Graphene-encapsulated nanoparticle-based biosensor for the selective detection of cancer biomarkers

Sung Myung, Aniruddh Solanki, Cheoljin Kim, Jaesung Park, Kwang S. Kim, Ki Bum Lee

Research output: Contribution to journalArticlepeer-review

244 Scopus citations

Abstract

Biosensors, based on graphene-encapsulated nanoparticle arrays, for highly sensitive and selective detection of breast cancer biomarkers are successfully demonstrated. The increased surface-to-volume ratio significantly helped in lowering the detection limits (1 pM) for the target biomarkers. In addition, the highly selective nature of the biosensor is demonstrated by detecting low concentrations of the target biomarkers.

Original languageEnglish (US)
Pages (from-to)2221-2225
Number of pages5
JournalAdvanced Materials
Volume23
Issue number19
DOIs
StatePublished - May 17 2011

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Keywords

  • biosensors
  • cancer biomarkers
  • field-effect transistors
  • graphene
  • graphene oxide

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