Biological Buffers

Thermo Scientific™ 6X DNA Loading Dye

Prepare DNA markers and samples for loading on agarose or polyacrylamide gels with Thermo Scientificâ„¢ 6X DNA Loading Dye.

Thermo Scientific™ Pierce™ LDS 4X Nonreducing Sample Buffer

Nonreducing lithium dodecyl sulfate sample loading buffer, a unique alternative to homemade and other commercial gel-loading dyes.

Thermo Scientific™ Blocker™ BLOTTO Blocking Buffer

Block membranes, plates and other samples with this ready-to-use 5% solution of nonfat powdered milk in TBS for Western blot, ELISA and other detection methods.

Thermo Scientific™ Restore™ Plus Western Blot Stripping Buffer

Remove high-affinity antibodies from membranes so they can be reprobed and detected with chemiluminescent substrates.

HEPES (Fine White Crystals/Molecular Biology), Fisher BioReagents

CAS: 7365-45-9 Molecular Formula: C8H18N2O4S Molecular Weight (g/mol): 238.302 InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N Synonym: N-(2-Hydroxyethyl)piperazine-N«-2-ethanesulfonic Acid PubChem CID: 23831 ChEBI: CHEBI:42334 IUPAC Name: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid SMILES: C1CN(CCN1CCO)CCS(=O)(=O)O

Thermo Scientific™ Pierce™ Protein-Free Blocking Buffers

Block membranes, plates and other samples with these ready-to-use PBS and TBS formulations of a non-protein compound to yield extremely low background.

Thermo Scientific™ Pierce™ Binding and Elution Buffers for IgG Purification

Ensure high-yield, nondenaturing antibody purification using IgG affinity purification supports with these gentle buffer solutions.

MES sodium salt, 99%, ACROS Organics™

CAS: 71119-23-8 Molecular Formula: C6H12NNaO4S Molecular Weight (g/mol): 217.215 MDL Number: MFCD00065473 InChI Key: IRHWMYKYLWNHTL-UHFFFAOYSA-M PubChem CID: 23673676 ChEBI: CHEBI:62955 IUPAC Name: sodium;2-morpholin-4-ylethanesulfonate SMILES: C1COCCN1CCS(=O)(=O)[O-].[Na+]

Laemmli SDS Sample Buffer, non-reducing, 4X

For protein sample preparation to be used in the Laemmli SDS-PAGE system

Alfa Aesar™ HEPES, 1.0M buffer soln., pH 7.0

CAS: 7365-45-9 Molecular Formula: C8H18N2O4S Molecular Weight (g/mol): 238.302 MDL Number: MFCD00006158 InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N PubChem CID: 23831 ChEBI: CHEBI:42334 IUPAC Name: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid SMILES: C1CN(CCN1CCO)CCS(=O)(=O)O

Alfa Aesar™ Tricine, 98+%

CAS: 5704-04-1 Molecular Formula: C6H13NO5 Molecular Weight (g/mol): 179.17 MDL Number: MFCD00004277 InChI Key: SEQKRHFRPICQDD-UHFFFAOYSA-N Synonym: N-(Trishydroxymethylmethyl)glycine PubChem CID: 79784 ChEBI: CHEBI:39063 IUPAC Name: 2-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]acetic acid SMILES: C(C(=O)O)NC(CO)(CO)CO

Thermo Scientific™ Blocker™ Casein Blocking Buffers

Block membranes, plates and other samples with these ready-to-use PBS or TBS solutions of purified casein for Western blot, ELISA and other detection methods.

Thermo Scientific™ Pierce™ Clear Milk Blocking Buffer

Thermo Scientific™ Pierce Clear Milk Blocking Buffer is a long shelf-life, high performance replacement for homemade milk blocking buffers in Western blotting applications.

Alfa Aesar™ ADA, 0.2M buffer soln., pH 7.5

CAS: 7415-22-7 Molecular Formula: C6H9N2NaO5 Molecular Weight (g/mol): 212.137 MDL Number: MFCD00065483 InChI Key: QCGKKVWCABJQQI-UHFFFAOYSA-M PubChem CID: 23679048 IUPAC Name: sodium;2-[(2-amino-2-oxoethyl)-(carboxymethyl)amino]acetate SMILES: C(C(=O)N)N(CC(=O)O)CC(=O)[O-].[Na+]

Alfa Aesar™ MES, 0.5M buffer soln., pH 5.0

CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 MDL Number: MFCD00283848 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O

Alfa Aesar™ ACES, 0.5M buffer soln., pH 7.0

CAS: 7365-82-4 Molecular Formula: C4H10N2O4S Molecular Weight (g/mol): 182.194 MDL Number: MFCD00008030 InChI Key: DBXNUXBLKRLWFA-UHFFFAOYSA-N PubChem CID: 81832 ChEBI: CHEBI:39062 IUPAC Name: 2-[(2-amino-2-oxoethyl)amino]ethanesulfonic acid SMILES: C(CS(=O)(=O)O)NCC(=O)N

Alfa Aesar™ BICINE, 0.5M buffer soln., pH 8.0

CAS: 150-25-4 Molecular Formula: C6H13NO4 Molecular Weight (g/mol): 163.173 MDL Number: MFCD00004295 InChI Key: FSVCELGFZIQNCK-UHFFFAOYSA-N PubChem CID: 8761 ChEBI: CHEBI:40957 IUPAC Name: 2-[bis(2-hydroxyethyl)amino]acetic acid SMILES: C(CO)N(CCO)CC(=O)O

Thermo Scientific™ SuperBlock™ Blocking Buffers

Block membranes, plates and tissue samples with these optimized solutions containing a protein that provides fast and effective blocking for Western blot, ELISA and IHC.

Thermo Scientific™ Restore™ Western Blot Stripping Buffer

Safely and effectively remove primary and secondary antibodies from nitrocellulose and PVDF membranes to allow chemiluminescent Western blots to be reprobed.

Alfa Aesar™ HEPES, 0.5M buffer soln., pH 7.0

CAS: 7365-45-9 Molecular Formula: C8H18N2O4S Molecular Weight (g/mol): 238.302 MDL Number: MFCD00006158 InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N PubChem CID: 23831 ChEBI: CHEBI:42334 IUPAC Name: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid SMILES: C1CN(CCN1CCO)CCS(=O)(=O)O

PIPES, disodium salt, 99%, ACROS Organics™

CAS: 76836-02-7 Molecular Formula: C8H16N2Na2O6S2 Molecular Weight (g/mol): 346.324 InChI Key: GMHSTJRPSVFLMT-UHFFFAOYSA-L Synonym: 1, 4-Piperazinediethanesulfonic acid disodium salt PubChem CID: 173553 ChEBI: CHEBI:63055 IUPAC Name: disodium;2-[4-(2-sulfonatoethyl)piperazin-1-yl]ethanesulfonate SMILES: C1CN(CCN1CCS(=O)(=O)[O-])CCS(=O)(=O)[O-].[Na+].[Na+]

Alfa Aesar™ HEPES hemisodium salt

CAS: 103404-87-1 Molecular Formula: C8H17N2NaO4S Molecular Weight (g/mol): 260.284 MDL Number: MFCD00036463 InChI Key: RDZTWEVXRGYCFV-UHFFFAOYSA-M Synonym: 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid sodium salt PubChem CID: 2724248 ChEBI: CHEBI:46758 IUPAC Name: sodium;2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonate SMILES: C1CN(CCN1CCO)CCS(=O)(=O)[O-].[Na+]

Alfa Aesar™ MOPS, 1.0M buffer soln., pH 7.0

CAS: 1132-61-2 Molecular Formula: C7H15NO4S Molecular Weight (g/mol): 209.26 MDL Number: MFCD00006183 InChI Key: DVLFYONBTKHTER-UHFFFAOYSA-N PubChem CID: 70807 ChEBI: CHEBI:44115 IUPAC Name: 3-morpholin-4-ylpropane-1-sulfonic acid SMILES: C1COCCN1CCCS(=O)(=O)O

Alfa Aesar™ MES, 1.0M buffer soln., pH 9.0

CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 MDL Number: MFCD00283848 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O

Alfa Aesar™ MOPS, 1.0M buffer soln., pH 6.5

CAS: 1132-61-2 Molecular Formula: C7H15NO4S Molecular Weight (g/mol): 209.26 MDL Number: MFCD00006183 InChI Key: DVLFYONBTKHTER-UHFFFAOYSA-N PubChem CID: 70807 ChEBI: CHEBI:44115 IUPAC Name: 3-morpholin-4-ylpropane-1-sulfonic acid SMILES: C1COCCN1CCCS(=O)(=O)O

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