BIS-TRIS Buffer
التطبيقات:
وسائط ثقافة الخلية | اللوني | الكهربائي | تنقية البروتينAssay (titr.): ≥ 99% | CAS No: 6976-37-0 | Useful pH range: 5.8 – 7.2
Hopax is a manufacturer and supplier of BIS-TRIS (CAS 6976-37-0), a zwitterionic biological buffer often used as a buffering agent in biological and biochemical research.
Uses of BIS-TRIS Buffer:
- BIS-TRIS is a popular gel, sample and running buffer for various types of electrophoresis. For instance, it has been used with ACES Buffer as a running buffer for gel electrophoresis (BIS-TRIS/ACES).
- Its use has also been reported in anion exchange chromatography, NMR spectroscopy and x-ray crystallography.
- This Good's Buffer is considered an excellent substitute for the highly toxic buffer cacodylate.
Concerns:
- It is not suitable for use with the Bicinchoninic Acid (BCA) Assay.
- It interacts with human liver fatty acid binding protein (FAB) and affects protein dynamics.
Metal binding: (Compare with other buffers)
Strong interaction with: |
Cu and Pb |
Weak interaction with: |
Mg, Ca, Mn, Co, Ni, Zn and Cd |
Solubility in water: (Compare with other buffers)
- 20g/100ml
Storage:
- Store at room temperature
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Specifications:
Assay (titr.) |
≥ 99% |
Useful pH range |
5.8 – 7.2 |
pKa (25°C) |
6.3 – 6.7 |
Appearance |
White powder |
Molecular formula |
C8H19NO5 |
Molecular weight |
209.2 g/mol
|
pH (1% in H2O) |
8.8 – 9.8
|
IR |
In conformance with known standard
|
UV (0.1M in H2O)A280nm |
≦ 0.04
|
UV (0.1M in H2O)A340nm |
≦ 0.02
|
Pb |
≦ 3 ppm
|
Fe |
≦ 3 ppm
|
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Synonyms / Similar names:
- 2,2-Bis(hydroxymethyl)-2,2′,2″-nitrilotriethanol
- 2-Bis(2-hydroxyethyl)amino-2-(hydroxymethyl)-1,3-propanediol
- Bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane
What we offer:
- Certificate of Analysis (CoA)
- Small and bulk quantities available in stock
- Analytical tests (DNase, RNase, protease activity, heavy metals and others upon request)
Lead time:
- 15 business days after order confirmation