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Buffers

Buffers

Buffers maintain their pH when small amounts of strong acids or bases are added. In biology, buffer solutions are used to provide a constant pH environment for biochemical processes. The pH often changes the environments of tissues and cells and can alter the activity of biomolecules. Buffers maintain the correct pH for proteins and oligonucleotides, and are especially important for techniques like electrophoresis.

Commonly used buffers in life science research share some of these characteristics:

  • A pKa value between 6.0 and 8.0
  • High water solubility
  • Minimal changes due to temperature and concentration
  • Limited effects due to ionic or salt composition of the solution

Browse our comprehensive selection of buffers including common buffers tris(hydroxymethyl)aminomethane (tris) and 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES).

112 Results Found

Potassium Chloride

Potassium Chloride

Sodium Phosphate Dibasic

Sodium Phosphate Dibasic

Sodium Phosphate Monobasic

Sodium Phosphate Monobasic

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Potassium Chloride

Potassium Chloride

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Magnesium Chloride Hexahydrate

Magnesium Chloride Hexahydrate

Magnesium Sulfate Heptahydrate

Magnesium Sulfate Heptahydrate