Ultrasensitive bioelectronic nose based on CMOS-compatible silicon nanowire array

Anran Gao, Yi Wang, Xun Yang, Yuelin Wang, Tie Li

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Here, we demonstrate an ultrasensitive olfactory system, namely, a bioelectronic nose (B-nose), based on CMOS-compatible silicon nanowires (SiNWs) conjugated with an odorant-binding protein (OBP). The SiNWs were low-cost and top-down fabricated with a conventional microfabrication process by using a novel controllable size-reduction process. The OBP-SiNW devices detect vapor analytes under ambient air conditions, with reversible and reproducible sensor responses. The SiNW based B-noses have shown ultrahigh sensitivity for recognizing target odorant as low as 10 ppb and high specificity for discriminating odorant with similar structure.

Original languageEnglish
Title of host publicationIEEE SENSORS 2017 - Conference Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-3
Number of pages3
ISBN (Electronic)9781509010127
DOIs
StatePublished - 21 Dec 2017
Externally publishedYes
Event16th IEEE SENSORS Conference, ICSENS 2017 - Glasgow, United Kingdom
Duration: 30 Oct 20171 Nov 2017

Publication series

NameProceedings of IEEE Sensors
Volume2017-December
ISSN (Print)1930-0395
ISSN (Electronic)2168-9229

Conference

Conference16th IEEE SENSORS Conference, ICSENS 2017
Country/TerritoryUnited Kingdom
CityGlasgow
Period30/10/171/11/17

Keywords

  • bioelectronic nose
  • odorant-binding protein(OBP)
  • silicon nanowire
  • ultrasensitive

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