A three-dimensional and sensitive bioassay based on nanostructured quartz combined with viral nanoparticles

  • Jong Hwan Lee*
  • , Jung Suk Kim
  • , Jin Seung Park
  • , Wonbae Lee
  • , Kyung Eun Lee
  • , Sung Sik Han
  • , Kyu Back Lee
  • , Jeewon Lee
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    Abstract

    An effective mask-free method for fabricating high-aspect-ratio pillarlike nanostructures over a large area of a quartz surface via a simple O2 and CF4 two-step reactive ion etching (RIE) procedure is developed. The nanostructured quartz surfaces are successfully combined with the engineered viral particles derived from hepatitis B virus capsid, yielding a novel 3D assay system with attomolar sensitivity, which has great potential for use in sensitive and early detection of various disease markers.

    Original languageEnglish
    Pages (from-to)2004-2009
    Number of pages6
    JournalAdvanced Functional Materials
    Volume20
    Issue number12
    DOIs
    Publication statusPublished - 2010 Jun 23

    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

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • General Chemistry
    • Condensed Matter Physics
    • General Materials Science
    • Electrochemistry
    • Biomaterials

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