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In present work, we have developed a highly sensitive biosensor to evaluate the freshness of fishes by determining their xanthine level. This is based on xanthine oxidase (XOx) immobilized on the nanocomposite platform of titanium dioxide nanoparticles and multi-walled carbon nanotubes (TiO2/MWCNT). The biosensor exhibited excellent performances like linear relation in the range from 0.5 to 500 μM,...
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