2-Nitrophenyl-ß-D-galactopyranoside 25 g

  • N° CAS : 369-07-3
Reference :
O1409.0025
Marque :
Autre(s) conditionnement(s)
Description

ONPG is a colorimetric and spectrophotometric substrate for detection of ß-galactosidase activity. ONPG is cleaved by ß-galactosidase via hydrolysis at the ß-1-4-glycosidic bond be-tween 2-nitrophenol and galactose. The released 2-nitro-p-henol is measured spectrophotometrically at 405 nm. The absorbance intensity at this wave-length is directly related to the specific activity.

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