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Proceedings Paper

Terahertz devices, spectroscopy, and signal processing for biosensing
Author(s): Brianna Smiley; Amanda Marotto; Soner Balci; Seung Jo Park; M. Zeki Güngördü; Alex Maleski; A. Shahab Mollah; Elizabath Philip; Patrick Kung; Yonghyun Kim; Seongsin M. Kim
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Paper Abstract

Sub-wavelength metamaterial structures are of great fundamental and practical interest because of their ability to manipulate the propagation of electromagnetic waves. Here we investigate the metamaterials composed of titanium and copper split-ring resonators for use in detection of living cells. Terahertz spectroscopy was utilized to detect a change in resonance frequencies of the bio-sensor in the presence of MDA-MB-231 breast cancer cells in culture in real time. The shift in frequency showed dependency upon cell density. We applied circuit model to interpret the resonance peak shift observed, and not only do we see shifts in resonance frequency but also in capacitance and resistance as time progresses.

Paper Details

Date Published: 26 September 2016
PDF: 7 pages
Proc. SPIE 9934, Terahertz Emitters, Receivers, and Applications VII, 99340S (26 September 2016); doi: 10.1117/12.2238396
Show Author Affiliations
Brianna Smiley, The Univ. of Alabama (United States)
Amanda Marotto, The Univ. of Alabama (United States)
Soner Balci, The Univ. of Alabama (United States)
Seung Jo Park, The Univ. of Alabama (United States)
M. Zeki Güngördü, The Univ. of Alabama (United States)
Alex Maleski, The Univ. of Alabama (United States)
A. Shahab Mollah, The Univ. of Alabama (United States)
Elizabath Philip, The Univ. of Alabama (United States)
Patrick Kung, The Univ. of Alabama (United States)
Yonghyun Kim, The Univ. of Alabama (United States)
Seongsin M. Kim, The Univ. of Alabama (United States)


Published in SPIE Proceedings Vol. 9934:
Terahertz Emitters, Receivers, and Applications VII
Manijeh Razeghi; Alexei N. Baranov; John M. Zavada; Dimitris Pavlidis, Editor(s)

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