Multifunctional glucose biosensors from Fe3O4 nanoparticles modified chitosan/graphene nanocomposites

  title={Multifunctional glucose biosensors from Fe3O4 nanoparticles modified chitosan/graphene nanocomposites},
  author={Wenjing Zhang and Xiaojian Li and Ruitao Zou and Huizi Wu and Haiyan Shi and Shanshan Yu and Yong Liu},
  booktitle={Scientific reports},
Novel water-dispersible and biocompatible chitosan-functionalized graphene (CG) has been prepared by a one-step ball milling of carboxylic chitosan and graphite. Presence of nitrogen (from chitosan) at the surface of graphene enables the CG to be an outstanding catalyst for the electrochemical biosensors. The resulting CG shows lower ID/IG ratio in the Raman spectrum than other nitrogen-containing graphene prepared using different techniques. Magnetic Fe3O4 nanoparticles (MNP) are further… CONTINUE READING
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