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
MES (Fine White Crystals), Fisher BioReagents
CAS: 145224-94-8 Formule moléculaire: C6H15NO5S Poids moléculaire (g/mol): 213.248 Clé InChI: MIIIXQJBDGSIKL-UHFFFAOYSA-N Synonyme: 2-(4-Morpholino)ethane Sulfonic Acid,2-(N-Morpholino)ethanesulfonic acid hydrate PubChem CID: 16218417 Nom de l’IUPAC: 2-morpholin-4-ylethanesulfonic acid;hydrate SOURIRES: C1COCCN1CCS(=O)(=O)O.O
TE Buffer, Tris-EDTA, 1X Solution, pH 8.0, Molecular Biology, Fisher BioReagents
Tris Base (White Crystals or Crystalline Powder/Triple-Crystallized), Fisher BioReagents™
For sensitive molecular biology, tissue culture, and electrophoresis methods | CAS: 77-86-1 | C4H11NO3 | 121.136 g/mol
Tris Base (White Crystals or Crystalline Powder/Molecular Biology), Fisher BioReagents™
CAS: 77-86-1 Formule moléculaire: C4H11NO3 Poids moléculaire (g/mol): 121.136 Clé InChI: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonyme: Trimethylol Aminomethane,Tris(hydroxymethyl)aminomethane,2-Amino-2-(hydroxymethyl)-1,3-propanediol,THAM,Tris base,Trometamol PubChem CID: 6503 ChEBI: CHEBI:9754 Nom de l’IUPAC: 2-amino-2-(hydroxymethyl)propane-1,3-diol SOURIRES: C(C(CO)(CO)N)O
HEPES (Fine White Crystals/Molecular Biology), Fisher BioReagents™
Commonly used buffering agent | CAS: 7365-45-9 | C8H18N2O4S | 238.30 g/mol
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.
Tris (Tromethamine) (Granular/USP), Fisher Chemical™
CAS: 77-86-1 Formule moléculaire: C4H11NO3 Poids moléculaire (g/mol): 121.136 Numéro MDL: MFCD00004679 Clé InChI: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonyme: Trishydroxymethylaminomethane,Tris Buffer,Tris,THAM,Trizma™,2-Amino-2-(hydroxymethyl)-1,3-propanediol,Tris base,Tris(hydroxymethyl)aminomethane,Trometamol PubChem CID: 6503 ChEBI: CHEBI:9754 Nom de l’IUPAC: 2-amino-2-(hydroxymethyl)propane-1,3-diol SOURIRES: C(C(CO)(CO)N)O
TBE Buffer, Tris-Borate-EDTA, 10X Solution, Electrophoresis, Fisher BioReagents™
CAS: 10043-35-3 Synonyme: TBE
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
Corning™ Cell Culture Phosphate Buffered Saline (1X)
With low endotoxin content. Without calcium and magnesium.
Corning™ Cell Culture Buffers: Dulbecco's Phosphate-Buffered Salt Solution 1X
With low endotoxin content.
