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羅氏原料-11520857103/ CE,Ps.species,Lyo.,SQ
【產(chǎn)品簡介】
膽固醇酯酶 CE,Ps.species,Lyo.,SQ
【詳細(xì)說明】
Cholesterol Esterase
from Pseudomonas species, lyophilizate 11 520 857 103
Hydrolase that splits fatty acids from sterols.
Application
Use Cholesterol Esterase in diagnostic tests for the determination of choles-
terol in combination with Cholesterol Oxidase, Catalog Nos. 10 634 522 103, 10
129 054103 or 11 479 709 103.
Benefits
Take advantage of the enhanced purity of this enzyme.
Rely on the proven diagnostic quality of this product.
EC 3.1.1.13
Specification
Appearance: Brownish lyophilizate
Solubility: Clear, brown solution in water (c=50 mg/ml)
pH value (c=50 mg/ml in water): 7.0-8.0
Activity (+25°C, cholesterol oleate): ≥10 U/mg lyophilizate
Activity (+25°C, cholesterol oleate): ≥100 U/mg lyophilizate
Specific Activity: ≥100 U/mg protein
Protein (Biuret): No limit
Contaminants (expressed as percentage of Cholesterol Esterase activity):
ATPase: ≤0.005
Catalase: ≤1.00
Glycerokinase: ≤0.001
Glucose oxidase: ≤0.001
Hexokinase: ≤0.005
"NADH oxidase": ≤0.001
Uricase: ≤0.005
Stability: At +2 to +8°C within specification range for 12 months. Store dry.
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