed to support sensitive cell culture applications where contamination control is critical.
Whether you’re working with mammalian cell lines, primary cultures, or microbial systems, maintaining a stable pH environment is essential for cell viability and experimental reproducibility. Unlike traditional buffers like HEPES or Tris, BES offers superior chemical stability and minimal interference with cellular processes, making it a preferred choice in advanced research labs.
At eqipped, we understand the importance of reliable reagents in your experiments. This BES buffer undergoes rigorous quality checks to ensure consistency, so you can focus on your research without worrying about batch variations. The endotoxin-free certification (BET 0.05EU/mg) further guarantees that your cell cultures remain free from unwanted immune responses, particularly important in studies involving sensitive cell types like stem cells or immune cells.
Upgrade your cell culture workflow with high-purity BES buffer. Order now and experience the difference in your experiments.
Key Applications of BES Buffer
BES buffer is versatile and finds applications across various laboratory settings. Here’s how researchers commonly use it:
1. Cell Culture Media Preparation
BES is often used as a buffering agent in cell culture media, particularly when a pH range between 6.4 and 7.8 is required. Its stability under physiological conditions makes it ideal for maintaining optimal growth environments for cells like HEK293, CHO, or primary fibroblasts.
2. Protein and Enzyme Assays
In biochemical assays, BES buffer helps maintain consistent pH levels, ensuring accurate enzyme activity measurements. Its non-reactive nature prevents interference with protein interactions, making it suitable for kinetics studies and binding assays.
3. Molecular Biology Techniques
From DNA/RNA extraction to PCR setup, BES buffer provides a stable pH environment that protects nucleic acids from degradation. Its compatibility with common molecular biology reagents makes it a staple in many protocols.
4. Cryopreservation Solutions
When preparing cryoprotective media for cell storage, BES buffer helps minimize pH shifts during freezing and thawing, improving cell recovery rates post-cryopreservation.
5. Electrophysiology Studies
In patch-clamp experiments or ion channel research, BES buffer is often preferred for its ability to maintain pH without affecting membrane potentials or ion fluxes.
Why BES Buffer Over Other Buffers?
Choosing the right buffer depends on your experimental needs. Here’s why BES stands out:
Superior pH Stability
Unlike Tris or phosphate buffers, BES maintains a consistent pH even with temperature fluctuations, reducing variability in long-term cell culture experiments.
Low Toxicity
BES is non-toxic to most cell types at typical working concentrations (10–25 mM), making it safer for prolonged cell exposure compared to some alternative buffers.
Minimal Metal Ion Binding
Unlike buffers such as citrate or EDTA, BES does not chelate essential metal ions like calcium or magnesium, preserving cellular signaling pathways.
Compatibility with Serum
BES works well in both serum-containing and serum-free media, unlike some buffers that precipitate or interact with serum proteins.
Handling and Storage Guidelines
To ensure the longevity and effectiveness of your BES buffer, follow these best practices:
Storage
Store the powder in a cool, dry place at room temperature (15–25°C). Once dissolved, the solution can be stored at 4°C for up to 3 months or aliquoted and frozen at -20°C for longer-term use.
Preparation
Dissolve the buffer in ultrapure water (18.2 MΩ·cm) and adjust the pH using HCl or NaOH as needed. For cell culture applications, filter-sterilize the solution using a 0.22 µm membrane before use.
Safety Note
While BES buffer is generally safe, always wear appropriate personal protective equipment (PPE) such as gloves and goggles when handling. Avoid inhalation or direct contact with skin and eyes.
Need a dependable buffer for your cell culture experiments? Shop BES buffer online at eqipped and ensure consistent results every time.
FAQs
What is the ideal concentration of BES buffer for cell culture?
Most cell culture applications use BES buffer at a concentration of 10–25 mM. For mammalian cells, 15–20 mM is commonly recommended to maintain pH stability without causing osmotic stress.
Can BES buffer be autoclaved?
Yes, BES buffer solutions can be autoclaved at 121°C for 15–20 minutes. However, if you’re working with heat-sensitive components, filter sterilization is preferred.
Is BES buffer compatible with antibiotics in cell culture media?
Absolutely. BES buffer does not interfere with common antibiotics like penicillin-streptomycin or gentamicin, making it suitable for contaminated cell culture prevention.
How does BES buffer compare to HEPES for cell culture?
While both are zwitterionic buffers, BES has a slightly lower pKa (7.15 vs. 7.55 for HEPES), making it better suited for experiments requiring a pH closer to physiological conditions (7.2–7.4). Additionally, BES has minimal UV absorbance, which is beneficial for spectroscopy-based assays.
Where can I buy high-quality BES buffer for my lab?
You can purchase laboratory-grade BES buffer, including this 99% purity, endotoxin-free variant, directly from eqipped. We offer reliable shipping across India, ensuring your reagents arrive in optimal condition for your research.
