TBE Buffer (5X)

For Agarose Gel Electrophoresis (AGE), 500 mL
SKU: 01-871-1A

Availability: In stock

$43.00

Description

Details

Product Overview:

TBE Buffer (5X) is a solution used in Agarose Gel Electrophoresis (AGE) typically for the separation of nucleic acids (i.e. DNA and RNA). Tris-Borate-EDTA (TBE) is not only used in nucleic acid agarose and polyacrylamide gel electrophoresis but also in agarose and polyacrylamide gel preparation. DNA mobility on AGE is known to depend on the composition and strength of electrode buffer as well as the agarose concentrations. Although the DNA fragments were generally believed to migrate faster in TAE than in TBE, under some circumstances and paradoxically this was not always the case. The higher mobility of small fragments in TBE may be attributed to the formation of non-specific, highly charged deoxyribose-borate complexes. The resolution of supercoiled DNA is better in TAE than TBE but TAE's buffering capacity is rather low as it tends to become exhausted during successive electrophoresis.

TAE buffer is more useful for larger DNA fragments (<2.0kb) but TBE is more effective to obtain higher resolution of smaller DNA fragments (i.e. 300bp). Either buffer is adequate is applicable for middle-sized DNA fragments. TBE not only has a more stable and higher buffering capacity when compared to the more conventional TAE but also more advantageous for obtaining a higher resolution of smaller DNA fragments on agarose gels

Specifications

Specifications

QTY 500 mL
Storage Conditions AMB
Shipping Conditions Room Temperature
Instructions for Use 1. Take a bottle of TBE Electrophoresis Buffer (5X) from specified storage conditions at 15-30°C and read the label. 2. Ensure that the cap of the bottle is tight. 3. Gently swirl the solution in the bottle to ensure homogeneity. 4. Wipe the outside of the bottle with a disinfectant solution such as 70% ethanol. 5. Using aseptic/sterile technique under a laminar-flow culture hood and work according to established protocols. 6. The TBE Electrophoresis Buffer Concentrate should be diluted to a working concentration of 1X before use. 8. For each Electrophoresis, use fresh TBE Buffer at the working concentration of 1X.

Documentation

Materials Safety Data Sheet

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