Glucose Oxidase Type X-S | Lyophilized Powder | 100k–250k U/g | A. niger
Glucose Oxidase from Aspergillus niger Type X-S - 250,000 units
Glucose Oxidase Type X-S | Lyophilized Powder | 100k–250k U/g | A. niger
Glucose Oxidase from Aspergillus niger Type X-S - 250,000 units

Glucose Oxidase from Aspergillus niger Type X-S - 250,000 units

SKU: G7141-250KU
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Glucose Oxidase from Aspergillus niger
Type X-S, lyophilized powder, 100,000-250,000 units/g solid (without added oxygen)

Synonym(s): β-D-Glucose:oxygen 1-oxidoreductase, G.Od., GOx

General description

Glucose Oxidase (Type X-S) from Aspergillus niger is a high-purity, lyophilized enzyme preparation delivering 100,000–250,000 units/g solid (without added oxygen). This FAD-dependent oxidase is a homodimer (~160 kDa) widely used in glucose assays, biosensors, fuel-cell development, food analysis, oxidative stress models, pharmaceutical workflows, and diagnostic assay manufacturing.

The enzyme selectively oxidizes β-D-glucose to D-glucono-β-lactone and hydrogen peroxide. With a pH optimum of 5.5 and a broad operating range (pH 4–7), this preparation performs effectively across analytical, industrial, and electrochemical environments. The material is shipped on wet ice and requires −20 °C storage.
This Type X-S material is designated a Greener Alternative Product, supporting waste prevention and energy efficiency principles when used in fuel-cell and biosensor research.

Key Features
• High-activity Glucose Oxidase (Type X-S): 100,000–250,000 units/g
• Lyophilized powder for stability and ease of handling
• Derived from Aspergillus niger; FAD-dependent oxidoreductase
• Suitable for glucose assays, biosensors, oxidative stress models, and diagnostics
• Broad functional pH range (4–7) with optimum at pH 5.5
• Greener Alternative Product supporting improved energy efficiency and waste prevention
• Shipped on wet ice; requires −20°C storage

Applications
• Glucose determination via enzymatic GO method
• Biosensor fabrication (paper-based, microfluidic, electrochemical)
• Fuel-cell research and electrochemical systems
• Food and pharmaceutical analysis
• Oxidative stress model development using cell lines
• Diagnostic assay manufacturing

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

Notes
• May contain trace activities of amylase, maltase, glycogenase, invertase, or galactose oxidase
• Protein determined by biuret
• One unit oxidizes 1 μmol β-D-glucose/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 X-S
Specific Activity: 100,000–250,000 units/g solid (without added oxygen)
Molecular Weight: 160 kDa (dimer)
Isoelectric Point (pI): 4.2
Composition: Protein ≥65%
Greener Alternative Characteristics: Waste prevention; energy-efficient design
Sustainability Designation: Greener Alternative Product
Applications: Glucose assays; biosensors; food/pharma analysis; oxidative stress studies; fuel-cell research
Foreign Enzyme Activity: Catalase ≤5 units/mg protein
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.55 (if listed differently for this SKU; otherwise 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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