Article

Plasmonics

, Volume 9, Issue 3, pp 645-649

Aluminum Nanohole Arrays Fabricated on Polycarbonate for Compact Disc-Based Label-Free Optical Biosensing

  • C. A. BarriosAffiliated withInstituto de Sistemas Optoelectrónicos y Microtecnología (ISOM), ETSI Telecomunicación, Universidad Politécnica de Madrid Email author 
  • , V. Canalejas-TejeroAffiliated withInstituto de Sistemas Optoelectrónicos y Microtecnología (ISOM), ETSI Telecomunicación, Universidad Politécnica de Madrid
  • , S. HerranzAffiliated withChemical Optosensors and Applied Photochemistry Group (GSOLFA), Department of Analytical Chemistry, Faculty of Chemistry, Universidad Complutense
  • , M. C. Moreno-BondiAffiliated withChemical Optosensors and Applied Photochemistry Group (GSOLFA), Department of Analytical Chemistry, Faculty of Chemistry, Universidad Complutense
  • , M. Avella-OliverAffiliated withIDM Departamento de Química, Universitat Politècnica de València
  • , R. PuchadesAffiliated withIDM Departamento de Química, Universitat Politècnica de València
  • , A. MaquieiraAffiliated withIDM Departamento de Química, Universitat Politècnica de València

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Abstract

Al nanohole array plasmonic biosensors have been fabricated on polycarbonate (PC) substrates from conventional compact discs (CD). Standard micro and nanofabrication processes have been used and optimized to be PC compatible. The viability of this CD-based plasmonic platform for label-free optical biosensing has been demonstrated through a competitive bioassay for biotin analysis using biotin-functionalized dextran-lipase conjugates immobilized on the transducer surface.

Keywords

Surface plasmon Optical biosensor Nanofabrication Aluminum Polycarbonate