Detecting molecules using a surface impedance imaging technique

Kyle J. Foley; Xiaonan Shan; Nongjian Tao

doi:10.1109/LISSA.2009.4906733

Detecting molecules using a surface impedance imaging technique

Kyle J. Foley, Xiaonan Shan, Nongjian Tao

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

We demonstrate here a surface impedance imaging technique based on the local surface charge density influencing the surface plasmon resonance (SPR) measurement. Three images are captured of the entire surface: a DC steady-state image, an AC intensity image and an AC phase image. The DC image gives the standard SPR information on thickness. The AC intensity and phase images display information related to the surface impedance. This allows for the surface charge modulation created by the electrochemical potential modulation to be imaged optically.

Original language	English (US)
Title of host publication	2009 IEEE/NIH Life Science Systems and Applications Workshop, LiSSA 2009
Pages	156-158
Number of pages	3
DOIs	https://doi.org/10.1109/LISSA.2009.4906733
State	Published - Jul 23 2009
Event	2009 IEEE/NIH Life Science Systems and Applications Workshop, LiSSA 2009 - Bethesda, MD, United States Duration: Apr 9 2009 → Apr 10 2009

Publication series

Name	2009 IEEE/NIH Life Science Systems and Applications Workshop, LiSSA 2009

Other

Other	2009 IEEE/NIH Life Science Systems and Applications Workshop, LiSSA 2009
Country/Territory	United States
City	Bethesda, MD
Period	4/9/09 → 4/10/09

ASJC Scopus subject areas

Computational Theory and Mathematics
Biomedical Engineering
Electrical and Electronic Engineering

Access to Document

10.1109/LISSA.2009.4906733

Cite this

Detecting molecules using a surface impedance imaging technique. / Foley, Kyle J.; Shan, Xiaonan; Tao, Nongjian.
2009 IEEE/NIH Life Science Systems and Applications Workshop, LiSSA 2009. 2009. p. 156-158 4906733 (2009 IEEE/NIH Life Science Systems and Applications Workshop, LiSSA 2009).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Foley, KJ, Shan, X & Tao, N 2009, Detecting molecules using a surface impedance imaging technique. in 2009 IEEE/NIH Life Science Systems and Applications Workshop, LiSSA 2009., 4906733, 2009 IEEE/NIH Life Science Systems and Applications Workshop, LiSSA 2009, pp. 156-158, 2009 IEEE/NIH Life Science Systems and Applications Workshop, LiSSA 2009, Bethesda, MD, United States, 4/9/09. https://doi.org/10.1109/LISSA.2009.4906733

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AB - We demonstrate here a surface impedance imaging technique based on the local surface charge density influencing the surface plasmon resonance (SPR) measurement. Three images are captured of the entire surface: a DC steady-state image, an AC intensity image and an AC phase image. The DC image gives the standard SPR information on thickness. The AC intensity and phase images display information related to the surface impedance. This allows for the surface charge modulation created by the electrochemical potential modulation to be imaged optically.

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T3 - 2009 IEEE/NIH Life Science Systems and Applications Workshop, LiSSA 2009

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Y2 - 9 April 2009 through 10 April 2009

ER -

Detecting molecules using a surface impedance imaging technique

Abstract

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ASJC Scopus subject areas

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