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D5751

Sigma-Aldrich

Blue Dextran

Void volume marker for gel filtration columns.

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Synonym(s):
Dextran blue from Leuconostoc mesenteroides
CAS Number:
MDL number:
NACRES:
NA.25

form

powder

quality

200

mol wt

2,000,000

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1 of 4

This Item
D47729047572762
vibrant-m

D5751

Blue Dextran

vibrant-m

D4772

Blue Dextran

vibrant-m

90475

Blue Dextran

vibrant-m

72762

Blue Dextran

form

powder

form

powder

form

powder

form

powder

quality

200

quality

-

quality

-

quality

-

mol wt

2,000,000

mol wt

~2,000,000

mol wt

average mol wt 10,000

mol wt

average mol wt 500,000

General description

Blue Dextran is a soluble derivative of dextran. Its structure includes triazinyl dye Cibacron blue F3GA covalently bound to high molecular weight (2000 kDa) dextran. Blue Dextran is generally used as a marker to determine void volume in gel filtration chromatography columns.

Application

Blue Dextran has been used for calibration of size exclusion chromatography (SEC) column. It has also been used in Dextran blue permeability assays to determine the integrity of co-cultures containing epithelial cells. Blue dextran may be used in affinity chromatography, gel filtration chromatography, protein chromatography, and molecular weight markers. Blue dextran is also suitable to study Alzheimer′s disease.

Preparation Note

Prepared from dextran with an average mol. wt. of 2,000,000.

Analysis Note

degree of substitution: 0.10 to 0.12 mmol Reactive Blue 2 per gram of dextran

replaced by

Product No.
Description
Pricing

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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