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Graphene Oxide as an Optical Biosensing Platform : A Progress Report
Morales Narváez, Edén (Biophotonic Nanosensors Laboratory)
Merkoçi, Arben (Institut Català de Nanociència i Nanotecnologia)

Fecha: 2019
Resumen: A few years ago, crucial graphene oxide (GO) features such as the carbon/oxygen ratio, number of layers, and lateral size were scarcely investigated and, thus, their impact on the overall optical biosensing performance was almost unknown. Nowadays valuable insights about these features are well documented in the literature, whereas others remain controversial. Moreover, most of the biosensing systems based on GO were amenable to operating as colloidal suspensions. Currently, the literature reports conceptually new approaches obviating the need of GO colloidal suspensions, enabling the integration of GO onto a solid phase and leading to their application in new biosensing devices. Furthermore, most GO-based biosensing devices exploit photoluminescent signals. However, further progress is also achieved in powerful label-free optical techniques exploiting GO in biosensing, particularly using optical fibers, surface plasmon resonance, and surface enhanced Raman scattering. Herein, a critical overview on these topics is offered, highlighting the key role of the physicochemical properties of GO. New challenges and opportunities in this exciting field are also highlighted.
Nota: Número d'acord de subvenció MINECO/SEV-2013-0295
Derechos: Tots els drets reservats.
Lengua: Anglès.
Documento: article ; recerca ; acceptedVersion
Materia: 2D materials ; Bioanalytical applications ; Label-free biosensors ; Optical devices ; Physicochemical properties
Publicado en: Advanced materials, Vol. 31, Issue 6 (February 2019) , art. 1805043, ISSN 1521-4095

DOI: 10.1002/adma.201805043


Postprint
28 p, 1.9 MB

El registro aparece en las colecciones:
Documentos de investigación > Documentos de los grupos de investigación de la UAB > Centros y grupos de investigación (producción científica) > Ciencias > Institut Català de Nanociència i Nanotecnologia (ICN2)
Artículos > Artículos de investigación
Artículos > Artículos publicados

 Registro creado el 2020-02-06, última modificación el 2020-02-29



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