biovisionK710-100xanthine oxidase activity assay kit, xanthine oxidase activity kit, xanthine oxidase assay kit, xanthine oxidase kit, measure xanthine oxidase activity, quantitate xanthine oxidase activity, assay xanthine oxidase activity, xanthine oxidase activity, xo activity assay kit, xo activity kit, xo assay kit, xo kit, measure xo activity, quantitate xo activity, assay xo activity, xo activity, xanthine oxidase, xo, xanthine oxidase activity colorimetric assay kit, xanthine oxidase activity fluorometric assay kit, xanthine oxidase activity colorimetric/fluorometric assay kit, xo activity fluorometric assay kit, xo activity colorimetric/fluorometric assay kit, xo activity colorimetric assay kit? Detection method-Absorbance (570 nm) or Fluorescence (Ex/Em 535/587 nm) ? Species reactivity- Mammalian ? Applications- The kit detects 1-100 mU xanthine oxidase in 100 μl reaction volume. Cell and tissue culture supernatants, urine, plasma and serum, as well as many other biological fluids, growth medium, food, etc.