Address: 45-1 Ramsey Road, Shirley, NY 11967, USA    USA: 1-631-559-9269  1-631-448-7888   Fax: 1-631-938-8127  Europe: 44-207-048-3343   Email:
Home > Products > Assay Kits > Activity Kits > Xanthine Oxidase Activity Colorimetric/Fluorometric Assay Kit

Xanthine Oxidase Activity Colorimetric/Fluorometric Assay Kit

"XO" Related Products.
Product Overview:
Simple procedure; takes ~ less than 40 minutes Fast and convenient Sensitive assays for measuring Xanthine Oxidase activity in various biological samples
100 assays
Xanthine oxidase (XO, EC ) is present in appreciable amounts in the liver and jejunum in healthy individuals. However, in various liver disorders, XO is released into circulation. Therefore, determination of serum XO level serves as a sensitive indicator of acute liver damage such as jaundice. BioVision has developed an easy and sensitive assay to determine XO in variety of samples. In the assay, XO oxidizes xanthine to hydrogen peroxide (H₂O₂) which reacts stoichiometrically with OxiRed Probe to generate color (at λ = 570 nm) and fluorescence (at Ex/Em = 535/587 nm). Since the color or fluorescence intensity is proportional to XO content, the XO activity can be accurately measured. The kit detects 1-100 mU xanthine oxidase in 100 µl reaction volume.
The kit detects 1-100 mU xanthine oxidase in 100 µl reaction volume.
Target Species:
For Research Use Only! Not For Use in Humans
Kit Components:
• XO Assay Buffer • OxiRed Probe (in DMSO)• XO Enzyme Mix • XO Substrate Mix • XO Positive Control• H₂O₂ Standard (0.88 M)
Detection method:
Absorbance (570 nm) or Fluorescence (Ex/Em 535/587 nm)
Compatible Sample Types:
Cell and Tissue culture supernatants, urine, plasma and serum, as well as many other biological fluids, growth medium, food etc.

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Optional requirements on this protein +Expand
C-fusion   N-fusion  Non-tagged
His   GST  Fc  Others
<1.0 eu/μg   <0.1 eu/μg  <0.01 eu/μg  Not required
Monomer Isolation   Dimer Isolation   Not required
>80% by SDS-PAGE   >90% by SDS-PAGE  >95% by SDS-PAGE  Others
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45-1 Ramsey Road, Shirley, NY 11967, USA
USA: 1-631-559-9269  1-631-448-7888
Europe: 44-207-048-3343
FAX: 1-631-938-8127

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