Life Science Buffers
Life Science Buffers
Balanced salt solutions and powders used for molecular, protein, nucleic acid, and cell biology applications including cell culture, electrophoresis, ELISA, and chromatography processes; available in a variety of formulations and grades.
Buffer solutions serve to keep pH (acidity or alkalinity) nearly constant in a variety of chemical and biological applications. For example, a bicarbonate buffer helps maintain the pH of blood, a buffered saline maintains cellular contents at a consistent pH level, and buffers help maintain a narrow pH range for enzymes to function correctly.
Most biological samples used in research are kept at a pH of about 7.4. Common biological buffers used for tissue culture include Dulbeccos phosphate buffered saline (PBS), Tris base, HEPES, MOPS, PIPES, and other formulations developed for specific cell lines or applications. Most buffers used in cell culture are also DNase-, RNase-, and protease-free.
The choice of buffer for a particular biological reaction or site depends on several factors:
- Temperature
- Desired or target pH
- Buffer toxicity (to the system)
- Buffer interactions with other system components
Fisher Bioreagents PBS, Phosphate Buffered Saline, 10X Solution, Fisher BioReagents™
Commonly used buffer
Fisher Bioreagents PBS Tablets, Phosphate Buffered Saline, Fisher BioReagents™
Phosphate Buffered Saline Tablets, CAS Number-7647-14-5, 7447-40-7, 100 tablets, Clear, Gray, White, 5/8 in., 600 SEC max., CAUTION!
Fisher Bioreagents Phosphate Buffered Saline (PBS), 10X Powder, pH 7.4, Fisher BioReagents™
Phosphate Buffered Saline (PBS), 10X Powder provides a convenient way to make 1 L of 10X stock PBS solution.
Fisher Bioreagents Tris Base (White Crystals or Crystalline Powder/Molecular Biology), Fisher BioReagents™
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonym: Trimethylol Aminomethane,Tris(hydroxymethyl)aminomethane,2-Amino-2-(hydroxymethyl)-1,3-propanediol,THAM,Tris base,Trometamol PubChem CID: 6503 ChEBI: CHEBI:9754 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol SMILES: C(C(CO)(CO)N)O
Corning™ Phosphate Buffered Saline, 1X
Used alone or in combination with other agents for washing tissues and cells.
Thermo Scientific™ Pierce™ Concentrated Buffer Stocks (10X and 20X)
Save time using Pierce Concentrated Buffer stock solutions (10X and 20X) with simple dilutions to expedite your experiment without sacrificing quality or consistency.
Fisher Bioreagents TAE Buffer, Tris-Acetate-EDTA, 50X Solution, Electrophoresis, Fisher BioReagents™
Tris-Acetate-EDTA, CAS Number-77-86-1, 60-00-4, 6850-28-8, TAE, 4L, Gray, Tris (24%), Acetic Acid (5.0%), and EDTA (<2%)., DNase free, Pass Test, Filtered through a 0.2-micron filter., Electrophoresis, 50X Solution, Poly CUBE, Liquid, Protease free, DNase-, RNase- and Protease-Free, RT
Thermo Scientific Tris-HCl, 1M Solution, pH 8.0, Molecular Biology Grade, Ultrapure
CAS: 1185-53-1 Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N PubChem CID: 93573 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride SMILES: C(C(CO)(CO)N)O.Cl
Fisher Bioreagents HEPES Buffer, 1M Solution, pH 7.3 (Molecular Biology), Fisher BioReagents™
Commonly used buffering agent
Thermo Scientific Chemicals HEPES, 1.0M buffer soln., pH 7.5
CAS: 7365-45-9 Molecular Formula: C8H18N2O4S Molecular Weight (g/mol): 238.30 MDL Number: MFCD00006158 InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N PubChem CID: 23831 ChEBI: CHEBI:42334 SMILES: OCCN1CCN(CCS(O)(=O)=O)CC1
Fisher Chemical Tris(Hydroxymethyl) Methylamine, 'Tris Buffer', 99+%, Extra Pure, SLR, Fisher Chemical™
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 MDL Number: 4679 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N PubChem CID: 6503 ChEBI: CHEBI:9754 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol SMILES: C(C(CO)(CO)N)O