buffers

Resisting pH changes, buffers protect samples when acids or alkali is added. Powder and liquid forms efficiently track proteins during electrophoresis isolation and separation. The salty buffers can also be used to calibrate and standardize pH meters for accurate readings. Blocking substances stop antibody attachment to membrane free sites that would produce an interfering background. In various concentrations to fit any need, the buffers may come in liquids or dehydrated formats.

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Buffer, TRIS-glycine solution 10X concentrate (TG buffer), Sigma-Aldrich®

Supplier: Merck

Electrophoresis, Transfer buffer, TRIS-glycine buffer solution 10X concentrate (TG buffer)

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Buffer, sodium acetate buffer solution pH 5,2 (3 mol/L), Sigma-Aldrich®

Supplier: Merck

Cloning Buffer, Sodium acetate buffer solution pH 5,2 (3 mol/l)

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Buffer, PBS solution 10X concentrate (phosphate buffered saline), Sigma-Aldrich®

Supplier: Merck

Washing buffer, PBS buffer solution 10X concentrate (phosphate buffered saline)

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Buffer, TAE solution 10X concentrate (TRIS-acetate-EDTA buffer), Sigma-Aldrich®

Supplier: Merck

Running Buffer, TAE buffer solution 10X concentrate (TRIS-acetate-EDTA buffer)

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Buffer, SSC solution 20X concentrate (saline-sodium citrate), Sigma-Aldrich®

Supplier: Merck

Hybridisation Buffer, SSC buffer solution 20X concentrate (saline-sodium citrate)

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Buffer, TBE solution 10X concentrate (TRIS-borate-EDTA buffer), Sigma-Aldrich®

Supplier: Merck

Running Buffer, TBE buffer solution 10X concentrate (TRIS-borate-EDTA buffer)

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Buffer, TAE solution 10X concentrate (TRIS-acetate-EDTA buffer), Sigma-Aldrich®

Supplier: Merck

Running Buffer, TAE buffer solution 10X concentrate (TRIS-acetate-EDTA buffer)

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Buffer, HEPES solution (1 mol/L), Sigma-Aldrich®

Supplier: Merck

HEPES buffer solution (1 mol/l)

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10% SDS (Sodium Dodecyl Sulfate), Corning®

Supplier: Corning

Sodium Dodecyl Sulfate (SDS) is an anionic detergent with applications in SDS-PAGE protein analysis and nucleic acid purification. It is a wetting agent that is effective in both acid and alkaline solutions, and is most often used as a protein and lipid solubilization reagent. SDS is also a powerful protein denaturant. This 10% solution is prepared in 18 megaohm water and is 0.2µm filtered.

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Protein extraction reagents, BugBuster® and BugBuster® plus Benzonase®, Millipore®

Supplier: Merck Millipore (Novagen)

BugBuster® Protein Extraction reagent is formulated for the gentle disruption of the cell wall of E. coli, liberating soluble protein. It provides a simple, rapid, low-cost alternative to mechanical methods such as French Press or sonication for releasing expressed target protein in preparation for purification or other applications. The formulation utilises a detergent mix that is capable of cell wall perforation without denaturing soluble protein.

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Tris Buffered Saline, 10X concentrate solution, Sigma-Aldrich®

Supplier: Merck

Washing buffer for alkaline phosphatase or peroxidase conjugates in Western blotting.

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G-Biosciences Antigen Retrieval Solution, Citrate (pH 6,0) (50X)

Supplier: G-Biosciences

Solution developed to unmask antigens in paraffin embedded tissue sections.

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EDTA, 0.5M pH 8.0, Corning®

Supplier: Corning

EDTA (ethylenediaminetetraacetic acid) is a polyamino carboxylic acid. It is a colorless, water-soluble solid and is useful as a chelating agent due to its ability to "sequester" metal ions such as Ca2+ and Fe3+. These cations are responsible for various undesirable effects in molecular biological and cell culture processes. After being bound by EDTA, these metal ions remain in the solution but exhibit diminished reactivity. The use of EDTA therefore allows for greater control over many experiments.

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Buffer, TRIS-tricine-SDS solution 10X concentrate, Sigma-Aldrich®

Supplier: Merck

Running Buffer, TRIS-tricine-SDS buffer solution 10X concentrate

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ISE sample conditioning buffers and solutions

Supplier: WTW

Ion strength adjustment solutions have multiple tasks: TISAB for fluoride measurements does not only adjust the pH value, by also decomplexes the fluoride-containing complex compounds. Other ion strength adjustment solutions ensure an adapted pH value as well as the addition of a suitable conducting salt to correctly capture the concentration.