Glucose Oxidase Type VII, Lyophilized Powder | ≥100,000 U/g | A. niger

Glucose Oxidase from Aspergillus niger TypeVII - 250,000 units

SKU: G2133-250KU
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Glucose Oxidase from Aspergillus niger
Type VII, lyophilized powder, ≥100,000 units/g solid (without added oxygen)
Synonym(s): β-D-Glucose:oxygen 1-oxidoreductase, G.Od., GOx

Glucose Oxidase (Type VII) from Aspergillus niger is a high-activity, lyophilized enzyme preparation widely used across food analysis, diagnostics, biosensor development, bioprocessing, and academic research. This preparation delivers ≥100,000 units/g solid (without added oxygen), providing strong performance for glucose quantification and coupled enzymatic assays.

The enzyme is a homodimer (~160 kDa) containing FAD as the essential cofactor for oxidation of β-D-glucose to D-glucono-β-lactone and hydrogen peroxide. With a pH optimum near 5.5 and a broad working range (pH 4–7), this preparation supports robust performance in a wide variety of analytical and manufacturing workflows.
Common applications include enzymatic glucose determination, biosensor fabrication, microfluidic devices, diagnostic assay manufacturing, and fuel-cell research. This material ships on wet ice and requires −20 °C storage.

Key Features
• High-activity Glucose Oxidase: ≥100,000 units/g solid
• Type VII, lyophilized powder for extended stability
• Derived from Aspergillus niger and suitable for research, diagnostics, and biosensors
• Broad working pH range (4–7) with pH optimum at 5.5
• Homodimeric enzyme containing FAD cofactor
• Supports glucose quantification, enzymatic assays, and electrochemical biosensors
• Shipped on wet ice; requires −20°C storage

Applications
• Enzymatic determination of D-glucose
• Diagnostic assay manufacturing
• Biosensor development (paper-based, microfluidic, electrochemical)
• Food and pharmaceutical analysis
• Enzymatic fuel-cell research
• Single-molecule and fluorescence-based studies

Storage & Handling
• Shipped in wet ice
• Store at −20°C
• Lyophilized powder containing phosphate buffer salts and NaCl

Notes
• May contain trace activities (amylase, maltase, glycogenase, invertase, galactose oxidase)
• Protein determined by biuret
• One unit oxidizes 1.0 μmol β-D-glucose per min at pH 5.1 and 35°C

Specifications
CAS Number: 9001-37-0
EC Number: 1.1.3.4 / 232-601-0
MDL Number: MFCD00063989
Form: Lyophilized powder
Type: Type VII
Specific Activity: ≥100,000 units/g solid (without added oxygen)
Molecular Weight: 160 kDa (dimer)
Isoelectric Point (pI): 4.2
Composition: Protein ≥60%; glycoprotein with ~16% neutral sugars and 2% amino sugars
Foreign Enzyme Activity: Catalase ≤10 Sigma units/mg protein
Applications: Diagnostic assay manufacturing; glucose quantification; biosensors; food/pharma analysis
Inhibitors: Ag+, Hg2+, Cu2+, phenylmercuric acetate, p-chloromercuribenzoate
Not Inhibited By: N-ethylmaleimide, iodoacetate, iodoacetamide
Shipment: Wet ice
Storage Temperature: −20°C
UNSPSC Code: 12352204
NACRES: NA.54
SMILES: O1[C@H]([C@@H]([C@H]([C@@H]([C@H]1CO)O)O)O)O
InChI: 1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3-,4+,5-,6-/m1/s1
InChI Key: WQZGKKKJIJFFOK-VFUOTHLCSA-N

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