Aluminum nanoholes for optical biosensing

Angulo Barrios, Carlos; Canalejas Tejero, Victor; Herranz, Sonia; Urraca, Javier; Moreno Bondi, María Cruz; Avella Oliver, Miquel; Maquieira, Ángel y Puchades, Rosa (2015). Aluminum nanoholes for optical biosensing. "Biosensors", v. 5 (n. 3); pp. 417-431. ISSN 0265-928X.


Título: Aluminum nanoholes for optical biosensing
  • Angulo Barrios, Carlos
  • Canalejas Tejero, Victor
  • Herranz, Sonia
  • Urraca, Javier
  • Moreno Bondi, María Cruz
  • Avella Oliver, Miquel
  • Maquieira, Ángel
  • Puchades, Rosa
Tipo de Documento: Artículo
Título de Revista/Publicación: Biosensors
Fecha: 2015
Volumen: 5
Palabras Clave Informales: Aluminum; metal nanoholes; nanohole arrays; surface plasmon resonance; optical biosensing; nanopatterning; transfer printing; molecularly imprinted polymer; photopolymerization
Escuela: Instituto de Sistemas Optoelectrónicos y Microtecnología (ISOM) (UPM)
Departamento: Tecnología Fotónica y Bioingeniería
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Sub-wavelength diameter holes in thin metal layers can exhibit remarkable optical features that make them highly suitable for (bio)sensing applications. Either as efficient light scattering centers for surface plasmon excitation or metal-clad optical waveguides, they are able to form strongly localized optical fields that can effectively interact with biomolecules and/or nanoparticles on the nanoscale. As the metal of choice, aluminum exhibits good optical and electrical properties, is easy to manufacture and process and, unlike gold and silver, its low cost makes it very promising for commercial applications. However, aluminum has been scarcely used for biosensing purposes due to corrosion and pitting issues. In this short review, we show our recent achievements on aluminum nanohole platforms for (bio)sensing. These include a method to circumvent aluminum degradation—which has been successfully applied to the demonstration of aluminum nanohole array (NHA) immunosensors based on both, glass and polycarbonate compact discs supports—the use of aluminum nanoholes operating as optical waveguides for synthesizing submicron-sized molecularly imprinted polymers by local photopolymerization, and a technique for fabricating transferable aluminum NHAs onto flexible pressure-sensitive adhesive tapes, which could facilitate the development of a wearable technology based on aluminum NHAs.

Proyectos asociados

Gobierno de EspañaTEC2012-31145Sin especificarSin especificarSin especificar
Gobierno de EspañaCTQ2012-37573-C02Sin especificarSin especificarSin especificar
Gobierno de EspañaCTQ 2013-45875-RSin especificarSin especificarSin especificar

Más información

ID de Registro: 40698
Identificador DC:
Identificador OAI:
Identificador DOI: 10.3390/bios5030417
URL Oficial:
Depositado por: Memoria Investigacion
Depositado el: 05 Sep 2016 16:15
Ultima Modificación: 05 Sep 2016 16:15
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