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A novel tyrosinase biosensor based on hydroxyapatite nanoparticles (nano-HA)-chitosan nanocomposite has been developed for the detection of phenolic compounds. The uniform and size controlled nano-HA was synthesized by hydrothermal method, and its morphological characterization was examined by transmission electron microscope (TEM). Tyrosinase was then immobilized on a nano-HA-chitosan nanocomposite-modified...
A phenol biosensor was developed based on the immobilization of tyrosinase on the surface of modified magnetic MgFe 2 O 4 nanoparticles. The tyrosinase was first covalently immobilized to core-shell (MgFe 2 O 4 –SiO 2 ) magnetic nanoparticles, which were modified with amino group on its surface. The resulting magnetic bio-nanoparticles were attached to the surface...
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