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Hepatitis B plasmonic biosensor for the analysis of clinical serum samples

  • Thomás Riedel
  • , Franti´Sek Surman
  • , Simone Hageneder
  • , Ognen Pop-Georgievski
  • , Christa Nöhammer
  • , Manuela Hofner
  • , Eduard Brynda
  • , Cesar Rodriquez-Emmenegger
  • , Jakub Dostalek

Research output: Contribution to journalArticlepeer-review

Abstract

A plasmonic biosensor for rapid detection of protein biomarkers in complex media is reported. Clinical serum samples were analyzed by using a novel biointerface architecture based on poly[(N-(2-hydroxypropyl) methacrylamide)-co-(carboxybetaine methacrylamide)] brushes functionalized with bioreceptors. This biointerface provided an excellent resistance to fouling even after the functionalization and allowed for the first time the direct detection of antibodies against hepatitis B surface antigen (anti-HBs) in clinical serum samples using surface plasmon resonance (SPR). The fabricated SPR biosensor allowed discrimination of anti-HBs positive and negative clinical samples in 10 min. Results are validated by enzyme-linked immunoassays of the sera in a certified laboratory. The sensor could be regenerated by simple treatment with glycine buffer.
Original languageEnglish
Number of pages5
JournalBiosensors & Bioelectronics
Volume85
Issue number85
DOIs
Publication statusPublished - 2016

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Research Field

  • Biosensor Technologies

Keywords

  • Surface plasmon resonance Biosensors
  • Polymer brushes
  • Antifouling

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