Covalent immobilization of Lepidium draba peroxidase on chitosan-coated magnetic nanoparticles and its application in glucose biosensing

Key Points

• Successfully developed a glucose biosensor using peroxidase immobilized on magnetic nanoparticles.
• The sensor showed a detection limit of 0.5 mM glucose and a fast response time of 5 seconds.
• Analysis involved covalent immobilization strategies to enhance enzyme stability on chitosan-coated surfaces.
• This method highlights the potential for innovative biosensing applications in healthcare and food safety.