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Soluble Chromogenic Substrates for the Assay of endo-1,4-beta-xylanases and endo-1,4-beta-glucanases

Soluble Chromogenic Substrates for the Assay of endo-1,4-beta-xylanases and endo-1,4-beta-glucanases

P Biely, D Mislovicová, R Toman

Anal Biochem. 1985 Jan;144(1):142-6.

PMID: 3838626

Abstract:

New soluble chromogenic substrates were prepared for specific and rapid assays of endo-1,4-beta-xylanases and endo-1,4-beta-glucanases. A soluble beechwood 4-O-methyl-D-glucurono-D-xylan was dyed with Remazol brilliant blue R, and hydroxyethylcellulose was coupled to Ostazin brilliant red H-3B. The assays are based on photometric measurements of the enzyme-released dyed fragments soluble in the presence of organic solvents which precipitate the original substrates and their high-molecular-weight fractions. The assays are advantageous for rapid analyses of large amount of samples and also permit evaluation of the activities of both enzymes in the presence of exo-beta-glycanases and beta-glycosidases, at a high level of reducing compounds and viable cells, on the cell surface and on cell membranes and organelles.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR42416024	4-O-Methyl-D-glucurono-D-xylan dyed with Remazol brilliant blue R			Price
LS7413134	Remazol Brilliant Blue R−D-Xylan			Price

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