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Sensors 2015, 15(6), 14766-14787; doi:10.3390/s150614766

Biosensing with Förster Resonance Energy Transfer Coupling between Fluorophores and Nanocarbon Allotropes

1
Department of Mechanical Engineering, Iowa State University, 2104 Black Engineering, Ames, IA 50011, USA
2
Center for Bio/Molecular Science & Engineering Code 6900, US Naval Research Laboratory, Washington, DC 20375, USA
*
Author to whom correspondence should be addressed.
Academic Editor: W. Rudolf Seitz
Received: 19 March 2015 / Revised: 1 June 2015 / Accepted: 5 June 2015 / Published: 23 June 2015
(This article belongs to the Special Issue FRET Biosensors)
View Full-Text   |   Download PDF [2728 KB, uploaded 23 June 2015]   |  

Abstract

Nanocarbon allotropes (NCAs), including zero-dimensional carbon dots (CDs), one-dimensional carbon nanotubes (CNTs) and two-dimensional graphene, exhibit exceptional material properties, such as unique electrical/thermal conductivity, biocompatibility and high quenching efficiency, that make them well suited for both electrical/electrochemical and optical sensors/biosensors alike. In particular, these material properties have been exploited to significantly enhance the transduction of biorecognition events in fluorescence-based biosensing involving Förster resonant energy transfer (FRET). This review analyzes current advances in sensors and biosensors that utilize graphene, CNTs or CDs as the platform in optical sensors and biosensors. Widely utilized synthesis/fabrication techniques, intrinsic material properties and current research examples of such nanocarbon, FRET-based sensors/biosensors are illustrated. The future outlook and challenges for the research field are also detailed. View Full-Text
Keywords: Förster Resonance Energy Transfer (FRET); graphene; carbon nanotubes; carbon dots; carbon nanoparticles; biosensor Förster Resonance Energy Transfer (FRET); graphene; carbon nanotubes; carbon dots; carbon nanoparticles; biosensor
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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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Ding, S.; Cargill, A.A.; Das, S.R.; Medintz, I.L.; Claussen, J.C. Biosensing with Förster Resonance Energy Transfer Coupling between Fluorophores and Nanocarbon Allotropes. Sensors 2015, 15, 14766-14787.

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