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G7654

Sigma-Aldrich

Gel Loading Solution

for NA electrophoresis, solution

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NACRES:
NA.25

grade

for molecular biology

Quality Level

form

solution

concentration

6 ×

storage temp.

2-8°C

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This Item
G2526R1386R4268
Sigma-Aldrich

Sigma-Aldrich

G7654

Gel Loading Solution

Gel Loading Buffer for NA electrophoresis

Sigma-Aldrich

G2526

Gel Loading Buffer

form

solution

form

liquid

form

solution

form

liquid

concentration

6 ×

concentration

-

concentration

-

concentration

1.25 ×

storage temp.

2-8°C

storage temp.

room temp

storage temp.

−20°C

storage temp.

−20°C

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

General description

Gel loading solution is used as a tracking dye during electrophoresis. The dyes have a slight negative charge and will migrate the same direction as DNA, allowing the user to monitor the progress of molecules moving through the gel. The rate of migration varies with gel composition. Dilute 1:6 with sample before loading.

Application

Suitable for use with agarose or non-denaturing polyacrylamide gel electrophoresis (PAGE), which may be part of Northern and Southern blot hybridization procedures.

Components

Gel loading buffer contains 0.25% bromophenol blue, 0.25% xylene cyanol, and 40% sucrose.

Other Notes

Band migration can be expected as follows:
On polyacrylamide gels, xylene cyanole comigrates with approximately 450-460 bp DNA, while bromophenol blue comigrates with 15-100 bp DNA. On 0.5 – 1.4% agarose gels, xylene cyanole comigrates with 4 kb dsDNA, while bromophenol blue comigrates with 300 bp dsDNA.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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