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Ultra-sensitivity glucose sensor based on field emitters

  • Huibiao Liu*
  • , Xuemin Qian
  • , Shu Wang
  • , Yuliang Li
  • , Yinglin Song
  • , Daoben Zhu
  • *Corresponding author for this work
  • CAS - Institute of Chemistry
  • Soochow University

Research output: Contribution to journalArticlepeer-review

Abstract

A new glucose sensor based on field emitter of ZnO nanorod arrays (ZNA) was fabricated. This new type of ZNA field emitter-based sensor shows high sensitivity with experimental limit of detection of 1 nM glucose solution and a detection range from 1 nM to 50 μM in air at room temperature, which is lower than that of glucose sensors based on surface plasmon resonance spectroscopy, fluorescence signal transmission, and electrochemical signal transduction. The new glucose sensor provides a key technique for promising consuming application in biological system for detecting low levels of glucose on single cells or bacterial cultures.

Original languageEnglish
Pages (from-to)1141-1145
Number of pages5
JournalNanoscale Research Letters
Volume4
Issue number10
DOIs
StatePublished - Sep 2009
Externally publishedYes

Keywords

  • Field emitter
  • Glucose sensor
  • High sensitivity
  • ZnO nanorod arrays

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