Graphene Optical Biosensors

Graphene shows great potential in biosensing owing to its extraordinary optical, electrical and physical properties. In particular, graphene possesses unique optical properties, such as broadband and tunable absorption, and strong polarization-dependent effects. This lays a foundation for building g...

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Main Authors: Zongwen Li, Wenfei Zhang, Fei Xing
Format: Article
Language:English
Published: MDPI AG 2019-05-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/20/10/2461
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author Zongwen Li
Wenfei Zhang
Fei Xing
author_facet Zongwen Li
Wenfei Zhang
Fei Xing
author_sort Zongwen Li
collection DOAJ
description Graphene shows great potential in biosensing owing to its extraordinary optical, electrical and physical properties. In particular, graphene possesses unique optical properties, such as broadband and tunable absorption, and strong polarization-dependent effects. This lays a foundation for building graphene-based optical sensors. This paper selectively reviews recent advances in graphene-based optical sensors and biosensors. Graphene-based optical biosensors can be used for single cell detection, cell line, and anticancer drug detection, protein and antigen−antibody detection. These new high-performance graphene-based optical sensors are able to detect surface structural changes and biomolecular interactions. In all these cases, the optical biosensors perform well with ultra-fast detection, high sensitivities, unmarked, and are able to respond in real time. The future of the field of graphene applications is also discussed.
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spelling doaj.art-fe86499f419a44c595fe0ea5c5246c0e2022-12-22T03:54:07ZengMDPI AGInternational Journal of Molecular Sciences1422-00672019-05-012010246110.3390/ijms20102461ijms20102461Graphene Optical BiosensorsZongwen Li0Wenfei Zhang1Fei Xing2School of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255049, ChinaSchool of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255049, ChinaSchool of Physics and Optoelectronic Engineering, Shandong University of Technology, Zibo 255049, ChinaGraphene shows great potential in biosensing owing to its extraordinary optical, electrical and physical properties. In particular, graphene possesses unique optical properties, such as broadband and tunable absorption, and strong polarization-dependent effects. This lays a foundation for building graphene-based optical sensors. This paper selectively reviews recent advances in graphene-based optical sensors and biosensors. Graphene-based optical biosensors can be used for single cell detection, cell line, and anticancer drug detection, protein and antigen−antibody detection. These new high-performance graphene-based optical sensors are able to detect surface structural changes and biomolecular interactions. In all these cases, the optical biosensors perform well with ultra-fast detection, high sensitivities, unmarked, and are able to respond in real time. The future of the field of graphene applications is also discussed.https://www.mdpi.com/1422-0067/20/10/2461Grapheneopticalsurface wavebiosensors
spellingShingle Zongwen Li
Wenfei Zhang
Fei Xing
Graphene Optical Biosensors
International Journal of Molecular Sciences
Graphene
optical
surface wave
biosensors
title Graphene Optical Biosensors
title_full Graphene Optical Biosensors
title_fullStr Graphene Optical Biosensors
title_full_unstemmed Graphene Optical Biosensors
title_short Graphene Optical Biosensors
title_sort graphene optical biosensors
topic Graphene
optical
surface wave
biosensors
url https://www.mdpi.com/1422-0067/20/10/2461
work_keys_str_mv AT zongwenli grapheneopticalbiosensors
AT wenfeizhang grapheneopticalbiosensors
AT feixing grapheneopticalbiosensors