What is hepes buffer?

HEPES (4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid) buffer is a zwitterionic organic compound commonly used in biological and biochemical research as a buffering agent. It is often used in cell culture experiments and molecular biology techniques due to its ability to maintain a stable pH level.

Some key points about HEPES buffer include:

  1. pH Range: HEPES buffer is effective at maintaining a pH range of 6.8 to 8.2, making it suitable for a wide range of biological applications.

  2. Stability: HEPES buffer is highly stable and does not interfere with enzymatic reactions or other biological processes, making it a popular choice for experiments that require precise pH control.

  3. Minimal toxicity: HEPES buffer is considered to be non-toxic to cells and tissues, making it safe for use in cell culture experiments.

  4. Solubility: HEPES is highly soluble in water, which makes it easy to prepare stock solutions at various concentrations.

Overall, HEPES buffer is a versatile and reliable option for researchers looking to maintain a stable pH environment in a variety of biological experiments.