Review:
Hepes Buffer
overall review score: 4.5
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score is between 0 and 5
Hepes-buffer is a widely used biological buffer solution composed of 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES). It is commonly employed in cell culture, molecular biology, and biochemical experiments to maintain pH stability within the physiological range, especially in conditions sensitive to pH fluctuations.
Key Features
- Maintains stable pH range of approximately 6.8 to 8.2.
- Excellent buffering capacity in biological systems.
- Compatible with many enzymes and biological molecules.
- Non-toxic and relatively inert under standard experimental conditions.
- Suitable for cell culture media, electrophysiology, and protein assays.
Pros
- Provides reliable and consistent pH buffering in biological experiments.
- Minimal interference with biological processes due to its inertness.
- Useful across a broad temperature range and compatible with various assays.
- Enhances reproducibility of experiments through stable pH maintenance.
Cons
- Can be more expensive than simpler buffers like phosphate buffers.
- May require careful preparation to avoid contamination or microbial growth if not stored properly.
- Not suitable for extreme pH adjustments beyond its buffering capacity.