alexa Graphene-Based Biosensors for Nano and Pico Applications: The Future is here! | Open Access Journals
ISSN : 2153-2435
Pharmaceutica Analytica Acta
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Graphene-Based Biosensors for Nano and Pico Applications: The Future is here!

Farid Menaa*

Department of Pharmaceutical Sciences and Nano-Medicine Fluorotronics, Inc. San Diego, California, USA

*Corresponding Author:
Farid Menaa
Director, Department of Pharmaceutical Sciences and Nano-Medicine Fluorotronics
Inc. San Diego, California, USA
Tel: (+1) 858-274-2728
E-mail: [email protected]

Received date: December 04, 2013; Accepted date: December 12, 2013; Published date: December 13, 2013

Citation: Menaa F (2013) Graphene-Based Biosensors for Nano and Pico Applications: The Future is here! Pharmaceut Anal Acta. 5:e161. doi: 10.4172/2153-2435.1000e161

Copyright: © 2013 Menaa F. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Keywords

Graphene; Spectroscopy; Biosensing; Personalized medicine; Oncology

Nanotechnology and smaller scale technologies represent golden eggs for medicine and sciences [1,2]. In the recent years, graphene (G)-based biosensors, including functional graphene oxide (GO) and G hybrid nanocomposites, are increasingly explored for real-time imaging and quantification of biomolecules or cells [3]. The remarkable intrinsic and tunable properties of G and derivatives (e.g. planar structure, high surface-volume ratio, high electrical conductivity, good chemical stability and strong mechanical strength) are quite attracting to manufacture reliable, highly sensitive and ultra-fast biosensing platforms (e.g. label-free or fluorochrome-based nano-optical/ biophotonic detection systems such as FRET or CRET) [3]. A number of emerging studies have reported a combination of functional, green, cost-effective and scalable approaches to constantly improve the overall properties (e.g. sensitivity, specificity/selectivity, stability, rapidity, reproducibility) of the G component for real-time and multiplexed imaging of biomolecules (e.g. biomarkers of disease, nucleic acid alterations) or cells (e.g. cancer cells, stem cells, bacteria or viruses) [3]. G and derivatives-based biosensors, which besides can be used as nano-vehicles for drug delivery [2], are revolutionizing the disease prognosis, diagnosis and therapy [3]. The possibility to detect and characterize a single cell or very lowly expressed biomolecules makes G-derived biosensors among the most promising tools for efficient translational, integrative, regenerative and personalized medicine [3,4]. However, although the cell viability in vitro is not affected, the potential nanocytoxicity (i.e. nanocompatibility and consequences of uncontrolled nanobiogradability) in a clinical setting using humans remains unknown. Eventually, the establishment and compliance of international regulatory industrial and healthcare guidelines before commercialization and translational medicine are still requested. Owing to the possible synergic or additive effects of fluorine and graphenebased materials for efficient personalized medicine [5-7], fluorinated-G nanosystems are emerging and might overcome many limitations encountered with a number of pharmaceutical and medical applications (e.g. quantitative determination of very low concentrations of biological or chemicals; stem cells growth and differentiation; controlled tumorsite targeted drug delivery). Indeed, these G-nanosystems can be characterized and monitored by state-of-the art technologies such as carbon-fluorine spectroscopy (aka SpectroFluor™) platform [7].

Overall, the recent advances of G-based biosensors are quite important for translational, personalized, integrative, regenerative, and also green medicine. G-based biosensing is strived to a bright future, bringing new hopes for the diagnosis and prognosis of patients, while offering to the healthcare professional the possibility to use alternative therapeutic options.

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