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
Tris Hydrochloride (Small White Flakes/Molecular Biology), Fisher BioReagents
CAS: 1185-53-1 Formule moléculaire: C4H12ClNO3 Poids moléculaire (g/mol): 157.594 Clé InChI: QKNYBSVHEMOAJP-UHFFFAOYSA-N Synonyme: Tris(hydroxymethyl)aminomethane Hydrochloride CID PubChem: 93573 Nom IUPAC: 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride SMILES: C(C(CO)(CO)N)O.Cl
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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!
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TBE Buffer, Tris-Borate-EDTA, 10X Solution, Electrophoresis, Fisher BioReagents™
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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
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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 CID PubChem: 6503 ChEBI: CHEBI:9754 Nom IUPAC: 2-amino-2-(hydroxymethyl)propane-1,3-diol SMILES: C(C(CO)(CO)N)O
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Bicine, Fisher BioReagents
CAS: 150-25-4 Formule moléculaire: C6H12NNaO4 Poids moléculaire (g/mol): 185.16 Numéro MDL: MFCD00004295 Clé InChI: MFBDBXAVPLFMNJ-UHFFFAOYSA-M Synonyme: N, N-bis [2-hydroxyethyl]glycine CID PubChem: 8761 ChEBI: CHEBI:40957 Nom IUPAC: 2-[bis(2-hydroxyethyl)amino]acetic acid SMILES: [Na+].OCCN(CCO)CC([O-])=O
Bis-Tris, Fisher BioReagents
CAS: 6976-37-0 Formule moléculaire: C8H19NO5 Poids moléculaire (g/mol): 209.242 Clé InChI: OWMVSZAMULFTJU-UHFFFAOYSA-N Synonyme: 2,2-Bis(hydroxymethyl)-2,2?,2?-nitrilotriethanol,2, 2-Bis(hydroxymethyl)-2, 2?,Bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane CID PubChem: 81462 ChEBI: CHEBI:41250 Nom IUPAC: 2-[bis(2-hydroxyethyl)amino]-2-(hydroxymethyl)propane-1,3-diol SMILES: C(CO)N(CCO)C(CO)(CO)CO
CAPS (Fine White Crystals), Fisher BioReagents
CAS: 1135-40-6 Formule moléculaire: C9H19NO3S Poids moléculaire (g/mol): 221.32 Numéro MDL: MFCD00003837 Clé InChI: PJWWRFATQTVXHA-UHFFFAOYSA-N Synonyme: 3-Cyclohexylamino-1-propanesulfonic Acid CID PubChem: 70815 Nom IUPAC: 3-(cyclohexylamino)propane-1-sulfonic acid SMILES: OS(=O)(=O)CCCNC1CCCCC1
TES (White Crystals), Fisher BioReagents
CAS: 7365-44-8 Formule moléculaire: C6H15NO6S Poids moléculaire (g/mol): 229.247 Clé InChI: JOCBASBOOFNAJA-UHFFFAOYSA-N Synonyme: N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic Acid CID PubChem: 81831 ChEBI: CHEBI:44356 Nom IUPAC: 2-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]ethanesulfonic acid SMILES: C(CS(=O)(=O)O)NC(CO)(CO)CO
HEPES Sodium Salt (White Powder), Fisher BioReagents
CAS: 75277-39-3 Formule moléculaire: C8H17N2NaO4S Poids moléculaire (g/mol): 260.28 Numéro MDL: MFCD00036463 Clé InChI: RDZTWEVXRGYCFV-UHFFFAOYSA-M CID PubChem: 2724248 ChEBI: CHEBI:46758 Nom IUPAC: sodium 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonate SMILES: [Na+].OCCN1CCN(CCS([O-])(=O)=O)CC1
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 CID PubChem: 16218417 Nom IUPAC: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O
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ACES (Fine White Crystals), Fisher BioReagents
CAS: 7365-82-4 Formule moléculaire: C4H10N2O4S Poids moléculaire (g/mol): 182.194 Clé InChI: DBXNUXBLKRLWFA-UHFFFAOYSA-N Synonyme: N-(2-Acetamido)-2-aminomethane Sulfonic Acid CID PubChem: 81832 ChEBI: CHEBI:39062 Nom IUPAC: 2-[(2-amino-2-oxoethyl)amino]ethanesulfonic acid SMILES: C(CS(=O)(=O)O)NCC(=O)N
PBS, Phosphate Buffered Saline, 10X Solution, Fisher BioReagents™
Commonly used buffer
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HEPES (Fine White Crystals/Molecular Biology), Fisher BioReagents™
Commonly used buffering agent
MOPS (Fine White Crystals/Molecular Biology), Fisher BioReagents™
CAS: 1132-61-2 Formule moléculaire: C7H15NO4S Poids moléculaire (g/mol): 209.26 Numéro MDL: MFCD00006183 Clé InChI: DVLFYONBTKHTER-UHFFFAOYSA-N Synonyme: 3-(4-Morpholino)propane sulfonic acid CID PubChem: 70807 ChEBI: CHEBI:44115 Nom IUPAC: 3-morpholin-4-ylpropane-1-sulfonic acid SMILES: [O-]S(=O)(=O)CCC[NH+]1CCOCC1
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PBS, Phosphate Buffered Saline, 1X Powder, pH 7.4, Fisher BioReagents
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PBS, Phosphate Buffered Saline, 1X Solution, pH 7.4, Fisher BioReagents™
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HEPES Buffer, 1M Solution, pH 7.3 (Molecular Biology), Fisher BioReagents™
Commonly used buffering agent
Tris Hydrochloride, 1M Solution (pH 7.0/Mol. Biol.), Fisher BioReagents™
CAS: 77-86-1 Formule moléculaire: C4H11NO3 Poids moléculaire (g/mol): 121.136 Clé InChI: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonyme: Tris-HCl CID PubChem: 6503 ChEBI: CHEBI:9754 Nom IUPAC: 2-amino-2-(hydroxymethyl)propane-1,3-diol SMILES: C(C(CO)(CO)N)O
Tris Hydrochloride, 1M Solution (pH 7.5/Mol. Biol.), Fisher BioReagents™
CAS: 77-86-1 Formule moléculaire: C4H11NO3 Poids moléculaire (g/mol): 121.136 Clé InChI: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonyme: Tris-HCl CID PubChem: 6503 ChEBI: CHEBI:9754 Nom IUPAC: 2-amino-2-(hydroxymethyl)propane-1,3-diol SMILES: C(C(CO)(CO)N)O
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Tris Hydrochloride, 1M Solution (pH 8.0/Mol. Biol.), Fisher BioReagents™
CAS: 77-86-1 Formule moléculaire: C4H11NO3 Poids moléculaire (g/mol): 121.136 Clé InChI: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonyme: Tris-HCl CID PubChem: 6503 ChEBI: CHEBI:9754 Nom IUPAC: 2-amino-2-(hydroxymethyl)propane-1,3-diol SMILES: C(C(CO)(CO)N)O
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