Name: Cellulase Assay Kit (CellG5 Method)
SKU: 64f9305e138411001a30dea7
Availability: InStock

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Cellulase Assay Kit (CellG5 Method)

Cellulase Activity Assay Kit.

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Description

The CellG5 assay reagent for the measurement of endo-cellulase (endo-1,4-β-glucanase) contains two components;
1) 4,6-O-(3-Ketobutylidene)-4-nitrophenyl-β-D-cellopentaoside (BPNPG5) and 2) thermostable β-glucosidase. The ketone blocking group prevents any hydrolytic action by the β-glucosidase on BPNPG5. Incubation with an endo-cellulase generates a non-blocked colourimetric oligosaccharide that is rapidly hydrolysed by the ancillary β-glucosidase. The rate of formation of 4-nitrophenol is therefore directly related to the hydrolysis of BPNPG5 by the endo-cellulase. The reaction is terminated and the phenolate colour is developed on addition of Tris buffer solution (pH 9.0).
The CellG5 assay represents a huge step forward in the methodology for the measurement of cellulase that traditionally relied on substrates such as CM-cellulose, Avicel, cellooligosaccharides, filter paper or dyed polysaccharides including CMC Congo red or cellulose azure.

Content:	(K-CellG5-4V) 120 / 240 assays (manual) / 480 assays (auto-analyser)
Shipping Temperature:	Ambient
Storage Temperature:	Short term stability: 2-8^oC, Long term stability: See individual component labels
Stability:	> 2 years under recommended storage conditions

Analyte:	endo-Cellulase
Assay Format:	Spectrophotometer, Auto-analyser
Detection Method:	Absorbance
Wavelength (nm):	400
Signal Response:	Increase
Limit of Detection:	1.2 x 10^-3 U/mL
Reproducibility (%):	~ 3%
Total Assay Time:	10 min
Application examples:	Fermentation broths, industrial enzyme preparations and biofuels research.
Method recognition:	*Novel method*