Graphene Biosensors—A Molecular Approach

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Abstract

Graphene is the material elected to study molecules and monolayers at the molecular scale due to its chemical stability and electrical properties. The invention of scanning tunneling microscopy has deepened our knowledge on molecular systems through imaging at an atomic resolution, and new possibilities have been investigated at this scale. Interest on studies on biomolecules has been demonstrated due to the possibility of mimicking biological systems, providing several applications in nanomedicine: drug delivery systems, biosensors, nanostructured scaffolds, and biodevices. A breakthrough came with the synthesis of molecular systems by stepwise methods with control at the atomic/molecular level. This article presents a review on self-assembled monolayers of biomolecules on top of graphite with applications in biodevices. Special attention is given to porphyrin systems adsorbed on top of graphite that are able to anchor other biomolecules.

Original languageEnglish
Article number1624
JournalNanomaterials
Volume12
Issue number10
DOIs
Publication statusPublished - 1 May 2022

Keywords

  • biodevices
  • biomolecules
  • graphene
  • graphene-oxide
  • nanomedicine
  • self-assembly

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