Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai
Patent
1989-12-27
1992-06-30
Brown, Johnnie R.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Carbohydrate doai
536 172, 536 174, 536 181, 536118, C07H 504, C07H 520
Patent
active
051263297
ABSTRACT:
Novel phenylazonaphthol derivatives, e.g., 4-(4'-nitro-2'-sulfophenylazo)-1-naphthyl-N-acetyl-.beta.-D-glucosaminide sodium salt, are excellent substrates for determining N-acetyl-.beta.-D-glucosaminidase (NAG) activity in urine collected from the patient with renal disorders. The substrate has high water solubility, is not affected by interferences in urine and provides a simple method for determination of NAG activity which is suited for both rate and endpoint assays.
Nagasawa Takeshi
Nakamura Yoshio
Tani Kenji
Brown Johnnie R.
Nitto Boseki Co. Ltd.
Rahman Aleya
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