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Sensors 2017, 17(10), 2161; doi:10.3390/s17102161

Graphene-Based Materials for Biosensors: A Review

Faculty of Biomedical Engineering, Rangsit University, Pathum Thani 12000, Thailand
Author to whom correspondence should be addressed.
Received: 11 July 2017 / Revised: 12 September 2017 / Accepted: 16 September 2017 / Published: 21 September 2017
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The advantages conferred by the physical, optical and electrochemical properties of graphene-based nanomaterials have contributed to the current variety of ultrasensitive and selective biosensor devices. In this review, we present the points of view on the intrinsic properties of graphene and its surface engineering concerned with the transduction mechanisms in biosensing applications. We explain practical synthesis techniques along with prospective properties of the graphene-based materials, which include the pristine graphene and functionalized graphene (i.e., graphene oxide (GO), reduced graphene oxide (RGO) and graphene quantum dot (GQD). The biosensing mechanisms based on the utilization of the charge interactions with biomolecules and/or nanoparticle interactions and sensing platforms are also discussed, and the importance of surface functionalization in recent up-to-date biosensors for biological and medical applications. View Full-Text
Keywords: graphene; functionalized graphene; biosensor devices; instrumentation; surface plasmon resonance; field-effect transistor; electrochemical; bioimaging graphene; functionalized graphene; biosensor devices; instrumentation; surface plasmon resonance; field-effect transistor; electrochemical; bioimaging

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Suvarnaphaet, P.; Pechprasarn, S. Graphene-Based Materials for Biosensors: A Review. Sensors 2017, 17, 2161.

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